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.

Date of Patent:
Dec. 10, 2002

Filed:

Jun. 28, 2000
Applicant:
Inventors:

Kikuo Tokunaga, Nagasaki-ken, JP;

Nobuaki Murakami, Nagasaki-ken, JP;

Toshiaki Ohkubo, Nagasaki-ken, JP;

Shuya Nagayama, Nagasaki-ken, JP;

Osamu Naito, Nagasaki-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 5/353 ;
U.S. Cl.
CPC ...
B01D 5/353 ;
Abstract

An ammonia generating method characterized by generating ammonia by the contact hydrolysis of urea by contacting at 200° C. or more an aqueous solution of urea with a contact hydrolysis catalyst containing at least one selected from the group consisting of hydroxides, carbonates, and silicates of alkaline metals as the main component, and a combusted exhaust gas processing method using the ammonia generated by the method.


Find Patent Forward Citations

Loading…