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(11)

EP 2 197 994 A1

(12)

(43) Date of publication: 23.06.2010 Bulletin 2010/25 (21) Application number: 08835397.4 (22) Date of filing: 30.09.2008

(51) International Patent Classification (IPC):  C10M 159/20(2006.01) C10N 10/02(2006.01) C10N 30/06(2006.01) C10N 40/04(2006.01) C10M 167/00(2006.01) C10N 10/04(2006.01) C10N 40/02(2006.01) (86) International application number: PCT/US2008/078217 (87) International publication number: WO 2009/045979 (09.04.2009 Gazette 2009/15)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 03.10.2007 US 866696 (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventors: WARD, William C. Wickliffe Ohio 44092-2298 (US) O'CONNOR, Brian M. Wickliffe Ohio 44092-2298 (US) VINCI, James N. Wickliffe Ohio 44092-2298 (US) (74) Representative: Bradley, Josephine Mary  D Young & Co LLP 120 Holborn London EC1N 2DY 120 Holborn London EC1N 2DY (GB)