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:
Apr. 22, 1980

Filed:

Aug. 23, 1978
Applicant:
Inventors:

Takuji Itoh, Sayama, JP;

Satoshi Sakurada, Omiya, JP;

Nobuaki Tagaya, Kawagoe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423239 ;
Abstract

Nitrogen oxides are removed from gaseous mixtures comprising the same by contacting with a catalyst comprising a base metal component carried on a silica-alumina base in the presence of ammonia.


Find Patent Forward Citations

Loading…