US PATENT SUBCLASS 558 / 38
.~.~ 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.)

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
20  DF  .~ 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}
38.~.~ 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}
39  DF  .~.~.~> Processes {4}

DEFINITION

Classification: 558/38

(under subclass 20) Compounds wherein the sulfate group is

bonded directly to plural alkyl groups, or to hydrogen and an alkyl group, wherein the hydrogen may be replaced by a group 1A or 11A light metal or by substituted or unsubstituted ammonium.

(1) Note. Examples of compounds provided for herein are: [figure] [figure] [figure] [figure] [figure]