US PATENT SUBCLASS 424 / 78.36
.~ Nitrogen heterocycle

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

78.08  DF  SOLID SYNTHETIC ORGANIC POLYMER AS DESIGNATED ORGANIC ACTIVE INGREDIENT (DOAI) {6}
78.36.~ Nitrogen heterocycle

DEFINITION

Classification: 424/78.36

Nitrogen heterocycle:

(under subclass 78.08) Subject matter wherein the solid polymer is derived from a nitrogen heterocyclic monomer; e.g., an antivirally effective composition contains a polymer derived from the polycondensation of pentachloropyridine and liquid polyethylenimine, etc.