US PATENT SUBCLASS 424 / 78.25
.~.~.~.~.~.~ Complexed with molecular halogen or compound containing only halogen atoms

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}
78.24  DF  .~.~.~.~.~ N-Vinyl-2-pyrrolidone {1}
78.25.~.~.~.~.~.~ Complexed with molecular halogen or compound containing only halogen atoms

DEFINITION

Classification: 424/78.25

Complexed with molecular halogen or compound containing only halogen atoms:

(under subclass 78.24) Subject matter wherein the polyvinylpyrrolidone homo or copolymer is complexed with molecular halogen or a compound containing only halogen atoms; e.g., I(2), Br(2[end subscrpt]), I-Br, I-Cl, etc.