US PATENT SUBCLASS 514 / 84
.~.~.~ Hetero ring is six-membered consisting of three nitrogens and three carbons

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

Internet Version by PATENTEC © 1999      Terms of Use


514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
75  DF  .~ Phosphorus containing other than solely as part of an inorganic ion in an addition salt DOAI {22}
79  DF  .~.~ Nitrogen containing hetero ring {6}
84.~.~.~ Hetero ring is six-membered consisting of three nitrogens and three carbons

DEFINITION

Classification: 514/84

Hetero ring is six-membered consisting of three nitrogens and three carbons:

(under subclass 79) Subject matter in which the organo-phosphorus compound contains a six-membered heterocyclic ring which consists of three nitrogens and three carbons.