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:
Jul. 28, 2009
Filed:
Sep. 07, 2004
Applicant:
Paolo Brunengo, Lugano, CH;
Inventor:
Paolo Brunengo, Lugano, CH;
Assignee:
Urea Casale S.A., , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the removal of nitrogen oxides contained in combustion flue gas through treatment with gaseous ammonia, in which the gaseous ammonia is generated in situ by hydrolysis reaction of an aqueous urea solution (L) whereby the ammonia generated by the hydrolysis (L) is accumulated in gaseous state, under pressure, in an accumulator (A).