(19)

(11)

EP 0 415 956 A1

(12)

(43) Date of publication: 13.03.1991 Bulletin 1991/11 (21) Application number: 89905157.0 (22) Date of filing: 19.04.1989

(51) International Patent Classification (IPC):  C08G 61/ 00( . ) C08G 73/ 10( . ) (86) International application number: PCT/GB1989/000412 (87) International publication number: WO 1989/010049 (02.11.1989 Gazette 1989/26)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 19.04.1988 GB 19880009231 (71) Applicant: RAYCHEM LIMITED London, EC4 1NL (GB)	(72) Inventors: WHITELEY, Richard Wiltshire SN6 7PG (GB) BORRILL, Christopher Wiltshire SN1 5LP (GB) (74) Representative: Jay, Anthony William, et al  Raychem Limited Intellectual Property Law Department Faraday Road Dorcan Swindon Wiltshire SN3 5HH Dorcan Swindon Wiltshire SN3 5HH (GB)