Processes for the preparation of photogenerating pigments

Details Processes for the preparation of photogenerating pigments Processes for the preparation of photogenerating pigments

1990-06-14

1992-10-06

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making radiation-sensitive composition

430 58, 430 73, 430 76, G03G 506

Patent

active

051530945

ABSTRACT:
A process which comprises adding a pigment to a solution of trihaloacetic acid and toluene; adding the solution to a nonsolvent for the pigment; and separating the product from the solution.

REFERENCES:
patent: 4239549 (1980-12-01), Fabian et al.
patent: 4404385 (1983-09-01), Babler
patent: 4451654 (1984-05-01), Graser et al.
patent: 4508650 (1985-04-01), Tokoli et al.
patent: 4725518 (1988-02-01), Carmichael et al.
patent: 4771133 (1988-09-01), Liebermann et al.
patent: 4898799 (1990-02-01), Fujimaki et al.

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