Toner

Details Toner Toner

2006-11-14

2006-11-14

Dote, Janis L. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

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

C430S108300, C430S108600, C430S108700

Reexamination Certificate

active

07135263

ABSTRACT:
In a toner having toner particles which have toner base particles having at least a colorant and a binder resin, and an inorganic fine powder; the inorganic fine powder has a primary-particle average particle diameter of from 30 nm to 300 nm, and has particles having at least one of a cubic particle shape, a cube-like particle shape, a rectangular particle shape and a rectangle-like particle shape and having perovskite type crystals; and the inorganic fine powder has particles and agglomerates both having particle diameters of 600 nm or more, in a content of 0% to 1% by number.

REFERENCES:
patent: 5759731 (1998-06-01), Hagi et al.
patent: 6077636 (2000-06-01), Moriki et al.
patent: 6335135 (2002-01-01), Arai et al.
patent: 6352808 (2002-03-01), Hagi et al.
patent: 8-272132 (1996-10-01), None
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patent: 2000-162812 (2000-06-01), None
patent: 2001-296688 (2001-10-01), None
patent: 2003-277054 (2003-10-01), None
patent: 0161562 (1999-03-01), None
Japanese Patent Office machine-assisted translation of JP 2003-277054 (pub. Oct. 2003).
“Japan Hardcopy '97 Papers” The Annual Conference of thee Society of Electrophotography of Japan, Jul. 1997, pp. 66-68.

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