Process and catalyst for hydrogenation of aromatic dinitriles

Details Process and catalyst for hydrogenation of aromatic dinitriles Process and catalyst for hydrogenation of aromatic dinitriles

Filed on

1979-11-16

Date issued

1981-01-27

Examiner

Doll, John

Patent Class

Organic compounds -- part of the class 532-570 series

SubClass

Organic compounds

SubSubClass

Amino nitrogen containing

Other Related Categories

252472, 564428, C07C 8512

Type

Patent

Status

active

Patent number

042474787

Description

ABSTRACT:
In the process of hydrogenating an aromatic dinitrile to the corresponding di-primary amine in the presence of a catalyst, the improvement of using as catalyst a cobalt catalyst promoted with rhodium where the weight ratio of rhodium to cobalt is 1.0 or less.

REFERENCES:
patent: 2165515 (1939-07-01), Schmidt
patent: 2953490 (1960-09-01), Deebel
patent: 3110747 (1963-11-01), Mullineaux
patent: 3117162 (1964-01-01), Rylander et al.
patent: 3152184 (1964-10-01), Levering
patent: 3558709 (1971-01-01), Hockele
patent: 3847989 (1974-11-01), Platz et al.
patent: 4140720 (1979-02-01), Drake
patent: 4163025 (1979-07-01), Plunkett et al.
patent: 4186146 (1980-01-01), Dutte et al.
Bizhanov et al., "Chemical Abstracts" vol. 65, Ab. No.20038a (1966.

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