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US 5,475,103 AGranted
Process for the production of halogenated phthalocyanine
AssigneeToyo Ink Manufacturing Co., Ltd.
InventorYoshiyuki Nonaka
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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.
Claims8
A process for the production of a halogenated phthalocyanine, comprising forming a complex of aluminum chloride and phthalocyanine in sulfonyl chloride and then halogenating the phthalocyanine.
Dependencies are inferred from the claim text.