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:
Dec. 12, 1978
Filed:
Feb. 07, 1977
Applicant:
Inventors:
Wasyl Kunda, Edmonton, CA;
Roderick H Hitesman, Fort Saskatchewan, CA;
Assignee:
Sherritt Gordon Mines Limited, Toronto, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
7511 / ; 75 / ; 75108 ;
Abstract
Silver is precipitated from an aqueous sulphate solution containing dissolved silver and other metals at a temperature between about 60.degree. C. and about 125.degree. C. by hydrogen gas at a partial pressure between about 2 and about 5 kg/cm.sup.2.