Toner, two-component developer, image forming method and apparat

Details Toner, two-component developer, image forming method and apparat Toner, two-component developer, image forming method and apparat

1999-01-22

2000-06-20

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

To produce color reproduction

430110, 430111, 430126, 399252, G03G 1301, G03G 9097, G03G 1522

Patent

active

060776366

ABSTRACT:
A toner is comprised of toner particles containing at least a binder resin and a colorant, and an external additive fine powder. The toner particles have a specific circularity distribution and a specific particle size distribution. The external additive fine powder has an inorganic fine powder having as primary particles a specific number-average particle length, and a non-spherical inorganic fine powder formed by coalescence of particles and having a specific shape factor and a specific number-average particle length.

REFERENCES:
patent: 4950575 (1990-08-01), Shiozaki et al.
patent: 5240803 (1993-08-01), Ota
patent: 5272040 (1993-12-01), Nakasawa et al.
patent: 5712072 (1998-01-01), Inaba et al.
patent: 5771426 (1998-06-01), Oka et al.
patent: 5809378 (1998-09-01), Kukimoto et al.
patent: 5827632 (1998-10-01), Inaba et al.

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