US PATENT SUBCLASS 424 / 78.23
.~.~.~.~.~ Six-membered ring

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}
78.17  DF  .~ Aftertreated polymer (e.g., grafting, blocking, etc.) {2}
78.18  DF  .~.~ Polymer derived from ethylenic monomers only {2}
78.19  DF  .~.~.~ Heterocyclic monomer {2}
78.22  DF  .~.~.~.~ Nitrogen heterocycle {2}
78.23.~.~.~.~.~ Six-membered ring

DEFINITION

Classification: 424/78.23

Six-membered ring:

(under subclass 78.22) Subject matter wherein the nitrogen heterocycle is a six-membered ring; e.g., 1-acryloyl-4-methyl piperazine N-acryloyl morpholine, 2-methyl-5-vinyl pyridine, 4-vinyl quinoline, etc.