Process for the preparation of opaque perylenetetracarboxylic ac

Details Process for the preparation of opaque perylenetetracarboxylic ac Process for the preparation of opaque perylenetetracarboxylic ac

1981-06-12

1983-09-13

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

106204, 8568, 524 90, C07D48706, D06P 379, D06P 362, D06P 326

Patent

active

044043864

ABSTRACT:
Process for the preparation of opaque perylenetetracarboxylic acid bis-(3,5-dimethylphenylimide), which comprises heating the .alpha.-modification of perylenetetracarboxylic acid bis-(3,5-dimethylphenylimide) in at least one aliphatic monocarboxylic acid. Use as a pigment for plastic compositions, printing inks, fibres and paints.

REFERENCES:
patent: 4230858 (1980-10-01), Gall
patent: 4240793 (1980-12-01), Graser
patent: 4262851 (1981-04-01), Graser
patent: 4298526 (1981-11-01), Sappok et al.
CA, 84, 166251s (1976).
CA, 55, 22849b (1961).
Farbwerke, Chem. Abs. 55, 2136c (1960).
Graser et al., Ann. Chem. 1980, 1994-2011 (1980).
Babler, Chem. Abs. 94, 210300q (1981).

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