Toner

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

Reexamination Certificate

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C430S108600, C430S120400

Reexamination Certificate

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06861190

ABSTRACT:
A toner comprising a resin binder, a colorant, and externally-added inorganic fine particles, comprising large-particle size inorganic particles comprising 50% by volume or more of particles having a particle size of from 100 to 583.9 nm, and having a BET specific surface area of 1 to 40 m2/g. The toner can be used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

REFERENCES:
patent: 6156471 (2000-12-01), Kobori et al.
US Patent & Trademark “Trademark Electronic Search System” (TESS), updated on Aug. 21, 2004, printout, describing the US Registered Trademark Henschel Mixer, ser. No. 75599986.*
U.S. Appl. No. 10/669,559, filed Sep. 25, 2003, Kameyama et al.
Patent Abstracts of Japan, JP 5-142859, Jun. 11, 1993.
Patent Abstracts of Japan, JP 07-013386, Jan. 17, 1995.
Patent Abstracts of Japan, JP 08-015890, Jan. 19, 1996.
Patent Abstracts of Japan, JP 08-227171, Sep. 3, 1996.
Patent Abstracts of Japan, JP 09-288369, Nov. 4, 1997.
Patent Abstracts of Japan, JP 2000-214629, Aug. 4, 2000.

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