Toner for developing electrostatic image

Details Toner for developing electrostatic image Toner for developing electrostatic image

1995-02-23

1997-02-18

RoDee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

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

430137, G03G 908

Patent

active

056040717

ABSTRACT:
The toner for developing an electrostatic image, excellent in any environmental conditions, comprises the colorant-containing resin particles and at least one kind of fine titanium oxide powder which has been made hydrophobic by treating in an aqueous medium; the fine titanium oxide powder has an average particle diameter of from 0.001 .mu.m to 0.2 .mu.m and a hydrophobicity of from 20% to 80%.

REFERENCES:
patent: 2221776 (1940-11-01), Carlson
patent: 2297691 (1942-10-01), Carlson
patent: 2618552 (1952-11-01), Wise
patent: 2874063 (1959-02-01), Greig
patent: 3909258 (1975-09-01), Kotz
patent: 4061503 (1977-12-01), Berger et al.
patent: 4943506 (1990-07-01), Demizu et al.
patent: 5192637 (1993-03-01), Saito et al.

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