Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate
2006-06-08
2010-10-26
Wyszomierski, George (Department: 1793)
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
C075S633000, C075S629000, C075S640000, C075S643000, C075S655000, C075S695000
Reexamination Certificate
active
07819941
ABSTRACT:
The invention relates to a method for reducing and/or refining a metal-containing slag. The aim of the invention is to improve reduction of the slag. For this purpose, calcium carbide (CaC2) is added to the slag as the reducing agent.
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Araya Roberto Marcelo Parada
Borgwardt Dieter
Degel Rolf
Kunze Jürgen
Rivera Marco Antonio Caceres
Lucas & Mercanti LLP
McGuthry-Banks Tima M
SMS Siemag Aktiengesellschaft
Stoffel Klaus P.
Wyszomierski George
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