(19)

(11)

EP 2 558 557 A1

(12)

(43) Date of publication: 20.02.2013 Bulletin 2013/08 (21) Application number: 11716713.0 (22) Date of filing: 11.04.2011

(51) International Patent Classification (IPC):  C10M 133/16(2006.01) C10N 30/04(2006.01) C10N 10/04(2006.01) C10N 40/25(2006.01) (86) International application number: PCT/US2011/031887 (87) International publication number: WO 2011/130142 (20.10.2011 Gazette 2011/42)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 15.04.2010 US 324388 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventors: VILARDO, Jonathan S. Wickliffe, Ohio 44092-2298 (US) MOSIER, Patrick E. Wickliffe, Ohio 44092-2298 (US) (74) Representative: Mallalieu, Catherine Louise  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)