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:
May. 09, 1978
Filed:
Sep. 07, 1976
Applicant:
Inventors:
Katuaki Kosaka, Hidaka, JA;
Zene Ueno, Fuchu, JA;
Seizo Ishikura, Sayama, JA;
Atushi Chida, Sayama, JA;
Assignee:
Nissan Motor Company, Limited, Yokohama, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; C01B / ;
U.S. Cl.
CPC ...
2328 / ; 23281 ; 2328 / ; 2328 / ; 4819 / ; 123 / ; 123-3 ; 123D / ; 4236 / ; 252373 ;
Abstract
A plurality of catalysts are arranged in a desirable order based on the temperature gradient existing in the reaction chamber. The operating temperature of the catalyst and the temperature of the portion of the reaction chamber it is in, are matched so as to avoid catalytic degradation and/or catalytic inactivity.