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. 02, 1993
Filed:
Jan. 03, 1991
Applicant:
Inventors:
Joseph R Weber, Rochester, NY (US);
Ronald E Bilak, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25C / ;
U.S. Cl.
CPC ...
204252 ; 204260 ; 204261 ; 204263 ; 204264 ; 204265 ; 204272 ; 204273 ; 204276 ; 204277 ; 204212 ;
Abstract
An apparatus and method for electrowinning metal from particulate waste metal material is provided whereby waste metal material is mixed with an electrolyte to form a suspension. The suspension is separated into portions. A first portion enters the anodic compartment and a second portion is filtered and enters the cathodic compartment where metal is electrowon onto a rotating cathode.