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(11)

EP 2 885 387 A1

(12)

(43) Date of publication: 24.06.2015 Bulletin 2015/26 (21) Application number: 13751060.8 (22) Date of filing: 14.08.2013

(51) International Patent Classification (IPC):  C10M 145/12(2006.01) C10M 169/04(2006.01) C10N 30/02(2006.01) C10N 40/08(2006.01) C10N 40/25(2006.01) C10M 145/16(2006.01) C10N 20/02(2006.01) C10N 40/04(2006.01) C10N 40/20(2006.01) (86) International application number: PCT/US2013/054865 (87) International publication number: WO 2014/031402 (27.02.2014 Gazette 2014/09)

(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: 20.08.2012 US 201261684876 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventor: BARTON, William R.S. Belper Derby GB (GB) (74) Representative: Mallalieu, Catherine Louise  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)