(19)

(11)

EP 2 179 235 A2

(12)

(43) Date of publication: 28.04.2010 Bulletin 2010/17 (21) Application number: 08762994.5 (22) Date of filing: 16.06.2008

(51) International Patent Classification (IPC):  F25J 3/02(2006.01) (86) International application number: PCT/IB2008/001742 (87) International publication number: WO 2008/155653 (24.12.2008 Gazette 2008/52)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 19.06.2007 US 764975 (71) Applicant: Air Products and Chemicals, Inc. Allentown, PA 18195-1501 (US)	(72) Inventor: BROSTOW, Adam, Adrian Emmaus, PA 18949 (US) (74) Representative: Burford, Anthony Frederick et al Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)