Developer for electrophotography and process for preparation the

Details Developer for electrophotography and process for preparation the Developer for electrophotography and process for preparation the

1980-12-31

1982-11-02

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430904, 430903, G03G 916

Patent

active

043574068

ABSTRACT:
A particulate composite developer for electrophotography is disclosed, which has a novel dispersion structure comprising a continuous phase consisting of a homogeneous mixture of a resin and a pigment and a dispersed phase consisting of spherical particles of a soft parting or fixing material having an emulsion grade size and being dispersed in the continuous phase. This particulate developer has in combination improved adaptability to the developing operation, excellent transferring and cleaning properties, good ability to form a sharp image free of fog and good fixing property not causing an offset phenomenon.

REFERENCES:
patent: 3338991 (1967-08-01), Insalaco et al.
patent: 3345294 (1967-10-01), Cooper
patent: 3893932 (1975-07-01), Azar et al.
patent: 3997488 (1976-12-01), Tsubuko et al.
patent: 4016099 (1977-04-01), Wellman et al.
patent: 4262076 (1981-04-01), Hakumoto et al.

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