US PATENT SUBCLASS 562 / 92
.~.~.~.~ With preservative, stabilizer, or color or odor affecting additive

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  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  DF  .~.~.~ Sulfonate group and alkyl group of at least four carbons bonded directly to the same benzene ring {5}
92.~.~.~.~ With preservative, stabilizer, or color or odor affecting additive

DEFINITION

Classification: 562/92

(under subclass 91) Products wherein the sulfonic acid or salt thereof is mixed with stabilizing or preserving agent, whose sole function is to prevent physical or chemical change, or with a color or odor affecting additive, whose sole function is to improve color or odor qualities.