Toner, process of manufacturing toner, developer, toner container, process cartridge, image forming apparatus, and image forming process

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United States of America Patent

PATENT NO 7498114
APP PUB NO 20050112492A1
SERIAL NO

10953382

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A toner manufacturing process, includes: melting a kneaded composition, to thereby obtain a melted composition; and spraying the melted composition with a high pressure gas, to thereby form a fine particle. The kneaded composition is selected from the group consisting of the following <1>, <2> and <3>: <1> a first kneaded composition including a binder resin, a colorant, and a charge controlling agent, <2> a second kneaded composition including a binder resin, a colorant, a charge controlling agent, and a releasing agent, and <3> a third kneaded composition including a binder resin, a magnetic agent, a charge controlling agent, and a releasing agent.

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First Claim

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Patent Owner(s)

  • RICOH COMPANY, LTD.;RICOH UK PRODUCTS LTD

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kagawa, Tsutomu Shropshire , GB 6 35
Makino, Nobuyasu Shizuoka , JP 27 250
Murakami, Fumitoshi Shizuoka , JP 9 77
Roberts, David Shropshire , GB 142 1498
Weaver, Colin Shropshire , GB 48 511

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