(19)

(11)

EP 2 121 881 A2

(12)

(88) Date of publication A3: 20.11.2008 (43) Date of publication: 25.11.2009 Bulletin 2009/48 (21) Application number: 08743785.1 (22) Date of filing: 12.03.2008

(51) International Patent Classification (IPC):  C10M 141/10(2006.01) C10N 20/02(2006.01) C10N 30/02(2006.01) C10N 30/06(2006.01) C10N 40/04(2006.01) (86) International application number: PCT/US2008/056593 (87) International publication number: WO 2008/112724 (18.09.2008 Gazette 2008/38)

(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 (30) Priority: 13.03.2007 US 894471 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventors: TIPTON, Craig D. Perry, Ohio 44081 (US) SUMIEJSKI, James L. Wickliffe, Ohio 44092-2298 (US) LAHIRI, Shreyasi Wickliffe, Ohio 44092-2298 (US) (74) Representative: Bradley, Josephine Mary  D Young & Co 120 Holborn London EC1N 2DY 120 Holborn London EC1N 2DY (GB)