(19)
(11) EP 2 603 755 A2

(12)

(43) Date of publication:
19.06.2013 Bulletin 2013/25

(21) Application number: 11752365.4

(22) Date of filing: 19.07.2011
(51) International Patent Classification (IPC): 
F25J 3/04(2006.01)
(86) International application number:
PCT/US2011/044460
(87) International publication number:
WO 2012/021263 (16.02.2012 Gazette 2012/07)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 12.08.2010 US 855313

(71) Applicant: Praxair Technology, Inc.
Danbury, CT 06810 (US)

(72) Inventors:
  • PROSSER, Neil, Mark
    Lockport, NY 14094 (US)
  • JIBB, Richard, John
    Wheatfield, NY 14120 (US)
  • SALGE, James, Richard
    Lancaster, NY 14086 (US)
  • ZAMBRANO, Lyda
    Buffalo, NY 14029 (US)
  • WARTA, Andrew, M.
    Wheatfield, NY 14120 (US)

(74) Representative: Schwan - Schwan - Schorer 
Patentanwälte Bauerstrasse 22
80796 München
80796 München (DE)

   


(54) AIR SEPARATION METHOD AND APPARATUS