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. 07, 1993
Filed:
Dec. 17, 1990
Applicant:
Inventors:
David C Grant, Gibsonia, PA (US);
Michael C Skriba, Newport Beach, CA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 251 ; 134 42 ; 210688 ; 423 24 ;
Abstract
A process for removing metal from a solid material includes the steps of admixing the metal containing solid (10) with an aqueous liquid (26) and particles of ion exchange material (28) having a strong affinity for metal in a mixer (24), to form a slurry, allowing the slurry materials to interact, and removing the ion exchange material loaded with metal (32) from the solid.