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(11)

EP 2 931 851 A1

(12)

(43) Date of publication: 21.10.2015 Bulletin 2015/43 (21) Application number: 13808399.3 (22) Date of filing: 03.12.2013

(51) International Patent Classification (IPC):  C10M 159/24(2006.01) C10N 10/04(2006.01) C10N 30/02(2006.01) C10N 30/06(2006.01) C10N 10/02(2006.01) C10N 20/02(2006.01) C10N 30/04(2006.01) C10N 40/25(2006.01) (86) International application number: PCT/US2013/072729 (87) International publication number: WO 2014/099342 (26.06.2014 Gazette 2014/26)

(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 Designated Extension States: BA ME (30) Priority: 17.12.2012 US 201261737867 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventors: COOK, Stephen J. Belper Derby DE56 1QN (GB) FRIEND, Christopher L. Wickliffe, Ohio 44092-2298 (US) WALKER, Gary M. Belper Derby DE56 1QN (GB) DOHNER, Brent R. Wickliffe, Ohio 44092-2298 (US) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)