Process for the production of halogenated phthalocyanine

Details Process for the production of halogenated phthalocyanine Process for the production of halogenated phthalocyanine

1994-11-30

1995-12-12

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C09B 4704

Patent

active

054751039

ABSTRACT:
A process for the production of a halogenated phthalocyanine, in which a solvent can be easily recovered and the halogenated phthalocyanine has reduced residual metal amount, the process comprising forming a complex of aluminum chloride and phthalocyanine in sulfonyl chloride and then halogenating the phthalocyanine.

REFERENCES:
patent: 4948884 (1990-08-01), Nonaka et al.
patent: 5286855 (1994-02-01), Nonaka et al.

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