Global Patent Index - EP 1162281 A1

EP 1162281 A1 2001-12-12 - Continous single stage process for the production of molybdenum metal

Title (en)

Continous single stage process for the production of molybdenum metal

Title (de)

Kontinuierliches Einstufenverfahren zur Herstellung metallisches Molybdäns

Title (fr)

Procédé en une étape et en continu pour la production de molybdène métallique

Publication

EP 1162281 A1 (EN)

Application

EP 01112967 A

Priority

US 21050100 P

Abstract (en)

Molybdenum trioxide or ammonium dimolybdate is reduced to molybdenum metal as it passes through an atmosphere of hydrogen in a multi-zoned thermally profiled rotating tube furnace.

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

C22B 34/34

IPC 8 full level (invention and additional information)

C22B 5/12 (2006.01); C22B 34/34 (2006.01)

CPC (invention and additional information)

C22B 34/34 (2013.01); C22B 5/12 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

EP 1162281 A1 20011212

INPADOC legal status


2005-07-06 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20050103

2002-09-04 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2001-12-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010705

2001-12-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2001-12-12 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI