The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 11, 1976

Filed:

Apr. 04, 1974
Applicant:
Inventors:

Udo Putzier, Neubeckum, DT;

Dietrich Radke, Essen, DT;

Heinrich-Otto Rossner, Essen, DT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 52 ; 75 60 ;
Abstract

The present invention relates to a) a method for refining metal in which, e.g., oxygen and fine lime are introduced through at least one nozzle disposed below a molten bath surface in the refining vessel and a gas is fed in through one or a plurality of further nozzles associated with each first nozzle and to b) an apparatus for practicing the method.


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