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(11)

EP 2 758 498 A1

(12)

(43) Date of publication: 30.07.2014 Bulletin 2014/31 (21) Application number: 12758943.0 (22) Date of filing: 29.08.2012

(51) International Patent Classification (IPC):  C10L 1/2383(2006.01) C10L 1/238(2006.01) C10L 10/18(2006.01) C10L 1/2387(2006.01) C10L 10/00(2006.01) C10L 1/14(2006.01) (86) International application number: PCT/US2012/052784 (87) International publication number: WO 2013/043332 (28.03.2013 Gazette 2013/13)

(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: 23.09.2011 US 201161538169 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)	(72) Inventors: BUSH, James H. Wickliffe, Ohio 44092-2298 (US) HARRISON, Sarah J. Belper Derby DE56 1QN (GB) ARTERS, David C. Wickliffe, Ohio 44092-2298 (US) (74) Representative: Mallalieu, Catherine Louise  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)