(19)

(11)

EP 1 766 312 A1

(12)

(43) Date of publication: 28.03.2007 Bulletin 2007/13 (21) Application number: 05769936.5 (22) Date of filing: 12.07.2005

(51) International Patent Classification (IPC):  F25J 3/02(2006.01) (86) International application number: PCT/EP2005/053319 (87) International publication number: WO 2006/005748 (19.01.2006 Gazette 2006/03)

(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: 12.07.2004 EP 04254152 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR The Hague (NL)	(72) Inventors: BUIJS, Cornelis NL-2596 HR The Hague (NL) KLEIN NAGELVOORT, Robert NL-2596 HR The Hague (NL) PEK, Johan Jan Barend NL-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)