(19)

(11)

EP 2 358 849 A1

(12)

(43) Date of publication: 24.08.2011 Bulletin 2011/34 (21) Application number: 09748200.4 (22) Date of filing: 03.11.2009

(51) International Patent Classification (IPC):  C10M 145/14(2006.01) C10M 149/06(2006.01) C10M 153/02(2006.01) C10N 40/25(2006.01) C10M 149/02(2006.01) C10M 151/02(2006.01) C10N 30/04(2006.01) (86) International application number: PCT/US2009/063046 (87) International publication number: WO 2010/053890 (14.05.2010 Gazette 2010/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 05.11.2008 US 111408 P (71) Applicant: The Lubrizol Corporation Wickliffe OH 44092-2298 (US)

(72) Inventors: QIN, Haihu Wickliffe Ohio 44092-2298 (US) WANG, Ying Wickliffe Ohio 44092-2298 (US) BAUM, Marina Wickliffe Ohio 44092-2298 (US) KELLEY, Jack Wickliffe Ohio 44092-2298 (US) MOSIER, Patrick E. Wickliffe Ohio 44092-2298 (US) COVITCH, Michael J. Wickliffe Ohio 44092-2298 (US) MULLAY, John J. Wickliffe Ohio 44092-2298 (US) (74) Representative: Bradley, Josephine Mary  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)