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:
Nov. 02, 1999
Filed:
Mar. 12, 1998
Applicant:
Inventors:
Yutaka Sasaki, Yokohama, JP;
Hiroshi Utsumi, Yokohama, JP;
Kazuo Morishita, Yokohama, JP;
Kenichi Miyaki, Yokohama, JP;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C / ; B01J / ;
U.S. Cl.
CPC ...
423376 ; 502209 ;
Abstract
A process for producing prussic acid by subjecting methanol to a gas-phase contact reaction with molecular oxygen and ammonia in the presence of a catalyst, wherein said catalyst is an oxide composition containing iron, antimony, phosphorus and vanadium with a content of vanadium content being at least 0.6 in terms of atomic ratio relative to iron content taken as 10, and a mixed raw material gas for the gas-phase contact reaction contains oxygen at an oxygen-to-methanol molar ratio of less than 1.6.