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:
Oct. 16, 1990
Filed:
Apr. 24, 1989
Applicant:
Inventors:
Masao Saito, Tokyo, JP;
Kengo Tsukahara, Niigata, JP;
Koichiro Yamada, Niigata, JP;
Hisasi Imai, Niigata, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546286 ;
Abstract
A process for producing a cyanopyridine which comprises reacting the corresponding methylpyridine, ammonia and an oxygen-containing gas in the presence of a catalyst comprising a vanadium oxide, a chromium oxide, a boron oxide and optionally a phosphorus oxide and/or molybdenum oxide held on silica is disclosed. According to the present invention, the reactivity of the raw material and the yield of the reaction product are high.