(19)

(11)

EP 0 433 409 A1

(12)

(43) Date of publication: 26.06.1991 Bulletin 1991/26 (21) Application number: 90908812.0 (22) Date of filing: 17.05.1990

(51) International Patent Classification (IPC):  C10M 141/ 10( . ) C10N 10/ 02( . ) C10N 10/ 06( . ) C10N 10/ 12( . ) C10N 10/ 16( . ) C10N 40/ 25( . ) C10M 163/ 00( . ) C10N 10/ 04( . ) C10N 10/ 08( . ) C10N 10/ 14( . ) C10N 30/ 04( . ) (86) International application number: PCT/US1990/002815 (87) International publication number: WO 1990/015124 (13.12.1990 Gazette 1990/28)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 01.06.1989 US 19890359593 (71) Applicant: The Lubrizol Corporation Wickliffe, Ohio 44092 (US)	(72) Inventor: ROBY, Stephen, H. Euclid, OH 44132 (US) (74) Representative: VOSSIUS & PARTNER  Postfach 86 07 67 D-81634 München D-81634 München (DE)