(19)

(11)

EP 1 861 665 A2

(12)

(43) Date of publication: 05.12.2007 Bulletin 2007/49 (21) Application number: 05730019.6 (22) Date of filing: 24.03.2005

(51) International Patent Classification (IPC):  F25B 39/02(2006.01) (86) International application number: PCT/US2005/009861 (87) International publication number: WO 2006/104476 (05.10.2006 Gazette 2006/40)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (71) Applicant: UOP LLC Des Plaines, IL 60017-5017 (US)	(72) Inventors: TAGAMOLILA, Constante P. Arlington Heights, IL 60004 (US) O'DRISCOLL, F. Joseph Arlington Heights, IL 60004 (US) (74) Representative: Chung, Hsu Min  Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)