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:
Feb. 12, 1991
Filed:
Jul. 16, 1990
Applicant:
Inventor:
Trong T Nguyen, Onex, CH;
Assignee:
Recytec S.A., , CH;
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25C / ;
U.S. Cl.
CPC ...
204 96 ; 204114 ;
Abstract
A process for the simultaneous electrolytic production of manganese dioxide and zinc from a mixture, preferably waste material consisting of spent batteries and other electronic components, contains various manganese oxides and zinc in various chemical forms, wherein the mixture is leached with an acidic solvent comprising tetrafluoroboric acid and, preferably, a reducing agent and boric acid, and subjected to an electrolysis in which zinc is plated on the cathode and manganese dioxide is plated on the anode.