(19)

(11)

EP 0 413 773 A1

(12)

(43) Date of publication: 27.02.1991 Bulletin 1991/09 (21) Application number: 89910344.0 (22) Date of filing: 29.08.1989

(51) International Patent Classification (IPC):  C10L 1/ 22( . ) C07C 211/ 21( . ) C07D 295/ 13( . ) C10L 1/ 23( . ) F02B 3/ 06( . ) C07C 211/ 15( . ) C07C 217/ 08( . ) C10L 1/ 222( . ) C10L 1/ 233( . ) F02B 77/ 04( . ) (86) International application number: PCT/US1989/003742 (87) International publication number: WO 1990/002782 (22.03.1990 Gazette 1990/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 06.09.1988 US 19880240987 (71) Applicant: The Lubrizol Corporation Wickliffe, Ohio 44092 (US)	(72) Inventor: JOLLEY, Scott, T. Mentor, OH 44060 (US) (74) Representative: Crisp, David Norman, et al  D. YOUNG & CO. 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)