US PATENT SUBCLASS 558 / 233
.~.~.~ Chalcogen, nitrogen, or additional -C(=X)- attached directly to the nitrogen by nonionic bonding (X is chalcogen)

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}
230  DF  .~ Esters having the thiocarboxylate group, -C(=X)X-, wherein the X's are the same or diverse chalcogens, with at least one X being sulfur, and wherein the single bonded X is bonded directly to an additional carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon {5}
232  DF  .~.~ Nitrogen bonded directly to the carbon of the -C(=X)X- group (e.g., thiocarbamates, etc.) {6}
233.~.~.~ Chalcogen, nitrogen, or additional -C(=X)- attached directly to the nitrogen by nonionic bonding (X is chalcogen)

DEFINITION

Classification: 558/233

(under subclass 232) Compounds in which the nitrogen is further attached directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), nitrogen or additional -C(=X)-, wherein X is chalcogen, by nonionic bonding.

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