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.
Patent No.:
Date of Patent:
Apr. 07, 2009
Filed:
Jan. 20, 2003
Applicant:
Philippe Liebaert, Rosult, FR;
Inventor:
Philippe Liebaert, Rosult, FR;
Assignee:
Delachaux S.A., Gennevilliers, FR;
Primary Examiner:
Int. Cl.
CPC ...
B22F 9/22 (2006.01); C22B 34/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
In the method of producing metals or metal alloys of high purity, in particular metallic chromium, granules of metal containing non-metallic inclusions and a reducing agent are treated under predetermined conditions of temperature and pressure so that the reducing agent reacts on the inclusions. During the treatment, the granules () are placed in a crucible () having an opening (), and a wall () presenting at least one orifice ().