(19)
(11) EP 1 871 522 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
26.11.2008 Bulletin 2008/48

(45) Mention of the grant of the patent:
15.10.2008 Bulletin 2008/42

(21) Application number: 06761901.5

(22) Date of filing: 24.03.2006
(51) International Patent Classification (IPC): 
B01J 23/00(2006.01)
B01J 23/20(2006.01)
B01J 37/02(2006.01)
C07C 51/215(2006.01)
 B01J 23/28(2006.01)
B01J 23/18(2006.01)
B01J 37/08(2006.01)
C07C 57/04(2006.01)
(86) International application number:
PCT/EP2006/003685
(87) International publication number:
WO 2006/100128 (28.09.2006 Gazette 2006/39)

(54)

PROCESS FOR PREPARING IMPROVED CATALYSTS FOR SELECTIVE OXIDATION OF PROPANE INTO ACRYLIC ACID

VERFAHREN ZUR HERSTELLUNG VERBESSERTER KATALYSATOREN ZUR SELEKTIVEN OXIDIERUNG VON PROPAN ZU ACRYLSÄURE

PROCEDE DE PREPARATION DE CATALYSEURS AMELIORES POUR L'OXYDATION SELECTIVE DE PROPANE EN ACIDE ACRYLIQUE

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 25.03.2005 EP 05290665

(43) Date of publication of application:
02.01.2008 Bulletin 2008/01

(73) Proprietor: Arkema France
92700 Colombes (FR)

(72) Inventors:
  • Dubois, Jean-Luc
    F-69390 Millery (FR)
  • Ueda, Wataru
    Machida-shi Tokyo 194-0044 (JP)
  • Endo, Yusuke
    Ichihara-shi CHIBA 299-0124 (JP)

(74) Representative: Bonnel, Claudine 
ARKEMA FRANCE Département Propriété Industrielle 420, rue d'Estienne d'Orves
92705 Colombes Cedex
92705 Colombes Cedex (FR)


(56) References cited: : 
EP-A- 0 608 838
EP-A- 1 193 240
 EP-A- 0 997 454
   
  • PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06, 30 April 1998 (1998-04-30) & JP 10 028862 A (MITSUBISHI CHEM CORP), 3 February 1998 (1998-02-03) -& JP 10 028862 A (MITSUBISHI CHEM CORP) 3 February 1998 (1998-02-03)
  • VITRY D ET AL: "Mo-V-Te-(Nb)-O mixed metal oxides prepared by hydrothermal synthesis for catalytic selective oxidations of propane and propene to acrylic acid" APPLIED CATALYSIS A: GENERAL, ELSEVIER SCIENCE, AMSTERDAM, NL, vol. 251, no. 2, 30 September 2003 (2003-09-30), pages 411-424, XP004458147 ISSN: 0926-860X
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).