Title:
PROCESS FOR MANUFACTURE OF COPPER PHTHALOCYANINE
Document Type and Number:
Japanese Patent JPS52151319
Kind Code:
A
Abstract:
The production of copper phthalocyanine in accordance with German Offenlegungsschrift No. 2,432,564 is improved by the process which is characterized in that the reaction product formed at 130 DEG -300 DEG C from optionally substituted phthalic anhydride, reaction products of optionally substituted phthalic anhydride with ammonia, or the dehydration products thereof, urea and, optionally, a catalyst is reacted with a copper salt and, optionally, a catalyst at temperatures of 150 DEG -350 DEG C and preferably 170 DEG -300 DEG C with the proviso that the catalyst is added either during the preparation of the starting material or during the reaction with the copper salt.
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Inventors:
HAINTSU EBARUTO BAUREHITO
RAINHORUTO HERUNRE
GERUTO MIYUURAA
RAINHORUTO HERUNRE
GERUTO MIYUURAA
Application Number:
JP2812677A
Publication Date:
December 15, 1977
Filing Date:
March 16, 1977
Export Citation:
Assignee:
BAYER AG
International Classes:
B01F7/04; B01J19/20; C09B47/06; (IPC1-7): C09B47/04
Previous Patent: JPS52151318
Next Patent: 3,4-DICHLORO-7H-BENZO(DE)-PYRAZOLO(5,1-A)ISOQUINOLINE-7-ONE DERIVATIVE
Next Patent: 3,4-DICHLORO-7H-BENZO(DE)-PYRAZOLO(5,1-A)ISOQUINOLINE-7-ONE DERIVATIVE