Electrophotographic yellow toner and process for producing the s

Details Electrophotographic yellow toner and process for producing the s Electrophotographic yellow toner and process for producing the s

1991-12-19

1993-07-06

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

430137, G03G 909

Patent

active

052253015

ABSTRACT:
An electrophotographic yellow toner comprising binder resins having dispersed therein acetoacetanilide type monoazo pigments in its amorphous phase. The toner is excellent in transparency and spectral reflection characteristics. The toner is prepared by a process comprising a step of subjecting a colorant containing acetoacetanilide monoazo pigments and binder resins to heat treatment at a temperature higher than the softening point of the binder resin by at least 40.degree. C.

REFERENCES:
patent: 4073965 (1978-02-01), Mammino et al.
patent: 4539284 (1985-09-01), Barbetta et al.
patent: 4561899 (1985-12-01), Matrick
Abstract of JP-A 2149857.
Abstract of JP-A 5937553.

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