US PATENT SUBCLASS 424 / 78.33
.~.~.~ Maleic anhydride monomer

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}
78.31  DF  .~ Polymer from ethylenic monomers only {3}
78.32  DF  .~.~ Heterocyclic monomer {1}
78.33.~.~.~ Maleic anhydride monomer

DEFINITION

Classification: 424/78.33

Maleic anhydride monomer:

(under subclass 78.32) Subject matter wherein the

heterocyclic monomer is maleic anhydride; e.g., a composition to suppress plant virus growth contains styrene-maleic anhydride copolymer, etc.