US PATENT SUBCLASS 424 / 78.2
.~.~.~.~ Maleic anhydride monomer copolymerized with hydrocarbon monomer


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
78.2.~.~.~.~ Maleic anhydride monomer copolymerized with hydrocarbon monomer {1}
78.21  DF  .~.~.~.~.~> Ring-opened product thereof


DEFINITION

Classification: 424/78.2

Maleic anhydride monomer copolymerized with hydrocarbon monomer:

(under subclass 78.19) Subject matter wherein the maleic anhydride monomer is copolymerized with a hydrocarbon monomer; e.g., maleic anhydride copolymerized with octadecene-1, etc.

SEE OR SEARCH CLASS

526, Synthetic Resins or Natural Rubbers,

272, for the preparation of a copolymer of maleic anhydride with a hydrocarbon monomer.