| Classifications | Code | Applications | Subscribe |
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| Persulphonic acids or salts thereof (i.e., compounds having the -S(=O)(=O) O-OH group, wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) | 562/001000 | 0 | |
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| Percarboxylic acids or salts thereof (i.e., compounds having the -C(=O)-O OH group, wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) | 562/002000 | 0 | |
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| With preservative or stabilizer | 562/003000 | 0 | |
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| Formation of the -C(=O)-O-OH group, or of a salt thereof (e.g., from acid halides or anhydrides, neutralization; etc) | 562/004000 | 0 | |
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| Aldehyde or percarboxylic acid ester reactant | 562/005000 | 0 | |
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| Carboxylic acid or carboxylic acid salt reactant | 562/006000 | 0 | |
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| Boron acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to boron by nonionic bonding and wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) | 562/007000 | 0 | |
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| Phosphorus acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to phosphorus by nonionic bonding and wherein the hydrogen may be replaced by a substituted or unsubstituted ammonium or by a group IA or IIA light metal) | 562/008000 | 0 | |
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| Sulfur attached directly to the phosphorus by nonionic bonding | 562/009000 | 0 | |
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| Nitrogen attached directly to the phosphorus by nonionic bonding | 562/010000 | 0 | |
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| Nitrogen attached indirectly to the phosphorus by nonionic bonding | 562/011000 | 0 | |
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| Plural phosphori attached indirectly to each other by nonionic bonding | 562/012000 | 0 | |
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| Plural phosphori bonded directly to the same carbon | 562/013000 | 0 | |
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| Additional nitrogen attached indirectly to the phosphorus by nonionic bonding | 562/014000 | 0 | |
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| The nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen | 562/015000 | 0 | |
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| The nitrogen and the phosphorus are bonded directly to the same carbon | 562/016000 | 0 | |
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| The nitrogen is bonded to an additional acyclic carbon or acyclic carbon chain, to which a -C(=X)X- group is bonded directly, wherein the X's are the same or diverse chalcogen | 562/017000 | 0 | |
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| Preparing from a compound having a nitrogen containing hetero ring | 562/018000 | 0 | |
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| The phosphorus is in a ring | 562/019000 | 0 | |
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| Plural phosphori attached indirectly to each other by nonionic bonding | 562/020000 | 0 | |
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| Plural phosphori bonded directly to the same carbon | 562/021000 | 0 | |
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| Processes | 562/022000 | 0 | |
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| Chalcogen attached indirectly to the phosphorus by nonionic bonding | 562/023000 | 0 | |
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| The chalcogen is in a -C(=X)- group | 562/024000 | 0 | |
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| Halogen attached indirectly to the phosphorus by nonionic bonding | 562/025000 | 0 | |
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| Thiocarboxylic acids or salts thereof (i.e., compounds having the group -C(=X)XH, wherein the X's are the same or diverse chalcogens and at least one X is sulfur, and hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) | 562/026000 | 0 | |
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| Nitrogen bonded directly to the carbon of the -C(=X)XH group or of its salt (e.g., dithiocarbamic acids, etc.) | 562/027000 | 0 | |
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| Processes utilizing carbon disulfide | 562/028000 | 0 | |
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| Thiosulfonic acids or salts thereof (i.e., compounds containing the thiosulfonate group, -S(=O)(=O)-S-, wherein the divalent sulfur is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium) | 562/029000 | 0 | |
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| Sulfonic acids or salts thereof (i.e., compounds containing the sulfonate group, -S(=O)(=O)-O- wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium) | 562/030000 | 0 | |
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| Hydrophenanthrene ring system containing | 562/031000 | 0 | |
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| Processes of sulfonating lignites, leonardites, coal, humic acids, bark or pitch, and the reaction products thereof | 562/032000 | 0 | |
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| Petroleum sulfonic acids | 562/033000 | 0 | |
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| Addition salts having organic nitrogen containing cation | 562/034000 | 0 | |
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| Boron or phosphorus attached indirectly to the sulfonate group by nonionic bonding (e.g., phosphonium salts, etc.) | 562/035000 | 0 | |
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| Chalcogen or -C(=X)-, wherein X is chalcogen, attached directly to the sulfonate sulfur by nonionic bonding | 562/036000 | 0 | |
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| Nitrogen attached directly to the sulfonate sulfur by nonionic bonding (e.g., sulfamic acids, etc.) | 562/037000 | 0 | |
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| Processes utilizing an inorganic sulfamic acid, or a salt thereof | 562/038000 | 0 | |
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| Processes of forming the -NH-S(=O)(O=)-O- group, wherein substitution may be made for hydrogen only | 562/039000 | 0 | |
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| Additional salts having organic nitrogen containing cation | 562/040000 | 0 | |
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| Benzene ring attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/041000 | 0 | |
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| Noncarbon atom in acyclic chain between the benzene ring and the sulfonate sulfur | 562/042000 | 0 | |
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| Nitrogen in the acyclic chain | 562/043000 | 0 | |
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| Chalcogen or -C(=X)-, wherein X is chalcogen, in the chain | 562/044000 | 0 | |
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| Benzene ring bonded directly to the sulfonate sulfur (e.g., purification and neutralization of benzene sulfonic acids, etc.) | 562/045000 | 0 | |
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| Having -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate group by nonionic bonding (e.g., aldehydes, etc.) | 562/046000 | 0 | |
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| Chalcogen or nitrogen bonded directly to the -C(=X)- group | 562/047000 | 0 | |
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| Benzene ring bonded directly to each nitrogen of a -NH-C(=X)-NH-group, wherein X is chalcogen and substitution may be made for hydrogen only | 562/048000 | 0 | |
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| At least one of the benzene rings is part of a naphthalene ring system | 562/049000 | 0 | |
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| Plural naphthalene ring systems attached indirectly to the -NHC(=X)NH- group by nonionic bonding | 562/050000 | 0 | |
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| Stilbene containing | 562/051000 | 0 | |
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| Plural -C(=X)- groups attached indirectly to the sulfonate group by nonionic bonding | 562/052000 | 0 | |
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| Plural carbons bonded directly to -C(=X)- | 562/053000 | 0 | |
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| Plural -C(=X)- groups bonded directly to the same benzene ring | 562/054000 | 0 | |
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| Acyclic carbon bonded directly to the -C(=X)- group | 562/055000 | 0 | |
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| The -C(=X)- is part of a -C(=X)X- group, wherein the X's may be the same or diverse chalcogens | 562/056000 | 0 | |
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| Nitrogen attached indirectly to the sulfonate group by nonionic bonding | 562/057000 | 0 | |
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| Nitrogen attached indirectly to the sulfonate group by nonionic bonding | 562/058000 | 0 | |
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| Plural benzene rings bonded directly to each other or to the same acyclic carbon | 562/059000 | 0 | |
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| Stilbene containing | 562/060000 | 0 | |
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| Plural benzene rings bonded directly to the same nitrogen | 562/061000 | 0 | |
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| Plural nitrogens each bonded to two benzene rings (e.g., phenylaminophenylaminophenyl compounds, etc.) | 562/062000 | 0 | |
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| At least one of the benene rings is part of a naphthalene ring system | 562/063000 | 0 | |
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| Oxygen bonded directly to a benzene ring | 562/064000 | 0 | |
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| Sulfonyl bonded directly to the nitrogen | 562/065000 | 0 | |
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| The nitrogen is attached indirectly to a benzene ring by acyclic nonionic bonding | 562/066000 | 0 | |
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| Additional nitrogen attached indirectly to the sulfonate group by nonionic bonding | 562/067000 | 0 | |
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| Polycyclo ring system consisting of benzene rings bonded directly to the sulfonate group | 562/068000 | 0 | |
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| Nitro or nitroso bonded directly to the polycyclo ring system | 562/069000 | 0 | |
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| Oxygen bonded directly to the polycyclo ring system (e.g., aminonaphthol sulfonic acid, etc.) | 562/070000 | 0 | |
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| Additional sulfonate group bonded directly to the polycyclo ring system (e.g., H acid, etc.) | 562/071000 | 0 | |
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| Halogen, plural nitrogens, or additional sulfonate group bonded directly to the polycyclo ring system | 562/072000 | 0 | |
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| Nitro or halogen bonded directly to a benzene ring | 562/073000 | 0 | |
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| Nonsulfonate chalcogen attached indirectly to the sulfonate group by nonionic bonding | 562/074000 | 0 | |
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| Two benzene rings bonded to the nonsulfonate chalcogen (e.g., phenoxyphenyl compounds, etc.) | 562/075000 | 0 | |
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| Plural carbons bonded directly to the nonsulfonate chalcogen (e.g., ethers, sulfones, etc.) | 562/076000 | 0 | |
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| Hydroxy group or nonsulfonate sulfur attached indirectly to a benzene ring by acyclic nonionic bonding | 562/077000 | 0 | |
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| Halogen attached indirectly to the sulfonate group by nonionic bonding | 562/078000 | 0 | |
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| The sulfonate group and oxygen are bonded directly to the same polycyclo ring system which consists of benzene rings | 562/079000 | 0 | |
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| Additional sulfonate group bonded directly to the polycyclo ring system | 562/080000 | 0 | |
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| Plural oxygens bonded directly to the same benzene ring | 562/081000 | 0 | |
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| The sulfonate group, oxygen, and alkyl of at least 4 carbons are bonded directly to the same benzene ring | 562/082000 | 0 | |
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| Halogen attached indirectly to the sulfonate group by nonionic bonding | 562/083000 | 0 | |
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| Addition salts having organic nitrogen containing cation | 562/084000 | 0 | |
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| Having -C(=X)-, wherein X is chalcogen, in the cation | 562/085000 | 0 | |
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| Nitrogen double bonded to carbon in the cation (e.g., guanidinium salts, etc.) | 562/086000 | 0 | |
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| Acyclic carbon to carbon unsaturation containing | 562/087000 | 0 | |
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| Plural benzene rings bonded directly to each other, or to the same acyclic carbon or acyclic carbon chain | 562/088000 | 0 | |
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| Polycyclo ring system consisting of benzene rings bonded directly to the sulfonate group | 562/089000 | 0 | |
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| Processes of sulfonating naphthalene per se or alkyl substituted naphthalene | 562/090000 | 0 | |
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| Sulfonate group and alkyl group of at least four carbons bonded directly to the same benzene ring | 562/091000 | 0 | |
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| With preservative, stabilizer, or color or odor affecting additive | 562/092000 | 0 | |
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| Processes including alkylation of a benzene ring, and the products thereof | 562/093000 | 0 | |
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| The alkylating agent is an olefin | 562/094000 | 0 | |
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| Sulfonation processes | 562/095000 | 0 | |
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| Purification or recovery | 562/096000 | 0 | |
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| Neutralization or acidification | 562/097000 | 0 | |
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| Sulfonation utilizing sulfur trioxide or oleum (e.g., sulfonation of benzene or toluene with oleum, etc.) | 562/098000 | 0 | |
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| Sulfonation utilizing sulfuric acid (e.g., sulfonation of benzene or toluene with sulfuric acid, etc.) | 562/099000 | 0 | |
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| Polycyclo alicyclic ring system attached directly or indirectly to the sulfonate group by nonionic bonding | 562/100000 | 0 | |
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| Plural sulfonate groups attached indirectly to each other by acyclic nonionic bonding | 562/101000 | 0 | |
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| Nitrogen or -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate groups by nonionic bonding | 562/102000 | 0 | |
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| Plural nonsulfonate chalcogens attached indirectly to the sulfonate groups by nonionic bonding | 562/103000 | 0 | |
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| Nitrogen attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/104000 | 0 | |
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| Having -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/105000 | 0 | |
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| Plural nitrogens or plural -C(=X)- groups, wherein X is chalcogen, attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/106000 | 0 | |
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| Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/107000 | 0 | |
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| Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/108000 | 0 | |
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| The chalcogen, X, is in a -C(=X)- group | 562/109000 | 0 | |
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| Plural chalcogens attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/110000 | 0 | |
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| Plural carbons bonded directly to the chalcogen (e.g., ethers, etc.) | 562/111000 | 0 | |
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| Addition salts having organic nitrogen containing cation | 562/112000 | 0 | |
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| Halogen attached indirectly to the sulfonate group by acyclic nonionic bonding | 562/113000 | 1 | |
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| Addition salts having organic nitrogen containing cation | 562/114000 | 0 | |
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| Processes (e.g., neutralization, stabilization, etc.) | 562/115000 | 0 | |
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| Decarboxylation, hydrogenation or formation of carbon-to-carbon unsaturation | 562/116000 | 0 | |
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| Conversion of sulfur containing hetero ring compounds to sulfonic acids | 562/117000 | 0 | |
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| Oxidation of organic sulfur compounds to sulfonic acids | 562/118000 | 0 | |
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| Hydrolysis of sulfonyl halides | 562/119000 | 0 | |
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| Formation of sulfonic acids or sulfonic acid salts utilizing inorganic sulfonating agents (e.g., reaction of alcohols or alkyl halides with sulfurous acid, etc.) | 562/120000 | 0 | |
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| Utilizing sulfur dioxide and oxygen (i.e., sulfoxidation) | 562/121000 | 0 | |
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| Sulfurous acid or salt thereof reacted with unsaturated hydrocarbon | 562/122000 | 0 | |
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| Utilizing sulfur trioxide, oleum, sulfuric acid or halosulfonic acid | 562/123000 | 0 | |
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| Purification or recovery | 562/124000 | 0 | |
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| Sulfinic or sulfenic acids or salts thereof (i.e., compounds containing the sulfinate group, -S(=O)O-, or the sulfenate group, -S-O-, wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or group IIA light metal or to substituted or unsubstituted ammonium) | 562/125000 | 0 | |
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| Nitrogen attached indirectly to a sulfinate group by acyclic nonionic bonding | 562/126000 | 0 | |
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| Carboxylic acids and salts thereof | 562/400000 | 0 | |
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| Racemization or separation of optical isomers | 562/401000 | 0 | |
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| Physical resolution | 562/402000 | 0 | |
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| Hydrophenanthrene nucleus | 562/403000 | 0 | |
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| 1,4a-dimethyl hydrophenanthrene-1 carboxylic acids or salts thereof | 562/404000 | 0 | |
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| Aromatic | 562/405000 | 0 | |
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| Preparation by carbonylation | 562/406000 | 0 | |
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| Formation of carboxyl group by oxidation | 562/407000 | 0 | |
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| Of aromatic compound | 562/408000 | 0 | |
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| Alkyl side chain oxidized | 562/409000 | 0 | |
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| Nitrogen containing oxidant | 562/410000 | 0 | |
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| Sulfur containing oxidant | 562/411000 | 0 | |
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| Air, oxygen, or ozone oxidant | 562/412000 | 0 | |
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| Multistage | 562/413000 | 0 | |
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| With recycle or recovery of reaction component | 562/414000 | 0 | |
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| Gas phase | 562/415000 | 0 | |
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| Halogen containing catalyst, initiator, or promoter utilized | 562/416000 | 0 | |
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| Initiator or promoter used with catalyst | 562/417000 | 0 | |
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| Of oxy or carbonyl containing compound | 562/418000 | 0 | |
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| Hypohalite as oxidant | 562/419000 | 0 | |
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| Nitrogen containing oxidant | 562/420000 | 0 | |
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| Air, oxygen, or ozone oxidant | 562/421000 | 0 | |
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| Of halo alkyl containing compound | 562/422000 | 0 | |
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| Preparation by carbonation | 562/423000 | 0 | |
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| Of alkali metal phenolates | 562/424000 | 0 | |
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| Having plural rings | 562/425000 | 0 | |
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| Sulfur | 562/426000 | 0 | |
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| Polycyclo ring system | 562/427000 | 0 | |
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| Indenyl or hydrindenyl | 562/428000 | 0 | |
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| Sulfoxy | 562/429000 | 0 | |
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| Nitrogen | 562/430000 | 0 | |
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| Carboxyl, or salt thereof, in side chain having sulfur bonded directly to a ring | 562/431000 | 0 | |
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| Carboxyl, or salt thereof, bonded directly to a ring | 562/432000 | 0 | |
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| Nitrogen bonded directly to carbon of organic radical (e.g., amino acids, etc.) | 562/433000 | 0 | |
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| Nitro or nitroso | 562/434000 | 0 | |
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| Plural rings | 562/435000 | 0 | |
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| Plural rings bonded directly to the same carbonyl | 562/436000 | 0 | |
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| Plural nitrogens | 562/437000 | 0 | |
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| Halogen | 562/438000 | 0 | |
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| Ureido, guanido, or hydrazine | 562/439000 | 0 | |
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| Nitrogen double bonded directly to carbon (e.g., amidine, ketimine, etc.) | 562/440000 | 0 | |
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| Plural rings bonded directly to the same carbon | 562/441000 | 0 | |
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| Nitrogen not bonded directly to a ring | 562/442000 | 0 | |
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| In same chain as carboxyl, or salt thereof | 562/443000 | 0 | |
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| Oxy | 562/444000 | 0 | |
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| Phenyl alanines | 562/445000 | 0 | |
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| Di-oxy phenyl alanines | 562/446000 | 0 | |
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| Phenoxphenyl alanines | 562/447000 | 0 | |
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| Plural nitrogens | 562/448000 | 0 | |
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| Halogen | 562/449000 | 0 | |
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| Amide | 562/450000 | 0 | |
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| Oxy | 562/451000 | 0 | |
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| Oxy | 562/452000 | 0 | |
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| Carboxyl, or salt thereof, nitrogen and oxygen all bonded directly to the same benzene ring | 562/453000 | 0 | |
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| Aryl-N-Aryl | 562/454000 | 0 | |
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| Amide | 562/455000 | 0 | |
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| Halogen | 562/456000 | 0 | |
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| Plural rings with nitrogen bonded directly to at least one ring | 562/457000 | 0 | |
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| Carboxyl, or salt thereof, bonded directly to a ring | 562/458000 | 0 | |
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| Aldehyde or ketone | 562/459000 | 0 | |
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| Two rings bonded directly to the same carbonyl | 562/460000 | 0 | |
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| Polycyclo ring system | 562/461000 | 0 | |
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| Bicyclo ring system | 562/462000 | 0 | |
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| Oxy | 562/463000 | 0 | |
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| Phenoxy alkanoic acids | 562/464000 | 0 | |
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| Oxy | 562/465000 | 0 | |
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| Polycyclo ring system | 562/466000 | 0 | |
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| Carboxyl bonded directly to naphthylene ring system | 562/467000 | 0 | |
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| Plural rings bonded directly to the same carbon | 562/468000 | 0 | |
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| Rings bonded directly to each other | 562/469000 | 0 | |
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| Oxy, not bonded directly to a ring, in same side chain as carboxyl, or salt thereof | 562/470000 | 0 | |
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| Oxy, bonded directly to a ring, in same side chain as carboxyl, or salt thereof | 562/471000 | 0 | |
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| Halogen | 562/472000 | 0 | |
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| Carboxyl, or salt thereof, bonded directly to a ring | 562/473000 | 0 | |
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| Halogen | 562/474000 | 0 | |
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| Phenolic hydroxy or metallate | 562/475000 | 0 | |
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| Poly phenolic hydroxy or metallate | 562/476000 | 0 | |
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| Salicyclic acid per se or salt thereof | 562/477000 | 0 | |
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| Phenolic hydroxy or metallate | 562/478000 | 0 | |
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| Decarboxylation of polycarboxylic acid or salt | 562/479000 | 0 | |
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| Polycarboxylic acids or salts thereof | 562/480000 | 0 | |
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| Prepared by disproportionation | 562/481000 | 0 | |
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| Preparation by isomerization | 562/482000 | 0 | |
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| Preparation by hydrolysis of amide, anhydride, or ester | 562/483000 | 0 | |
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| Preparation by hydrolysis of nitrile | 562/484000 | 0 | |
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| Purification or recovery per se | 562/485000 | 0 | |
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| By crystallization | 562/486000 | 0 | |
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| By reaction of undesired component | 562/487000 | 0 | |
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| Plural rings | 562/488000 | 0 | |
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| Carboxyl not directly attached to a ring | 562/489000 | 0 | |
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| Naphthyl group | 562/490000 | 0 | |
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| Plural rings bonded directly to the same carbon | 562/491000 | 0 | |
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| Rings bonded directly to each other | 562/492000 | 0 | |
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| Monocyclic | 562/493000 | 0 | |
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| Purification or recovery per se | 562/494000 | 0 | |
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| Additional unsaturation | 562/495000 | 0 | |
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| Carboxyl, or salt thereof, not bonded directly to ring | 562/496000 | 0 | |
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| Preparing alicyclic acids by carbonylation | 562/497000 | 0 | |
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| Plural alicyclic rings | 562/498000 | 1 | |
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| Tricyclo ring system | 562/499000 | 0 | |
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| Two rings only | 562/500000 | 0 | |
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| Orthofused | 562/501000 | 0 | |
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| 2,2,1-bicyclo | 562/502000 | 0 | |
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| Cyclopentyl (e.g., prostoglandins, etc.) | 562/503000 | 0 | |
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| Cyclopentyl bonded to -COOR, -CCOOR, or -CCCOOR | 562/504000 | 0 | |
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| Cyclobutyl | 562/505000 | 0 | |
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| Cyclopropyl | 562/506000 | 0 | |
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| Alicyclic acids having an element other than oxygen, carbon, or hydrogen | 562/507000 | 0 | |
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| Alicyclic acids having an oxy, aldehyde, or ketone group | 562/508000 | 0 | |
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| Alicyclic polycarboxylic acids | 562/509000 | 0 | |
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| Alicyclic acids having unsaturation | 562/510000 | 0 | |
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| Naphthenic acids or salts thereof | 562/511000 | 0 | |
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| Acyclic | 562/512000 | 0 | |
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| Preparing by oxidation of hydrocarbon mixtures | 562/512200 | 0 | |
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| Plural -COO- groups in compound formed | 562/512400 | 0 | |
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| Preparation from source of undetermined composition (e.g., industrial waste, etc.) | 562/513000 | 0 | |
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| Nitrogen containing acid produced | 562/514000 | 0 | |
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| Preparation by degradation of carbohydrates | 562/515000 | 0 | |
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| Preparation by hydrolysis of proteins | 562/516000 | 0 | |
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| Preparation by carbonylation | 562/517000 | 0 | |
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| Of aldehyde or ketone | 562/518000 | 0 | |
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| Of alcohol or alcoholate | 562/519000 | 0 | |
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| Of halogenated hydrocarbon | 562/520000 | 0 | |
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| Of hydrocarbon | 562/521000 | 0 | |
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| Group VIII metal containing catalyst utilized | 562/522000 | 0 | |
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| Formation of carboxyl group by oxidation | 562/523000 | 0 | |
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| Of carboxylic acid or ester | 562/524000 | 0 | |
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| Of oxy acid or ester | 562/525000 | 0 | |
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| Of nitrogen containing compound | 562/526000 | 0 | |
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| Of ketone | 562/527000 | 0 | |
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| Cyclic ketone or mixture thereof with cyclic alcohol | 562/528000 | 0 | |
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| Two stage oxidation from hydrocarbon | 562/529000 | 0 | |
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| With recycle or recovery of reaction component | 562/530000 | 0 | |
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| Of aldehyde | 562/531000 | 0 | |
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| Producing unsaturated acid | 562/532000 | 0 | |
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| Liquid phase oxidation | 562/533000 | 0 | |
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| Group VIII metal containing catalyst utilized | 562/534000 | 0 | |
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| Group V metal containing catalyst utilized | 562/535000 | 0 | |
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| Producing acetic acid | 562/536000 | 0 | |
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| Of ether | 562/537000 | 0 | |
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| Of alcohol | 562/538000 | 0 | |
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| Caustic oxidant | 562/539000 | 0 | |
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| Nitrogen containing oxidant | 562/540000 | 0 | |
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| Of halogenated hydrocarbon | 562/541000 | 0 | |
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| Of hydrocarbon | 562/542000 | 0 | |
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| Alicyclic | 562/543000 | 0 | |
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| Olefin | 562/544000 | 0 | |
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| Producing unsaturated acid | 562/545000 | 0 | |
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| Group VIII metal containing catalyst utilized | 562/546000 | 0 | |
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| Group V metal containing catalyst utilized | 562/547000 | 0 | |
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| Producing acetic acid | 562/548000 | 0 | |
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| Alkane | 562/549000 | 0 | |
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| Formation of carboxyl group by carbonation | 562/550000 | 0 | |
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| Of C-metallated compound | 562/551000 | 0 | |
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| Of alkali metal salt of carboxylic acid | 562/552000 | 0 | |
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| Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.) | 562/553000 | 0 | |
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| Purification or recovery per se | 562/554000 | 0 | |
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| Carbamic acids or salts thereof | 562/555000 | 0 | |
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| Sulfur or selenium | 562/556000 | 0 | |
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| Alpha N, beta S - acids or salts thereof | 562/557000 | 0 | |
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| Penicillamine per se or salt thereof | 562/558000 | 0 | |
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| Methionine per se or salt thereof | 562/559000 | 0 | |
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| Ureido, hydrazino, or nitrogen double bonded directly to carbon | 562/560000 | 0 | |
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| Plural nitrogens | 562/561000 | 0 | |
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| Lysine per se or salt thereof | 562/562000 | 0 | |
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| Glutamine per se or salt thereof | 562/563000 | 0 | |
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| Oxy containing | 562/564000 | 0 | |
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| Polycarboxylic | 562/565000 | 0 | |
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| Ethylene diamine tetraacetic acid per se or salt thereof | 562/566000 | 0 | |
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| Oxy, aldehyde, or ketone | 562/567000 | 0 | |
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| Polycarboxylic | 562/568000 | 0 | |
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| Pantothenic acid per se or salt thereof | 562/569000 | 0 | |
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| Threonine per se or salt thereof | 562/570000 | 0 | |
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| Polycarboxylic | 562/571000 | 0 | |
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| Nitrilotriacetic acid per se or salt thereof | 562/572000 | 0 | |
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| Glutamic acid per se or salt thereof | 562/573000 | 0 | |
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| Halogen or unsaturation | 562/574000 | 0 | |
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| Alpha nitrogen | 562/575000 | 0 | |
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| Beta alanine per se or salt thereof | 562/576000 | 0 | |
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| Aldehyde or ketone | 562/577000 | 0 | |
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| Polycarboxylic | 562/578000 | 0 | |
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| Oxy | 562/579000 | 0 | |
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| Purification or recovery per se | 562/580000 | 0 | |
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| Sulfur | 562/581000 | 0 | |
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| Polycarboxylic | 562/582000 | 0 | |
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| Ether | 562/583000 | 0 | |
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| Citric acid per se or salt thereof | 562/584000 | 0 | |
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| Tartaric acid per se or salt thereof | 562/585000 | 0 | |
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| Halogen | 562/586000 | 0 | |
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| Polyoxy | 562/587000 | 0 | |
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| Alkoxy | 562/588000 | 0 | |
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| Lactic acid per se or salt thereof | 562/589000 | 0 | |
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| Polycarboxylic | 562/590000 | 0 | |
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| Preparation by isomerization | 562/591000 | 0 | |
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| Preparation by hydrogenation | 562/592000 | 0 | |
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| Purification or recovery per se | 562/593000 | 0 | |
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| Element other than C,H,O,N, or halogen | 562/594000 | 1 | |
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| Unsaturated | 562/595000 | 0 | |
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| Halogen | 562/596000 | 0 | |
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| Oxalic acid per se or salt thereof | 562/597000 | 0 | |
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| Unsaturated | 562/598000 | 0 | |
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| Formation of ethylenic unsaturation | 562/599000 | 0 | |
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| Purification or recovery per se | 562/600000 | 0 | |
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| Sorbic acid per se or salt thereof | 562/601000 | 0 | |
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| Halogen | 562/602000 | 0 | |
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| Preparation by halogenating acid or anhydride | 562/603000 | 0 | |
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| Preparation by dehalogenation | 562/604000 | 0 | |
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| Fluorine containing | 562/605000 | 0 | |
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| Saturated lower fatty acids | 562/606000 | 0 | |
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| Acetic acid per se or salt thereof | 562/607000 | 0 | |
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| Purification or recovery per se | 562/608000 | 0 | |
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| Formic acid per se or salt thereof | 562/609000 | 0 | |
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| Nitrolic acids or salts thereof (i.e., compounds having the group -C(=NOH)-N(=O) (=O), wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) | 562/620000 | 0 | |
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| Hydroxamic acids, chalcogen analogs or salts thereof (i.e., compounds having the -C(=X)-N(R)-XH group or the -C(XH)=NXR group, wherein R may be hydrogen or substitution for hydrogen, the X's in each group may be the same or diverse chalcogens, and H of -XH in each group may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) | 562/621000 | 0 | |
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| Carbocyclic ring bonded directly to the carbon of the acid group | 562/622000 | 0 | |
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| Nitrogen attached to the acid group directly or indirectly by acyclic nonionic bonding (e.g., N-hydroxy ureas, dihydroxamic acids, etc.) | 562/623000 | 0 | |
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| Imidic acids, chalcogen analogs or salts thereof (i.e., compounds having the group -N-C(XH)-, wherein X is chalcogen and the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) | 562/624000 | 0 | |
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| Sulfohydroxamic acids, chalcogen analogs or salts thereof (i.e., compounds having the -S(=O)(=O)-N(R)-XH group, wherein R may be hydrogen or substitution for hydrogen, X is chalcogen, and H of -XH may be replaced by a group IA or IIA light metal,or by substituted or unsubstituted ammonium) | 562/625000 | 0 | |
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| Hydroxamic acid halides or chalcogen analogs therof (i.e., compounds having the -C(=X)NH-halo group, wherein X is chalcogen and substitution may be made for hydrogen only) | 562/800000 | 0 | |
| |
| Additional nitrogen bonded directly to the -C(=X)- group (e.g., urea halides, etc.) | 562/801000 | 0 | |
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| Imidic acid halides (i.e., compounds having the -N=CH-halo group, wherein substitution may be made for hydrogen only) | 562/802000 | 0 | |
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| Additional halogen bonded directly to the carbon of the imidic halide group (i.e., -N=(halo)C(halo) | 562/803000 | 0 | |
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| Chalcogen attached directly to the nitrogen of the imidic halide group by nonionic bonding (i.e., -X-N=CH-halo, wherein X is chalcogen) | 562/804000 | 0 | |
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| Nitrogen attached directly to the nitrogen of the imidic halide group by nonionic bonding (i.e., HNH-N=CH-halo, wherein subsitution may be made for hydrogen only) | 562/805000 | 0 | |
| |
| Boron halides (i.e., compounds having halogen attached directly to boron by nonionic bonding | 562/806000 | 0 | |
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| Phosphorus attached directly or indirectly to the boron by nonionic bonding | 562/807000 | 0 | |
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| Phosphorus halides (i.e., compounds having halogen attached directly to phosphorus by nonionic bonding) | 562/808000 | 0 | |
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| Nitrogen bonded directly to the phosphorus | 562/809000 | 0 | |
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| The phosphorus and the nitrogen are in the same ring | 562/810000 | 0 | |
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| Additional phosphorus attached directly or indirectly to the phosphorus by nonionic bonding | 562/811000 | 0 | |
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| The phosphorus is in a ring | 562/812000 | 0 | |
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| Sulfur bonded directly to the phosphorus | 562/813000 | 0 | |
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| Preparing utilizing an inorganic compound containing phosphorus and sulfur | 562/814000 | 0 | |
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| Forming phosphorus to carbon bond | 562/815000 | 0 | |
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| Oxygen bonded directly to the phosphorus | 562/816000 | 0 | |
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| Halogen attached indirectly to the phosphorus by acyclic nonionic bonding | 562/817000 | 0 | |
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| Forming phosphorus to halogen bond | 562/818000 | 0 | |
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| Forming phosphorus to carbon bond | 562/819000 | 0 | |
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| Forming phosphorus to carbon bond | 562/820000 | 0 | |
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| Sulfur halides (i.e., compounds having halogen attached directly to sulfur by nonionic bonding) | 562/821000 | 0 | |
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| Nitrogen bonded directly to the sulfur | 562/822000 | 0 | |
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| Phosphorus, -C(=X)-, wherein X is chalcogen, additional chalcogen attached directly to the nitrogen by nonionic bonding | 562/823000 | 0 | |
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| The halogen is fluorine | 562/824000 | 0 | |
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| Chalcogen double bonded directly to the sulfur (e.g., sulfonyl fluorides, etc.) | 562/825000 | 0 | |
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| Benzene attached directly or indirectly to the sulfur by nonionic bonding | 562/826000 | 0 | |
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| Chalcogen double bonded directly to the sulfur (e.g., sulfinyl halides, etc.) | 562/827000 | 0 | |
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| Plural chalcogens double bonded directly to the sulfur (e.g., sulfonyl halides, etc.) | 562/828000 | 0 | |
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| Processes for forming the sulfonyl halide group utilizing elemental halogen | 562/829000 | 0 | |
| |
| Preparing utilizing thionyl halide or carbonyl dihalide (e.g., phosgene, etc.) | 562/830000 | 0 | |
| |
| Plural sulfonyl halide groups attached indirectly to each other by nonionic bonding | 562/831000 | 0 | |
| |
| Nitrogen, other than as nitro or nitroso, attached indirectly to the sulfur by nonionic bonding | 562/832000 | 0 | |
| |
| Chalcogen attached indirectly to the sulfur by nonionic bonding | 562/833000 | 0 | |
| |
| Halogen attached indirectly to the sulfur by nonionic bonding | 562/834000 | 0 | |
| |
| Chalcogen or nitrogen attached indirectly to the sulfur by nonionic bonding | 562/835000 | 0 | |
| |
| Perchloro methyl mercaptan per se (i.e., trichloromethane sulfenyl chloride) | 562/836000 | 0 | |
| |
| Compounds having the -(O=)S(=O)-NH-halo group (i.e., N-halo sulfonamides, wherein substitution may be made for hydrogen only) | 562/837000 | 0 | |
| |
| Thiocarboxylic halides (i.e., compounds having the -C(=S)-halo group) | 562/838000 | 0 | |
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| Additional halogen bonded directly to the -C(=S)- group (e.g., thiophosgene, etc.) | 562/839000 | 0 | |
| |
| Carboxylic halides (i.e., compounds having the -C(=O)-halo group) | 562/840000 | 0 | |
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| With preservative or stabilizer | 562/841000 | 0 | |
| |
| Boron or phosphorus attached directly or indirectly to the carbonyl group by nonionic bonding | 562/842000 | 0 | |
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| Carbonyl bonded directly to the carbonyl group (e.g., oxalyl chlorides, etc.) | 562/843000 | 0 | |
| |
| Nitrogen bonded directly to the carbonyl group (e.g., carbamyl chlorides, etc.) | 562/844000 | 0 | |
| |
| Chalcogen or additional carbonyl bonded directly to the nitrogen | 562/845000 | 0 | |
| |
| Processes utilizing phosgene as a reactant | 562/846000 | 0 | |
| |
| Phosgene, per se | 562/847000 | 0 | |
| |
| Processes utilizing carbon monoxide as a reactant | 562/848000 | 0 | |
| |
| Fluorine is the halogen (i.e., carboxylic fluorides) | 562/849000 | 0 | |
| |
| Plural -C(=O)-F groups attached indirectly to each other by nonionic bonding | 562/850000 | 0 | |
| |
| Processes for forming the carbonyl group | 562/851000 | 0 | |
| |
| Processes for forming the carbonyl to fluoride bond | 562/852000 | 0 | |
| |
| Plural -C(=O)-halo groups attached indirectly to each other by nonionic bonding | 562/853000 | 0 | |
| |
| Preparing utilizing phosgene | 562/854000 | 0 | |
| |
| Plural -C(=O)-halo groups bonded directly to the same benzene ring | 562/855000 | 0 | |
| |
| Processes | 562/856000 | 0 | |
| |
| Phosgene reactant | 562/857000 | 0 | |
| |
| Ketene reactant | 562/858000 | 0 | |
| |
| Forming the carbonyl group | 562/859000 | 0 | |
| |
| By oxidizing a halogenated olefin | 562/860000 | 0 | |
| |
| Forming the carbonyl to halide bond | 562/861000 | 0 | |
| |
| Reactant having halogen bonded directly to sulfur by nonionic bonding | 562/862000 | 0 | |
| |
| Elemental halogen or hydrogen halide utilized | 562/863000 | 0 | |
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| Halogenation | 562/864000 | 0 | |
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| Dehalogenation or dehydrohalogenation | 562/865000 | 0 | |
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| Purification or recovery | 562/866000 | 0 | |
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| Alicyclic ring containing | 562/867000 | 0 | |
| |
| Nitrogen attached indirectly to the carbonyl group by nonionic bonding | 562/868000 | 0 | |
| |
| Containing -C(=X)-CN, wherein X is chalcogen (e.g., carbonyl cyanides, etc.) | 562/869000 | 0 | |
| |
| Sulfonyl isocyanates or sulfonyl isothiocyanates, (i.e., compounds having the -S(=O)(=O)-N=C=X group, wherein X is oxygen or sulfur) | 562/870000 | 0 | |
| |
| Containing -C(=X)-N=C=X or -C(=X)-X-N=N-X-, wherein the X's may be the same or diverse chalcogens | 562/871000 | 0 | |
| |
| Sulfonic anhydrides (i.e., compounds having the -S(=O)(=O)-O-S(=O)(O=) group | 562/872000 | 0 | |
| |
| Containing -S(=O)(=O)-CN or -S(=O)(=O)-N=S=O | 562/873000 | 0 | |
| |
| Containing -C(=X)-NH-X-C(=X)- or -C(=X)-NH-X-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens | 562/874000 | 0 | |
| |
| Containing -C(=NH)-X-C(=X)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens | 562/875000 | 0 | |
| |
| Phosphorus bonded directly to the single bonded X of a -C(=X)-X-group, wherein the X's may be the same or diverse chalcogens | 562/876000 | 0 | |
| |
| Phosphorus bonded directly to cyano or to -N=C=X, wherein X is chalcogen | 562/877000 | 0 | |
| |
| Two phosphori bonded directly to the same divalent chalcogen atom (e.g., pyrophosphorus compounds, etc.) | 562/878000 | 0 | |
| |
| Containing -C(=X)-X-N(=O) or -C(=X)-X-S(=O)(=O)-, wherein the X's may be the same or diverse chalcogens | 562/879000 | 0 | |
| |
| Containing -C(=X)-NH-X-NH-C(=X)- or -C(=X)-X-NH-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens | 562/880000 | 0 | |
| |
| Containing -C(=X)-NH-X-halo, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens | 562/881000 | 0 | |
| |
| Boron bonded directly to the single bonded X of a -C(=X)-X- group, wherein the X's may be the same or diverse chalcogens | 562/882000 | 0 | |
| |
| Two borons bonded directly to the same divalent chalcogen atom (e.g., boroxoles, etc.) | 562/883000 | 0 | |
| |
| Boron bonded directly to the single bonded oxygen of a -S(=O)(=O)-O- group | 562/884000 | 0 | |
| |
| Compounds having the -S-SCN group bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon | 562/885000 | 0 | |
| |
| Thiocarboxylic acid anhydrides (i.e., compounds having the -C(=X)-X C(=X)- group, wherein the X's may be the same or diverse chalcogens and at least one X is sulfur) | 562/886000 | 0 | |
| |
| Carboxylic acid anhydrides (i.e., compounds having the -C(=O)-O-C(=O)- group) | 562/887000 | 0 | |
| |
| Processes of forming the -C(=O)-O-C(=O)- group | 562/888000 | 0 | |
| |
| Aldehyde reactant | 562/889000 | 0 | |
| |
| Carbon monoxide or metal carbonyl reactant | 562/890000 | 0 | |
| |
| Ether or carboxylic acid ester reactant | 562/891000 | 0 | |
| |
| Ketone or ketene reactant | 562/892000 | 0 | |
| |
| Ether or carboxylic acid ester reactant | 562/893000 | 0 | |
| |
| Carboxylic acid salt reactant | 562/894000 | 0 | |
| |
| Dehydration of two like or different molecules of carboxylic acid | 562/895000 | 0 | |
| |
| Vapor phase | 562/896000 | 0 | |
| |
| Carboxylic acid halide reactant | 562/897000 | 0 | |
| |
| Purification or recovery | 562/898000 | 0 | |
| |
| Selenium or tellurium containing | 562/899000 | 0 | |
| |
| CLASS-RELATED FOREIGN DOCUMENTS | 562/FOR000 | 0 | |
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