US PATENT SUBCLASS 562 / 108
.~.~ Chalcogen attached indirectly to the sulfonate 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


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}
108.~.~ Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding {4}
109  DF  .~.~.~> The chalcogen, X, is in a -C(=X)- group
110  DF  .~.~.~> Plural chalcogens attached indirectly to the sulfonate group by acyclic nonionic bonding
111  DF  .~.~.~> Plural carbons bonded directly to the chalcogen (e.g., ethers, etc.)
112  DF  .~.~.~> Addition salts having organic nitrogen containing cation

DEFINITION

Classification: 562/108

(under subclass 30) Compounds wherein the sulfonate group is attached indirectly to chalcogen (i.e., oxygen, sulfur, selenium or tellurium) by acyclic nonionic bonding.

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