Prepn of iso or tere-phthalonitrile by reaction - of iso or terephthalic acid with ammonia

Prepn of iso or tere-phthalonitrile by reaction - of iso or terephthalic acid with ammonia

Reaction is effected at 360-420 degrees C in a vertical bed using a dehydration catalyst which is maintained in a fluid state with an ammonia gas stream and the iso- or tere-phthalic acid is introduced with the aid of a pulsating inert gas stream, e.g. nitrogen, which may contain 10-30% of oxygen.

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Hauptverfasser: KURT HANDRICK, JUERGEN SCHLEGEL, REST,KARL-HEINZ, RUDOLF NOVOTNY,DR
Format: Patent
Sprache:eng ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator KURT HANDRICK
JUERGEN SCHLEGEL
REST,KARL-HEINZ
RUDOLF NOVOTNY,DR
description Reaction is effected at 360-420 degrees C in a vertical bed using a dehydration catalyst which is maintained in a fluid state with an ammonia gas stream and the iso- or tere-phthalic acid is introduced with the aid of a pulsating inert gas stream, e.g. nitrogen, which may contain 10-30% of oxygen.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title Prepn of iso or tere-phthalonitrile by reaction - of iso or terephthalic acid with ammonia
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