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. 20, 1977
Filed:
May. 13, 1976
Applicant:
Inventors:
Assignee:
Texasgulf Canada Ltd., Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
C25C / ; C22B / ;
U.S. Cl.
CPC ...
204119 ; 75108 ; 75109 ; 75119 ; 423 43 ;
Abstract
Hydrometallurgical process for the recovery of copper arsenate from zinc plant cement copper residues and the use thereof in the purification of zinc electrolyte, with the attendant upgrading of the copper value in the treated cement copper residues.