| 562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
| 30 | DF | .~ 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) {15} |
| 45 | DF | .~.~ Benzene ring bonded directly to the sulfonate sulfur (e.g., purification and neutralization of benzene sulfonic acids, etc.) {11} |
| 91 |  | .~.~.~ Sulfonate group and alkyl group of at least four carbons bonded directly to the same benzene ring {5} |
| 92 | DF | .~.~.~.~> With preservative, stabilizer, or color or odor affecting additive |
| 93 | DF | .~.~.~.~> Processes including alkylation of a benzene ring, and the products thereof {1} |
| 95 | DF | .~.~.~.~> Sulfonation processes |
| 96 | DF | .~.~.~.~> Purification or recovery |
| 97 | DF | .~.~.~.~> Neutralization or acidification |