(19)

(11)

EP 1 848 945 A2

(12)

(88) Date of publication A3: 30.11.2006 (43) Date of publication: 31.10.2007 Bulletin 2007/44 (21) Application number: 06708273.5 (22) Date of filing: 15.02.2006

(51) International Patent Classification (IPC):  F25J 1/02(2006.01) (86) International application number: PCT/EP2006/050937 (87) International publication number: WO 2006/087330 (24.08.2006 Gazette 2006/34)

(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: 17.02.2005 EP 05101200 (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) (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)