(19)
(11) EP 1 448 942 A1

(12)

(43) Date of publication:
25.08.2004 Bulletin 2004/35

(21) Application number: 02767510.7

(22) Date of filing: 09.10.2002
(51) International Patent Classification (IPC)7: F25J 3/04
(86) International application number:
PCT/FI2002/000790
(87) International publication number:
WO 2003/038359 (08.05.2003 Gazette 2003/19)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 10.10.2001 FI 20011969

(71) Applicants:
  • Nurmia, Matti
    40500 Jyväskylä (FI)
  • Nurmia, Wendie
    40500 Jyväskylä (FI)

(72) Inventor:
  • NURMIA, Matti
    FIN-40500 Jyväskylä (FI)

(74) Representative: Helke, Kimmo Kalervo 
Kespat Oy,P.O. Box 601
40101 Jyväskylä
40101 Jyväskylä (FI)

   


(54) PROCESS OPERATING AT NORMAL PRESSURE FOR PRODUCING OXYGEN OR AIR ENRICHED WITH OXYGEN