Process for the production of aromatic nitriles
US4124631A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1977 |
| Grant date | Nov 7, 1978 |
| Priority date | — |
| Expiry date | Mar 10, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/198
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the production of aromatic nitrile having the formula (I) ##STR1## wherein X represents a chlorine, bromine, iodine or fluorine atom and n is 1 or 2, By contacting aromatic compound having the formula (II) ##STR2## wherein X and n are as defined above, with ammonia and molecular oxygen in the vapor phase in the presence of a catalyst having the following composition: EQU V.sub.a P.sub.b A.sub.c O.sub.d wherein A denotes at least one element selected from the group consisting of chromium, manganese, iron, cobalt, nickel and tin, the subscripts a, b, c, and d respectively denote the numbers of vanadium, phosphorus, A and oxygen atoms, and wherein a is 1, b is 0.1 to 3, c is 0 to 2 and d is a number determined by the valences of other elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.