(19)

(11)

EP 2 113 022 A2

(12)

(88) Date of publication A3: 02.10.2008 (43) Date of publication: 04.11.2009 Bulletin 2009/45 (21) Application number: 08728199.4 (22) Date of filing: 24.01.2008

(51) International Patent Classification (IPC):  C10M 107/34(2006.01) C10M 145/36(2006.01) C10M 145/34(2006.01) C10M 169/04(2006.01) (86) International application number: PCT/US2008/051898 (87) International publication number: WO 2008/094812 (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: 29.01.2007 US 886973 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventor: BUSH, James H. Wickliffe, Ohio 44092-2298 (US) (74) Representative: Bradley, Josephine Mary  D Young & Co 120 Holborn London EC1N 2DY 120 Holborn London EC1N 2DY (GB)