(19)

(11)

EP 2 454 518 A1

(12)

(43) Date of publication: 23.05.2012 Bulletin 2012/21 (21) Application number: 10730803.3 (22) Date of filing: 14.07.2010

(51) International Patent Classification (IPC):  F17C 9/04(2006.01) (86) International application number: PCT/EP2010/060117 (87) International publication number: WO 2011/006917 (20.01.2011 Gazette 2011/03)

(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: 16.07.2009 EP 09165671 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR The Hague (NL)	(72) Inventor: BECART, Philippe Robert NL-2596 HR The Hague (NL) (74) Representative: Matthezing, Robert Maarten  Shell International B.V. Intellectual Property Services P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)