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.

Date of Patent:
Nov. 15, 1977

Filed:

Nov. 01, 1972
Applicant:
Inventors:

Tatsuo Shiraishi, Niihama, JA;

Shinkichi Shimizu, Niihama, JA;

Hiroshi Ichihashi, Niihama, JA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604653 ;
Abstract

In the production of acrylonitrile by a vapor phase reaction of propylene, ammonia and oxygen at an elevated temperature, a process which comprises contacting propylene, ammonia and oxygen with a catalyst composition comprising a catalyst system of the formula: Tl.sub.a P.sub.b Mo.sub.c Fe.sub.d Bi.sub.e X.sub.f O.sub.g wherein X represents one or more of the metals, Ni, Mg and Co, and a, b, c, d, e, f and g represent respectively the relative number of atoms of each component; provided that when c is 12, a is 2 or less, but not 0; b is 0 to 5; d is 0.1 to 5; e is 0.1 to 5; f is 2 to 15; and the value of g depends on the number of the other atoms and is usually from 38.3 to 81.5.


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