Process for the production in continuous of phthalodinitrile

Details Process for the production in continuous of phthalodinitrile Process for the production in continuous of phthalodinitrile

1987-03-24

1989-11-28

Lee, Mary C.

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

Organic compounds

Nitriles

558312, 558313, C07C12000

Patent

active

048838942

ABSTRACT:
The present invention relates to a process for the production in continuous of isophthalodinitrile or terephthalodinitrile by simultaneous amidation and dehydration of the respective acid chlorides in steam phase on a fixed bed of a dehydration catalyst.

REFERENCES:
patent: 2177619 (1939-10-01), Nicodemus et al.
patent: 3070621 (1962-12-01), Lind
Chemical Abstracts, vol. 80, No. 22, Abstract: 133,086f, p. 447, Jun. 3, 1974.

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