US PATENT SUBCLASS 106 / 31.78
.~.~.~.~.~.~ Five-ring members in the heteroyclic ring

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

Internet Version by PATENTEC © 1999      Terms of Use


106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
31.01  DF  .~ Marking {14}
31.13  DF  .~.~ Inks {6}
31.6  DF  .~.~.~ Pigment containing {9}
31.75  DF  .~.~.~.~ Organic nitrogen compound containing {3}
31.76  DF  .~.~.~.~.~ The nitrogen is a ring member of a heterocyclic ring {3}
31.78.~.~.~.~.~.~ Five-ring members in the heteroyclic ring

DEFINITION

Classification: 106/31.78

Five-ring members in the heterocyclic ring:

(under subclass 31.76) Subject matter wherein the heterocyclic ring is five-membered and has at least one ring nitrogen.