Electrophotographic dry developer

Details Electrophotographic dry developer Electrophotographic dry developer

1992-02-14

1992-12-22

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

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

430110, 430904, G03G 900

Patent

active

051733870

ABSTRACT:
An electrophotographic dry developer which comprises a carrier and toner particles comprising a binder resin comprising (A) a polyester resin and (B) a styrene-acrylic resin obtained by co-polymerizing a monomer having an amino group, at a weight ratio of (A) to (B) ranging from 55:45 to 95:5, both resin (A) and resin (B) and a dyestuff or pigment of chromatic color. It is positively charageable and serves for color electrophotography.

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patent: 4762763 (1988-08-01), Nomura et al.
patent: 4857433 (1989-08-01), Shin et al.
patent: 4943506 (1990-07-01), Demizu et al.

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