(19)

(11)

EP 2 744 994 A1

(12)

(43) Date of publication: 25.06.2014 Bulletin 2014/26 (21) Application number: 12850651.6 (22) Date of filing: 12.11.2012

(51) International Patent Classification (IPC):  F02C 6/18(2006.01) F01K 23/14(2006.01) F02C 3/22(2006.01) F01K 23/08(2006.01) (86) International application number: PCT/US2012/064630 (87) International publication number: WO 2013/074439 (23.05.2013 Gazette 2013/21)

(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: 15.11.2011 US 201161559846 P (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR Den Haag (NL)	(72) Inventors: TAYLOR, Richard, Bruce Sugar Land, Texas 77479 (US) MILAM, Stanley, Nemec Houston, Texas 77055 (US) (74) Representative: Matthezing, Robert Maarten et al Shell International B.V. Intellectual Property Services P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)