Process for producing a metal phthalocyanine and/or its derivative
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United States of America Patent
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Mar 6, 1990
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N/A
app pub date -
Dec 15, 1988
filing date -
Dec 31, 1987
priority date (Note) -
Expired
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Abstract
In a process for producing a metal phthalocyanine and/or its derivative by heating phthalic anhydride and/or its derivative, urea and a metal compound in an organic solvent in the presence of a catalyst, or by heating phthalodinitrile and a metal or a metal compound in an organic solvent, the improvement wherein the reaction for the production of the metal phthalocyanine and/or its derivative is conducted by an addition of cyanuric acid and/or its derivative.
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