| 558 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {21} |
| 20 |  | .~ Sulfate esters ( i.e., compounds having the sulfate group, -O-S(=O)(=O)O-, bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {11} |
| 21 | DF | .~.~> With preservative or stabilizer |
| 22 | DF | .~.~> Phosphorus attached directly or indirectly to the sulfate group by nonionic bonding |
| 23 | DF | .~.~> Chalcogen bonded directly to the sulfate group |
| 24 | DF | .~.~> Plural sulfate groups attached indirectly to each other by nonionic bonding {2} |
| 27 | DF | .~.~> Quaternary nitrogen containing {1} |
| 29 | DF | .~.~> Nitrogen attached indirectly to the sulfate group by acyclic nonionic bonding {1} |
| 31 | DF | .~.~> Chalcogen attached indirectly to the sulfate group by acyclic nonionic bonding {3} |
| 35 | DF | .~.~> Halogen attached indirectly to the sulfate group by acyclic nonionic bonding |
| 36 | DF | .~.~> Acyclic carbon chain containing carbon to carbon unsaturation attached directly to the sulfate group by nonionic bonding |
| 37 | DF | .~.~> Benzene ring attached directly or indirectly to the sulfate group by nonionic bonding |
| 38 | DF | .~.~> Plural alkyl groups, or hydrogen and an alkyl group, bonded directly to the sulfate group, wherein the hydrogen may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal (e.g., ethyl hydrogen sulfate, methyl ammonium sulfate, diethyl sulfate, etc.) {1} |