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:
Mar. 07, 2000
Filed:
May. 27, 1998
Applicant:
Inventor:
James H White, Boulder, CO (US);
Assignee:
Electric Power Research Institute, Inc., Palo Alto, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01J / ; B01J / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
423210 ; 423212 ; 4232132 ; 4232135 ; 423219 ; 423224 ; 423230 ; 423235 ; 4232391 ; 502300 ; 502311 ; 502312 ; 502313 ; 502314 ; 502315 ; 502316 ; 502317 ;
Abstract
The method for the reagentless removal of nitrogen oxides from oxygen rich exhaust streams which includes impinging the exhaust gases upon a catalyst which includes a Lewis base metal cation, bismuth oxide and a mixture of transition metal cations.