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. 05, 2000
Filed:
Nov. 17, 1995
Applicant:
Inventors:
John Leo Haslbeck, Pittsburgh, PA (US);
Warren Tzu Ma, Pittsburgh, PA (US);
James Brown Black, III, Elizabeth, PA (US);
Assignee:
Noxso Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
4232391 ;
Abstract
Process and apparatus which increase the concentration of NO.sub.x in an off-gas stream of heated air carrying NO.sub.x removed or desorbed from sorbent, feed the off-gas stream into NO.sub.x reduction apparatus, or to nitrogen by-product producing apparatus, and maintain the volume of the off-gas stream substantially constant as the NO.sub.x concentration is being increased.