(19)

(11)

EP 0 539 388 A1

(12)

(43) Date of publication: 05.05.1993 Bulletin 1993/18 (21) Application number: 91911421.0 (22) Date of filing: 17.06.1991

(51) International Patent Classification (IPC):  C07C 67/ 62( . ) C08F 2/ 00( . ) C07C 69/ 54( . ) C08F 2/ 38( . ) (86) International application number: PCT/US1991/004325 (87) International publication number: WO 1992/001665 (06.02.1992 Gazette 1992/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 17.07.1990 US 19900554320 (71) Applicant: UNIROYAL CHEMICAL COMPANY, Inc. Middlebury Connecticut 06749 (US)	(72) Inventor: GROSSI, Anthony, V. Torrington, CT 06790 (US) (74) Representative: Browne, Robin Forsythe, Dr., et al  Urquhart-Dykes & Lord Tower House Merrion Way Leeds LS2 8PA West Yorkshire Leeds LS2 8PA West Yorkshire (GB)