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:
May. 29, 1984
Filed:
Sep. 15, 1982
Applicant:
Inventors:
John Hill, Sandton, ZA;
Joseph G Day, Holmer Green, GB;
Assignee:
Matthey Rustenburg Refiners (Proprietary) Limited, Johannesburg, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 63 ; 75 83 ;
Abstract
A process for the recovery of platinum group metals, Ag and Au from a precious metal containing residue which includes the platinum group metals, Ag and Au together with Fe, Cu, Ni, Se and Te, the process comprising the following steps:
Hill, John. (1984). Recovery of platinum group metals from scrap and residues (U.S. Patent No. 4451290). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4451290
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile