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EP 2 462 212 A1

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(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 10744628.8 (22) Date of filing: 28.07.2010

(51) International Patent Classification (IPC):  C10M 141/06(2006.01) C10N 40/25(2006.01) C10M 169/04(2006.01) C10N 30/04(2006.01) (86) International application number: PCT/US2010/043490 (87) International publication number: WO 2011/017148 (10.02.2011 Gazette 2011/06)

(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 SE SI SK SM TR (30) Priority: 06.08.2009 US 231694 P (71) Applicant: The Lubrizol Corporation Wickliffe, OH 44092-2298 (US)

(72) Inventors: BARTON, William, R., S. Belper Derby DE56 1QN (GB) COOK, Stephen, J. Belper Derby DE56 1QN (GB) SACCOMANDO, Daniel, J. Belper Derby DE56 1QN (GB) MAYHEW, Alexandra Belper Derby DE56 1QN (GB) JONES, Joanne, L. Belper Derby DE56 1QN (GB) CARNEY, Shaun, P. Belper Derby DE56 1QN (GB) (74) Representative: Mallalieu, Catherine Louise et al D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)