Process for the preparation of a solvent-stable, red-shade coppe

Details Process for the preparation of a solvent-stable, red-shade coppe Process for the preparation of a solvent-stable, red-shade coppe

1978-02-07

1979-10-16

McCarthy, Helen

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106288Q, 106292, 106302, 106304, 106300, C09B 4706, C09B 6700

Patent

active

041713095

ABSTRACT:
A process for the preparation of a solvent-stable, red shade copper phthalocyanine pigment composition by reacting an organic compound capable of forming the phthalocyanine ring system, benzophenone 3,3',4,4'-tetracarboxylic acid or a derivative thereof, a copper compound capable of providing the copper atom of the copper phthalocyanine molecule, a reaction catalyst, and a nitrogen source, optionally in the presence of at least one phthalocyanine compound substituted by 1 to 4 groups of a sulphonate or sulphonic acid and/or sulphonamide which may be N-substituted.

REFERENCES:
patent: 3775423 (1973-11-01), Lamure

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