US PATENT SUBCLASS 514 / 89
.~.~.~ Hetero ring is six-membered and includes only one ring nitrogen

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}
89.~.~.~ Hetero ring is six-membered and includes only one ring nitrogen {1}
90  DF  .~.~.~.~> Chalcogen in the six-membered hetero ring

DEFINITION

Classification: 514/89

Hetero ring is six-membered and includes only one ring nitrogen:

(under subclass 79) Subject matter in which the organo-phosphorus compound contains a heterocyclic ring which has six members and includes only one therein, e.g., [figure] [caption], etc.