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:
Sep. 20, 1994
Filed:
Feb. 25, 1993
Applicant:
Inventors:
Seigo Watanabe, Otake, JP;
Motomu Oh-Kita, Tokyo, JP;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; B01J / ;
U.S. Cl.
CPC ...
568480 ; 502 34 ; 502211 ;
Abstract
Disclosed is a process for producing a multicomponent catalyst containing molybdenum and bismuth and used for synthesis of unsaturated aldehydes and unsaturated carboxylic acids, characterized in that dried starting materials for the catalyst are calcinated in an atmosphere containing 1 vol % or more of a nitrogen oxide and 0.5 vol % or more of oxygen.