EP 0992597 B1 20020724 - Deoxidation of copper melt by gas poling with hydrogen-nitrogen mixture
Title (en)
Deoxidation of copper melt by gas poling with hydrogen-nitrogen mixture
Title (de)
Verfahren zum Polen von Kupfer mit Wasserstoff und Stickstoff
Title (fr)
Désoxidation du cuivre fondu moyennant un mélange gazeux d'hydrogène et d'azote
Publication
Application
Priority
DE 19844667 A 19980929
Abstract (en)
[origin: EP0992597A1] Copper poling process employs a deoxidizing gas mixture of hydrogen and inert gas. Copper poling is carried out using a deoxidizing gas mixture of inert gas (preferably nitrogen) and 35-90 (especially 60-72) volume % hydrogen.
IPC 1-7
IPC 8 full level
C22B 9/05 (2006.01); C22B 15/00 (2006.01); C22B 15/14 (2006.01)
CPC (source: EP)
C22B 9/05 (2013.01); C22B 15/0052 (2013.01); C22B 15/006 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0992597 A1 20000412; EP 0992597 B1 20020724; AT E221135 T1 20020815; DE 19844667 A1 20000330; DE 59902099 D1 20020829; ES 2180245 T3 20030201
DOCDB simple family (application)
EP 99119000 A 19990927; AT 99119000 T 19990927; DE 19844667 A 19980929; DE 59902099 T 19990927; ES 99119000 T 19990927