| http://www.w3.org/ns/prov#value | - British Patent Specification No. 1 369 351 disclosed compositions that cure on contact with amines especially in vapour form, comprising a polyisocyanate and a component having free hydroxy or epoxy groups capped with a diphenolic acid having the general formula ##STR1## in which R1 represents a hydrogen atom or an alkyl group, and n is an integer of from 1 to 8, this acid optionally being in the
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