US PATENT SUBCLASS 548 / 369.7
.~.~.~.~.~.~ Acyclic nitrogen or chalcogen bonded directly to the -C(=X)- group

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

Internet Version by PATENTEC © 1999      Terms of Use


548 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
*  DD  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {4}
100  DF  .~.~ Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) {18}
356.1  DF  .~.~.~ 1,2-diazoles (including hydrogenated) {8}
366.1  DF  .~.~.~.~ Chalcogen bonded directly to ring carbon of the diazole ring {7}
369.4  DF  .~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen bonded directly to the diazole ring {1}
369.7.~.~.~.~.~.~ Acyclic nitrogen or chalcogen bonded directly to the -C(=X)- group

DEFINITION

Classification: 548/369.7

(under subclass 369.4) Compounds wherein the -C(=X)- group is bonded directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or acyclic nitrogen.

(1) Note. This subclass contains, for example: [figure] [figure] [figure]