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. 20, 1982
Filed:
Oct. 25, 1977
Applicant:
Inventors:
John K Arand, Rancho Palos Verdes, CA (US);
Lawrence J Muzio, Laguna Niguel, CA (US);
Donald P Teixeira, Los Altos, CA (US);
Assignee:
Electric Power Research Institute, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423235 ;
Abstract
Method of reducing NO.sub.x in fuel rich combustion effluents is provided comprising introducing urea at temperatures in excess of about 1900.degree. F. in the presence of excess fuel, wherein said urea is introduced either as a solid or solution in amounts sufficient to reduce the NO.sub.x concentration.