(19)

(11)

EP 2 044 182 A2

(12)

(88) Date of publication A3: 26.06.2008 (43) Date of publication: 08.04.2009 Bulletin 2009/15 (21) Application number: 07812819.6 (22) Date of filing: 12.07.2007

(51) International Patent Classification (IPC):  C10M 161/00(2006.01) C10M 175/00(2006.01) B01J 13/00(2006.01) C10M 169/04(2006.01) C10N 40/25(2006.01) (86) International application number: PCT/US2007/073300 (87) International publication number: WO 2008/008864 (17.01.2008 Gazette 2008/03)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 12.07.2006 US 456932 (71) Applicant: The Lubrizol Corporation Wickliffe OH 44092-2298 (US)

(72) Inventors: BURRINGTON, James, D. Wickliffe, OH 44092-2298 (US) PUDELSKI, John, K. Wickliffe, OH 44092-2298 (US) BARDASZ, Ewa, A. Wickliffe, OH 44092-2298 (US) INEMAN, Jennifer, M. Sparganburg, SC 29303 (US) GARVIN, Gary, A. Wickliffe, OH 44092-2298 (US) VAN LIER, Frank, M. Wickliffe, OH 44092-2298 (US) SKURSHA, David, B. Wickliffe, OH 44092-2298 (US) (74) Representative: Bradley, Josephine Mary  D Young & Co 120 Holborn London EC1N 2DY 120 Holborn London EC1N 2DY (GB)