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:
Mar. 25, 1980
Filed:
Aug. 04, 1978
Applicant:
Inventors:
George S Foerster, Hightstown, NJ (US);
Harold A Stuhler, Brown Mills, NJ (US);
Assignee:
N L Industries, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 78 ; 75 24 ; 75 63 ; 75 69 ; 423 88 ; 423617 ;
Abstract
Purified lead and antimony oxide are produced from antimonial lead alloys by oxidation of the molten alloy to form purified metallic lead and a slag of lead oxides and antimony oxides, separation of the metal and slag, and subsequent partial reduction and fuming of the slag to produce pure antimony oxide.