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. 28, 1999
Filed:
Nov. 21, 1996
Applicant:
Inventors:
Stanley C Siu, Castro Valley, CA (US);
James W Evans, Piedmont, CA (US);
Assignee:
The Regents of the University of California, Oakland, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25C / ; C25D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
205602 ; 205603 ; 205144 ; 205145 ; 205148 ;
Abstract
Zinc metal is deposited from an alkali electrolyte solution onto conductive seed particles in an electrowinning process which yields unusually high current efficiency and low energy consumption.