(19)

(11)

EP 2 516 602 A1

(12)

(43) Date of publication: 31.10.2012 Bulletin 2012/44 (21) Application number: 10798666.3 (22) Date of filing: 15.12.2010

(51) International Patent Classification (IPC):  C10L 1/22(2006.01) C10L 10/08(2006.01) (86) International application number: PCT/US2010/060457 (87) International publication number: WO 2011/084457 (14.07.2011 Gazette 2011/28)

(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: 21.12.2009 US 288463 P (71) Applicant: BP Corporation North America Inc. Houston, TX 77079 (US)	(72) Inventor: ALEXANDER, Bruce, D. Naperville, IL 60563 (US) (74) Representative: Hamer, Christopher K. et al Mathys & Squire LLP 120 Holborn London EC1N 2SQ London EC1N 2SQ (GB)