US PATENT SUBCLASS 558 / 44
.~ Sulfonate esters (i.e., compounds having the sulfonate group, -O-S(=O)(=O) , wherein the single bonded oxygen is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)

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}
44.~ Sulfonate esters (i.e., compounds having the sulfonate group, -O-S(=O)(=O) , wherein the single bonded oxygen is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {7}
45  DF  .~.~> Phosphorus attached directly or indirectly to the sulfonate group by nonionic bonding
46  DF  .~.~> Plural sulfonate groups attached indirectly to each other by nonionic bonding {1}
48  DF  .~.~> Nitrogen attached directly or indirectly to the sulfonate group by acyclic nonionic bonding {1}
51  DF  .~.~> Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding {1}
53  DF  .~.~> Halogen attached directly or indirectly to the sulfonate group by acyclic nonionic bonding {1}
55  DF  .~.~> Acyclic carbon chain containing carbon to carbon unsaturation attached directly to the sulfonate group by nonionic bonding
56  DF  .~.~> Benzene ring bonded directly to the sulfonate group {2}

DEFINITION

Classification: 558/44

(under subclass 1) Compounds under Class 532, ... which contain the sulfonate group, -O-S (=O) (=O)-, wherein carbon is directly bonded to the single bonded oxygen, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.

(1) Note. An example of a compound provided for herein is: [figure]