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:
Apr. 29, 2003
Filed:
Mar. 12, 2001
Applicant:
Inventor:
Yasuo Ohtsuka, Sendai, JP;
Assignee:
President of Tohoku University, Sendai, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 2/102 ; B01J 2/300 ;
U.S. Cl.
CPC ...
C01B 2/102 ; B01J 2/300 ;
Abstract
The present invention provides a method of decomposing an ammonia gas, including the step of decomposing an ammonia gas, into a nitrogen gas with use of a composite material as a catalyst. The composite material has a carrier made mainly of carbon and at least one kind of an active element which is supported by the carrier and selected from alkaline earth metals and transition metals.