(19)

(11)

EP 0 358 734 A1

(12)

(43) Date of publication: 21.03.1990 Bulletin 1990/12 (21) Application number: 89901780.0 (22) Date of filing: 10.01.1989

(51) International Patent Classification (IPC):  C10L 1/ 02( . ) C10L 1/ 18( . ) C10L 1/ 183( . ) C10L 1/ 192( . ) C10L 1/ 24( . ) C10L 1/ 22( . ) C10L 1/ 14( . ) C10L 1/ 182( . ) C10L 1/ 19( . ) C10L 1/ 198( . ) C10L 1/ 30( . ) (86) International application number: PCT/US1989/000085 (87) International publication number: WO 1989/007126 (10.08.1989 Gazette 1989/18)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 27.01.1988 US 19880148784 (71) Applicant: The Lubrizol Corporation Wickliffe, Ohio 44092 (US)	(72) Inventor: STOLDT, Stephen, H. Concord Township, OH 44077 (US) (74) Representative: VOSSIUS & PARTNER  Postfach 86 07 67 D-81634 München D-81634 München (DE)