US PATENT SUBCLASS 252 / 182.19
.~.~.~.~ Cyclic anhydride moiety

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

Internet Version by PATENTEC © 1999      Terms of Use


252 /   HD   COMPOSITIONS

182.11  DF  COMPOSITIONS CONTAINING A SINGLE CHEMICAL REACTANT OR PLURAL NONINTERACTIVE CHEMICAL REACTANTS; I.E., NOT VIS-A-VIS {2}
182.12  DF  .~ Organic reactant {4}
182.13  DF  .~.~ For subsequent solid polymer treatment or preparation; e.g., crosslinking, grafting, curing, hardening, vulcanizing, etc. {4}
182.18  DF  .~.~.~ Reactant contains ethylenic group {1}
182.19.~.~.~.~ Cyclic anhydride moiety

DEFINITION

Classification: 252/182.19

Cyclic anhydride moiety:

(under subclass 182.18) Subject matter wherein the organic reactant containing an ethylenic groups also contains an anhydride moiety, e.g., maleic anhydride, etc.