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:
Jan. 27, 2004
Filed:
Jan. 16, 2002
Applicant:
Inventors:
John Peter Hobbs, Lansdale, PA (US);
James Francis Heffron, Orwigsburg, PA (US);
Zbigniew Zurecki, Macungie, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 9/05 ;
U.S. Cl.
CPC ...
C22B 9/05 ;
Abstract
An improved method of processing both primary and secondary nonferrous metal and alloys of said metals using a refining gas is provided. The improvement involves refining said non-ferrous metal and alloys with a gaseous mixture including at least one compound selected from the group consisting of ClF , ClF, COF , F COF, CF (OF) , SO F , NF , SO ClF, SOF , SOF , NOF, F and SF .