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:
Sep. 04, 1979
Filed:
Dec. 07, 1977
Applicant:
Inventors:
Jean-Michel Demarthe, Viroflay, FR;
Andre Georgeaux, Rambouillet, FR;
Assignee:
Minemet Recherche, Trappes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ; C22B / ; C22B / ; C22B / ;
U.S. Cl.
CPC ...
75104 ; 75109 ; 75114 ; 75117 ; 75119 ; 75120 ; 423 98 ;
Abstract
A method for the dissolution of non-ferrous metals contained in oxygenated compounds in which the oxygenated compounds are subjected to the action of a ferrous chloride solution and a gas containing oxygen is mixed with the solution.