(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