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. 10, 1979
Filed:
Mar. 06, 1978
Applicant:
Inventors:
Assignee:
Kyushu Refractories Co., Ltd., Bizen, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
252440 ; 2524 / ; 4232135 ; 423239 ;
Abstract
Disclosed is a substance which is obtained by coating the surface of a specific iron-containing substance, through a specific procedure, with a material composed mainly of aluminum sulfate. The substance thus produced is useful as a catalyst for the removal of nitrogen oxides from an exhaust gas.
Watanabe, Akira. (1979). Catalyst for reduction of nitrogen oxides and method for manufacture (U.S. Patent No. 4160744). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4160744
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile