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:
Aug. 29, 1978
Filed:
Aug. 01, 1977
Applicant:
Inventors:
Mahesh C Jha, Arvada, CO (US);
Gordon R Wicker, Lakewood, CO (US);
Gustavo A Meyer, Arvada, CO (US);
Assignee:
Amax Inc., Greenwich, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423141 ; 423566 ;
Abstract
A method for efficiently precipitating nickel sulfide from an acidic nickel sulfate solution having a pH between 1.5 and 4, containing about 1 to 40 gpl nickel, optionally containing cobalt, and containing sufficient inert soluble sulfate salt to buffer the solution during the precipitation of nickel sulfide at relatively low temperature and pressure.