(19)
(11) EP 2 126 501 A2

(12)

(88) Date of publication A3:
24.12.2008

(43) Date of publication:
02.12.2009 Bulletin 2009/49

(21) Application number: 08731689.9

(22) Date of filing: 07.03.2008
(51) International Patent Classification (IPC): 
F25J 3/04(2006.01)
(86) International application number:
PCT/US2008/056239
(87) International publication number:
WO 2008/112556 (18.09.2008 Gazette 2008/38)
(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

(30) Priority: 09.03.2007 US 716493

(71) Applicant: Praxair Technology, Inc.
Danbury, CT 06810-5113 (US)

(72) Inventor:
  • HOWARD, Henry, Edward
    Grand Island, NY 14072 (US)

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

   


(54) NITROGEN PRODUCTION METHOD AND APPARATUS