(19)

(11)

EP 1 869 382 A1

(12)

(43) Date of publication: 26.12.2007 Bulletin 2007/52 (21) Application number: 06725670.1 (22) Date of filing: 10.04.2006

(51) International Patent Classification (IPC):  F25J 1/02(2006.01) (86) International application number: PCT/EP2006/061470 (87) International publication number: WO 2006/108821 (19.10.2006 Gazette 2006/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 12.04.2005 EP 05102884 (71) Applicant: SHELL INTERNATIONAL RESEARCH MAATSCHAPPIJ B.V. 2596 HR Den Haag (NL)	(72) Inventors: BUIJS, Cornelis 2596 HR The Hague (NL) DAM, Willem 2596 HR The Hague (NL) DE JONG, Emilius Carolus Joanes Nicolaas 2596 HR The Hague (NL) (74) Representative: Zeestraten, Albertus W. J.  Shell International B.V., Intellectual Property Services, P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)