(19)

(11)

EP 0 734 412 A1

(12)

(43) Date of publication: 02.10.1996 Bulletin 1996/40 (21) Application number: 95904228.0 (22) Date of filing: 28.11.1994

(51) International Patent Classification (IPC):  C08K 5/ 00( . ) (86) International application number: PCT/US1994/013941 (87) International publication number: WO 1995/016736 (22.06.1995 Gazette 1995/26)

(84) Designated Contracting States: AT BE DE ES FR GB GR IT NL SE (30) Priority: 14.12.1993 GB 19930025575 (71) Applicant: THE DOW CHEMICAL COMPANY Midland, Michigan 48640 (US)	(72) Inventors: VAN NUFFEL, Claude, T., E. B-9041 Oostakker (BE) VANEECKHOUTTE, Rik, G. B-9900 Eeklo (BE) (74) Representative: Raynor, John  W.H. Beck, Greener & Co 7 Stone Buildings Lincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)