(19)

(11)

EP 2 569 403 A1

(12)

(43) Date of publication: 20.03.2013 Bulletin 2013/12 (21) Application number: 11720362.0 (22) Date of filing: 06.05.2011

(51) International Patent Classification (IPC):  C10M 133/16(2006.01) C10N 30/06(2006.01) (86) International application number: PCT/US2011/035442 (87) International publication number: WO 2011/143051 (17.11.2011 Gazette 2011/46)

(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: 12.05.2010 US 333770 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventor: DAVIES, Mark C. Belper Derby DE56 1QN (GB) (74) Representative: Mallalieu, Catherine Louise  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)