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:
Dec. 28, 1976

Filed:

Apr. 22, 1975
Applicant:
Inventor:

Hans G Brandstatter, Welland, C;

Assignee:

Ontario Research Foundation, Sheridan Park, C;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 84 ; 423 53 ; 423440 ;
Abstract

Metal values present as oxides, hydroxides or carbonates in ores or processed concentrates thereof are converted to the corresponding carbide by a solid state reaction with carbon, the carbide then is separated in substantially pure form and may be used directly as ferroalloy or may be converted to the metal.


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Brandstatter, Hans. (1976). Production and recovery of metallic carbides from ores and concentrates (U.S. Patent No. 3999981). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3999981

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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