Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1998-04-28
1999-11-02
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430106, 430110, 430111, G03G 1322
Patent
active
059767553
ABSTRACT:
An image forming method includes charging an image carrier for carrying an electrostatic latent image;
forming an electrostatic latent image on the charged image carrier;
developing the electrostatic latent image with a toner by contacting a toner layer on a surface of a toner carrier with a surface of the image carrier to form a toner image thereon;
copying the toner image formed on the surface of the image carrier onto a copy medium;
wherein the toner has toner particles containing at least a bonding resin, carbon black and an azo-based iron compound and inorganic fine powder;
the carbon black having an average primary particles size within a range of from 25 to 80 nm; and
the azo-based iron compound having a specific structure.
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Watanabe et al., "Compact Page Printer", Fujitsu Sc. Tech. J., 28, 4, pp. 473-480 (Dec. 1992).
Hosoya, M. et al., "Contact-Type Development System Using Monocomponent Nonmagnetic Toner", Japan Hard Copy '89 Papers, p. 25-28.
Database WPI, Section Ch, Week 9226, Derwent, XP-002086119 for JP04-139460, May 1992.
Database WPI, Section Ch, Week 8727, Derwent, XP-002086120 for JP62-116946, May 1989.
Ayaki Yasukazu
Handa Satoshi
Hashimoto Akira
Kukimoto Tsutomu
Ohno Manabu
Canon Kabushiki Kaisha
Martin Roland
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