US PATENT SUBCLASS 558 / 29
.~.~ Nitrogen attached indirectly to the sulfate group by acyclic nonionic bonding

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
29.~.~ Nitrogen attached indirectly to the sulfate group by acyclic nonionic bonding {1}
30  DF  .~.~.~> Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen

DEFINITION

Classification: 558/29

(under subclass 20) Compounds wherein the sulfate group is attached indirectly to nitrogen by acyclic nonionic bonding.

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