Process for the preparation of copper phthylocyanine

Details Process for the preparation of copper phthylocyanine Process for the preparation of copper phthylocyanine

1977-03-16

1978-07-25

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 4706

Patent

active

041028929

ABSTRACT:
The chemical yield and the space-time yield of copper phthalocyanine obtained according to the "baking process" is improved if urea and phthalic anhydride, or its reaction products with ammonia, or the dehydration products thereof, are fed in the liquid form to the reaction vessel.

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