Method of producing a metal phthalocyanine pigment

Details Method of producing a metal phthalocyanine pigment Method of producing a metal phthalocyanine pigment

2005-09-26

2009-06-30

Wilson, James O. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07553961

ABSTRACT:
A method of producing a metal phthalocyanine pigment, which contains the step of: allowing an alkali metal salt of phthalocyanine to react with a metal salt, in a solvent which is mainly composed of a sulfur-containing aprotic polar solvent.

REFERENCES:
P. A. Barrett et al., “Phthalocyanines and Associated Compunds. Part XIV. Further Investigations of Metallic Derivatives.” J. Chem. Soc., pp. 1157-1163 (1993).

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