(19)

(11)

EP 2 649 167 A1

(12)

(43) Date of publication: 16.10.2013 Bulletin 2013/42 (21) Application number: 11799913.6 (22) Date of filing: 06.12.2011

(51) International Patent Classification (IPC):  C10M 161/00(2006.01) C10N 10/04(2006.01) C10N 40/25(2006.01) C10N 10/02(2006.01) C10N 30/04(2006.01) C10N 40/26(2006.01) (86) International application number: PCT/US2011/063425 (87) International publication number: WO 2012/078572 (14.06.2012 Gazette 2012/24)

(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: 10.12.2010 US 421764 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventors: HUANG, Chor Wickliffe OH 44092-2298 (US) PRICE, David Belper Derby DE56 1QN (GB) KELLEY, Jack Wickliffe OH 44092-2298 (US) (74) Representative: Mallalieu, Catherine Louise  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)