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:
Oct. 05, 1993
Filed:
May. 22, 1992
Applicant:
Inventors:
George T Sperl, Bartlesville, OK (US);
Donald O Hitzman, Bartlesville, OK (US);
Assignee:
Geo-Microbial Technologies, Inc., Ochelata, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; C01G / ; C01G / ;
U.S. Cl.
CPC ...
502-7 ; 423 53 ; 423 54 ; 423 68 ; 423 87 ; 423 98 ; 4231501 ; 423D / ; 435262 ; 435874 ; 502 12 ; 502 20 ; 502 26 ; 502 29 ; 502 33 ;
Abstract
A method of releasing metals from catalysts in a form that is readily recoverable using denitrifying bacteria is disclosed. The method can be used to regenerate catalysts and to recover metals from catalysts, especially molybdenum and nickel.