Title:
SOLVENTTSTABLE RED COPPER PHTHALOCYANINE PIGMENT COMPOSITION AND METHOD OF MAKING SAME
Document Type and Number:
Japanese Patent JPS53102923
Kind Code:
A
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.
Inventors:
IAN ROBAATO FUIIRAA
Application Number:
JP1710578A
Publication Date:
September 07, 1978
Filing Date:
February 16, 1978
Export Citation:
Assignee:
CIBA GEIGY AG
International Classes:
C09B47/06; C09B67/22; C09B47/32; (IPC1-7): C09B47/04