(19)
(11) EP 2 788 700 A2

(12)

(43) Date of publication:
15.10.2014 Bulletin 2014/42

(21) Application number: 12794600.2

(22) Date of filing: 14.11.2012
(51) International Patent Classification (IPC): 
F25J 3/04(2006.01)
(86) International application number:
PCT/US2012/065001
(87) International publication number:
WO 2013/085679 (13.06.2013 Gazette 2013/24)
(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: 05.12.2011 US 201113311038
12.11.2012 US 201213674393

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

(72) Inventors:
  • HOWARD, Henry, Edward
    Grand Island, NY 14072 (US)
  • WATT, Mathew, R.
    Grand Island, NY 14072 (US)
  • BERGMAN, Thomas, J.
    Clarence Center, NY 14032 (US)

(74) Representative: Schwan Schorer & Partner mbB 
Patentanwälte Bauerstrasse 22
80796 München
80796 München (DE)

   


(54) AIR SEPARATION METHOD AND APPARATUS