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:
Apr. 12, 1994
Filed:
Jan. 21, 1993
Applicant:
Inventors:
Gerben B De Boer, Amsterdam, NL;
Melis Hasselaar, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75426 ; 423 22 ;
Abstract
The invention relates to a process for recovering a precious metal, particularly palladium, from a non-aqueous effluent comprising the metal and dissolved salt and/or polyether contaminants, wherein the effluent is contacted with a reduction agent, the precious metal is deposited onto a carrier, preferably comprising a combustible carbonaceous material, and the metal loaded carrier is separated from the effluent.