Working-up: characterised by the use of homopolymers or copolymers of compounds having

Official title: Characterised by the use 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 heterocyclic ring containing oxygen; Derivatives of such polymers

C08J2437/00 (Working-up: characterised by the use of homopolymers or copolymers of compounds having) appears on 5 US grants and 7 published applications in this corpus.