Process for the production of metal phthalocyanine

Details Process for the production of metal phthalocyanine Process for the production of metal phthalocyanine

1999-04-02

2000-08-15

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540122, C09B 4706, C09B 4704

Patent

active

061038962

ABSTRACT:
A process for the production of a metal phthalocyanine excellent in color-related properties such as tinting strength, clearness and hue, in which no reactions of raw materials with a solvent take place and a substance harmful to human bodies such as polychlorinated biphenyl (PCB) is not formed, the process comprising heating phthalic anhydride or phthalimide, urea, metal salt and a catalyst in mixed solvents of chlorinated benzene and a linear hydrocarbon.

REFERENCES:
patent: 3074958 (1963-01-01), Fleysher et al.
patent: 5834608 (1998-11-01), Maruyama
Database WPI, Section Ch, Week 7543, abstract No. AN 75-71439W (abstract of JP 50-041926) (1975).
Database WPI, Section Ch, Week 9614, abstract No. AN 96-136509 (abstract of JP 08-027388) (1996).
Database WPI, Section Ch, Week 7718, abstract No. AN 77-31574Y (abstract of JP 52-036130) (1977).
Database WPI, Section Ch, Week 7903, abstract No. AN 79-05126B (abstract of JP 53-140329) (1979).

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