Compositions of homopolymers or copolymers of compounds having one or more unsaturated

Official title: {Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers, e.g. poly (methyl vinyl ether-co-maleic anhydride)}

A61K8/8164 (Compositions of homopolymers or copolymers of compounds having one or more unsaturated) appears on 546 US grants and 487 published applications in this corpus.