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:
Jun. 06, 1995
Filed:
Dec. 27, 1993
Applicant:
Inventors:
Takashi Ushikubo, Yokohama, JP;
Itaru Sawaki, Yokohama, JP;
Kazunori Oshima, Machida, JP;
Kei Inumaru, Tokyo, JP;
Satoshi Kobayakawa, Yokkaichi, JP;
Ken-ichi Kiyono, Machida, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502312 ; 502309 ; 502311 ; 502313 ; 502321 ; 502322 ; 502353 ; 502354 ; 558319 ;
Abstract
A process for preparing a catalyst useful for producing a nitrile by a gas phase catalytic oxidation reaction of an alkane with ammonia, which comprises drying a solution or slurry containing molybdenum, vanadium and tellurium by a spray drying method or a freeze-drying method and heat-treating the resulting dried product.