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:
Dec. 21, 1976
Filed:
Feb. 26, 1975
Applicant:
Inventors:
Louis Gandon, Rambouillet, F;
Jean-Michel Demarthe, Viroflay, F;
Alain Alexandre Sonntag, Maurepas, F;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ; C22B / ; C22B / ; C22B / ;
U.S. Cl.
CPC ...
75104 ; 7510 / ; 75112 ; 75114 ; 75117 ; 7511 / ; 75120 ; 423 40 ; 423 98 ; 423109 ;
Abstract
A method for selectively dissolving non-ferrous metals contained in pyritic ores by the steps of crushing the ores, introducing the crushed ore at a temperature above the ambient temperature into a reaction vessel containing a solution of chlorides of a metal having two valance states, and injecting gaseous chlorine into the reaction vessel at a rate such that the oxido-reduction potential of the solution of chlorides remains between 400 and 700 mv during the operation.
Gandon, Louis. (1976). Method for selectively dissolving non-ferrous metals contained in (U.S. Patent No. 3998628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3998628
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile