Global Patent Index - EP 1071507 A1

EP 1071507 A1 2001-01-31 - MULTI-METAL OXIDE COMPOUNDS WITH A TWO-PHASE STRUCTURE

Title (en)

MULTI-METAL OXIDE COMPOUNDS WITH A TWO-PHASE STRUCTURE

Title (de)

MULTIMETALLOXIDMASSEN MIT EINER ZWEI-PHASIGEN STRUKTUR

Title (fr)

COMPOSITIONS D'OXYDES MULTIMETALLIQUES A STRUCTURE A DEUX PHASES

Publication

EP 1071507 A1 (DE)

Application

EP 99919145 A

Priority

  • DE 19815280 A
  • EP 9902083 W

Abstract (en)

[origin: DE19815280A1] The invention relates to multi-metal oxide compounds with a 2-component structure, containing molybdenum, vanadium, antimony, one or more of the elements W, Nb, Ta, Cr and Ce and one or more of the elements Cu, Zn, Co, Fe, Cd, Mn, Mg, Ca, Sr and Ba. The invention also relates to the use of said compounds for producing acrylic acid by means of a gas phase catalytic oxidation process.

IPC 1-7 (main, further and additional classification)

B01J 23/887; C07C 51/25

IPC 8 full level (invention and additional information)

C01G 39/00 (2006.01); B01J 23/88 (2006.01); B01J 23/887 (2006.01); B01J 35/00 (2006.01); C01G 1/02 (2006.01); C01G 30/02 (2006.01); C07B 61/00 (2006.01); C07C 51/25 (2006.01); C07C 57/055 (2006.01)

CPC (invention and additional information)

C01G 30/02 (2013.01); B01J 23/002 (2013.01); B01J 23/8877 (2013.01); B01J 35/0006 (2013.01); C01G 1/02 (2013.01); C07C 51/252 (2013.01); B01J 2523/00 (2013.01); C01P 2006/12 (2013.01)

Combination set (CPC)

  1. C07C 51/252 + C07C 57/04
  2. B01J 2523/00 + B01J 2523/17 + B01J 2523/53 + B01J 2523/55 + B01J 2523/68 + B01J 2523/69

Citation (search report)

See references of WO 9951342A1

Designated contracting state (EPC)

BE DE FR NL

EPO simple patent family

DE 19815280 A1 19991007; AU 3702499 A 19991025; BR 9909453 A 20001212; CN 1112968 C 20030702; CN 1295498 A 20010516; CN 1515353 A 20040728; EP 1071507 A1 20010131; JP 2002510545 A 20020409; US 6737545 B1 20040518; WO 9951342 A1 19991014

INPADOC legal status


2004-09-15 [18W] WITHDRAWN

- Effective date: 20040723

2003-04-16 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030226

2001-01-31 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000901

2001-01-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE DE FR NL