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. 17, 1985
Filed:
Jul. 25, 1983
Applicant:
Inventors:
Allan S Myerson, Marietta, GA (US);
William R Ernst, Roswell, GA (US);
Assignee:
Georgia Tech Research Institute, Atlanta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; C22B / ; C12D / ;
U.S. Cl.
CPC ...
502 25 ; 7510 / ; 75104 ; 208113 ; 2082 / ; 435262 ; 502 27 ; 502 31 ; 502516 ;
Abstract
Spent catalysts containing metal impurities are treated by a process comprising treating the spent catalyst with a solution containing oxidizing ferric ion and/or oxidizing bacteria, thereby freeing said spent catalyst of said metal impurities.