EP 0132073 A2 19850123 - Process for producing metallic niobium or metallic tantalum.
Title (en)
Process for producing metallic niobium or metallic tantalum.
Title (de)
Verfahren zur Herstellung von metallischem Niob oder Tantal.
Title (fr)
Procédé de préparation de niobium ou de tantale métallique.
Publication
Application
Priority
JP 12699583 A 19830714
Abstract (en)
Metallic niobium or metallic tantalum is produced by a process which comprises bringing a fluorine containing compound of niobium or tantalum: (A) into contact with a gas comprising hydrogen at a temperature of at least 400 DEG C; or (B) into contact with metallic aluminium, metallic magnesium or metallic lead, at a temperature of at least 300 DEG C; to convert the fluorine containing compound into the corresponding metal.
IPC 1-7
IPC 8 full level
C22B 34/20 (2006.01); B22F 9/28 (2006.01); C22B 5/04 (2006.01); C22B 5/12 (2006.01); C22B 34/24 (2006.01)
CPC (source: EP)
B22F 9/28 (2013.01); C22B 5/04 (2013.01); C22B 5/12 (2013.01); C22B 34/24 (2013.01)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0132073 A2 19850123; EP 0132073 A3 19861230; AU 3049684 A 19850117; BR 8403514 A 19850625; JP S6021343 A 19850202
DOCDB simple family (application)
EP 84304461 A 19840629; AU 3049684 A 19840711; BR 8403514 A 19840713; JP 12699583 A 19830714