Nitrogen-containing compounds

Abstract

Poly-sulphonyloxyurethanes of the formula A[O--CO--NH--O--SO.sub.2 --R].sub.n (1) wherein A is a linking group to which the oxygen atoms are attached at alkyl, cycloalkyl or aryl carbon atoms, n is an integer of value at least 2, and each R which may be the same or different, is an optionally substituted alkyl or aryl group, and their salts, especially salts with cations based on tertiary amines, are useful cross-linking or chain-extending agents for natural or synthetic polymers, or may be used as adhesives for binding these materials to each other or to metal substrates.

Dependencies are inferred from the claim text.