(19)

(11)

EP 2 109 659 A2

(12)

(88) Date of publication A3: 16.10.2008 (43) Date of publication: 21.10.2009 Bulletin 2009/43 (21) Application number: 08728000.4 (22) Date of filing: 22.01.2008

(51) International Patent Classification (IPC):  C10M 161/00(2006.01) (86) International application number: PCT/US2008/051589 (87) International publication number: WO 2008/094781 (07.08.2008 Gazette 2008/32)

(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: 30.01.2007 US 887192 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventors: JAMES, Calvin A. Wickliffe, Ohio 44092-2298 (US) TIPTON, Craig D. Perry, Ohio 44081 (US) ABRAHAM, William D. Wickliffe, Ohio 44092-2298 (US) KONZMAN, Edward J. Wickliffe, Ohio 44092-2298 (US) (74) Representative: Bradley, Josephine Mary  D Young & Co 120 Holborn London EC1N 2DY 120 Holborn London EC1N 2DY (GB)