Process for the production of aluminum phthalocyanine compositio

Details Process for the production of aluminum phthalocyanine compositio Process for the production of aluminum phthalocyanine compositio

1994-07-19

1996-09-17

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540122, 540139, 540142, C09B 6712

Patent

active

055569668

ABSTRACT:
A process for the production of an aluminum phthalocyanine composition or a halogenated aluminum phthalocyanine composition in high yield and purity is provided which entails bringing a molten salt of aluminum chloride and/or aluminum bromide and a phthalocyanine compound having a central element other than aluminum into contact with each other in a predetermined temperature range thereby to substitute aluminum for the central element. Alternatively, the process involves conducting the aforementioned step, and introducing a halogen into the resultant reaction mixture.

REFERENCES:
patent: 4311775 (1982-01-01), Regan
patent: 5282896 (1994-02-01), Tsuchida
Kuroiwa et al., Chemical Abstracts, vol. 106, No. 4, 26 Jan. 1987 Abstract No. 20000k p. 82 JP-A-61-152685.

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