Production of surface-modified organic particles

Details Production of surface-modified organic particles Production of surface-modified organic particles

1991-12-06

1993-03-02

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

427222, 524154, 524183, 524236, 524287, 524351, 524352, 524904, 525934, G03G 9097

Patent

active

051908441

ABSTRACT:
The present invention provides an improved process for producing organic particles (e.g. toner particles) having uniform charge controlling coating and excellent charge controlling effect. In the process, a dispersion comprising the organic particles (A), a specific compound (B) forming insoluble substances upon reacting with an insolubilizer (D) and a dispersing medium is prepared and then reacted with the insolubilizer (D).

REFERENCES:
patent: 4828954 (1989-05-01), Hashimoto et al.
patent: 4859560 (1989-10-01), Nakamura et al.
patent: 5069994 (1991-12-01), Gitzel et al.
Patent Abstract of Japan, vol. 14, No. 264 (P-1057) (4207) Jun. 7, 1990 and JP-A020773371 (Matsushita) Mar. 13, 1990 *abstract*.
Patent Abstract of Japan, vol. 13, No. 357 (P-915) (3705) Aug. 10, 1990 and JP-A-1116564 (Mita) May 9, 1989 *abstract*.
Patent Abstracts of Japan, vol. 13, No. 50 (P-823) (3398) Feb. 6, 1989 and JP-A-63244055 (Canon) Oct. 11, 1988 *abstract*.

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