US PATENT SUBCLASS 514 / 185
.~.~.~ Polycyclo ring system


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}
183  DF  .~ Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI {16}
184  DF  .~.~ Heavy metal containing (including salts) {4}
185.~.~.~ Polycyclo ring system {1}
186  DF  .~.~.~.~> Bicyclo ring system {1}


DEFINITION

Classification: 514/185

Polycyclo ring system:

(under subclass 184) Subject matter wherein the heterocyclic compound which includes a heavy metal is a part of a fused

ring or bridged ring system.