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:
May. 28, 1991
Filed:
Apr. 30, 1990
Applicant:
Inventors:
George Houlachi, Kirkland, CA;
Terry J Murphy, Pierrefonds, CA;
Jean-Pierre St-Onge, Valleyfield, CA;
Daniel Daoust, Ormstown, CA;
Assignee:
Noranda Inc., Toronto, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23G / ;
U.S. Cl.
CPC ...
134-3 ; 134 41 ; 204114 ; 156665 ; 156292 ;
Abstract
A chemical treatment of an aluminum cathode used in zinc electrowinning consists of contacting the affected areas of the aluminum cathode or the entire surface of the cathode with a dilute hydrochloric acid aqueous solution.
Houlachi, George. (1991). Chemical treatment of aluminum cathodes in zinc electrowinning (U.S. Patent No. 5019172). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5019172
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile