(19)
(11) EP 1 625 288 A1

(12)

(43) Date of publication:
15.02.2006 Bulletin 2006/07

(21) Application number: 04731886.0

(22) Date of filing: 10.05.2004
(51) International Patent Classification (IPC): 
F01N 3/20(1980.01)
 F02D 41/40(1985.01)
(86) International application number:
PCT/EP2004/004977
(87) International publication number:
WO 2004/104389 (02.12.2004 Gazette 2004/49)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 22.05.2003 DE 10323245

(71) Applicant: Umicore AG & Co. KG
63457 Hanau-Wolfgang (DE)

(72) Inventors:
  • GIESHOFF, Jürgen
    63599 Biebergemünd (DE)
  • LOX, Egbert
    36355 Hochwaldhausen (DE)
  • NEUHAUSEN, Ulrich
    47807 Krefeld (DE)
  • PFEIFER, Marcus
    42719 Solingen (DE)
  • KREUZER, Thomas
    61184 Karben (DE)

(74) Representative: Vossius & Partner 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) METHOD OF PURIFYING THE EXHAUST GAS OF A DIESEL ENGINE BY MEANS OF A DIESEL OXIDATION CATALYST