(19)

(11)

EP 0 271 565 A1

(12)

(43) Date of publication: 22.06.1988 Bulletin 1988/25 (21) Application number: 87904456.0 (22) Date of filing: 19.06.1987

(51) International Patent Classification (IPC):  C08L 95/ 00( . ) (86) International application number: PCT/US1987/001474 (87) International publication number: WO 1988/000222 (14.01.1988 Gazette 1988/02)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 27.06.1986 US 19860879866 (71) Applicant: The Lubrizol Corporation Wickliffe, Ohio 44092 (US)	(72) Inventor: MILLER, H., Richard Solon, OH 44139 (US) (74) Representative: Crisp, David Norman, et al  D. YOUNG & CO. 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)