(19)

(11)

EP 1 633 835 A1

(12)

(43) Date of publication: 15.03.2006 Bulletin 2006/11 (21) Application number: 04755146.0 (22) Date of filing: 14.06.2004

(51) International Patent Classification (IPC):  C10M 163/00(1985.01) C10M 141/10(1985.01) C10M 169/04(1985.01) (86) International application number: PCT/US2004/018801 (87) International publication number: WO 2004/113479 (29.12.2004 Gazette 2004/53)

(84) Designated Contracting States: DE FR GB (30) Priority: 18.06.2003 US 463932 (71) Applicant: The Lubrizol Corporation Wickliffe, Ohio 44092-2298 (US)	(72) Inventor: BUTKE, Betsy J., Mentor, OH 44060 (US) (74) Representative: von Kreisler Selting Werner  Patentanwälte Deichmannhaus am Dom Bahnhofsvorplatz 1 50667 Köln 50667 Köln (DE)