Electrophotographic toner and method of development therewith

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20060172216A1
SERIAL NO

10545560

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Cyclo-olefin copolymer resin is contained as a binder resin, and concentration of a charge controlling agent on the surface of the toner is not less than 0.1 mg/toner 1 g, and less than 1.0 mg/toner 1 g. Furthermore, the toner is held on a non-magnetic sleeve, an electric field is applied between a photoreceptor and the sleeve, and the toner jumps to an electrostatic latent image on the surface of the photoreceptor. In this way, a toner for electrophotography in which image contamination is prevented and deterioration of image density caused by deterioration of jumping property is prevented by maintaining an appropriate amount of charge even in the non-contact developing method using the toner containing cyclo-olefin copolymer resin as a binder resin, can be provided.

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Patent Owner(s)

Patent OwnerAddress
TOMOEGAWA PAPER CO LTD5-15 KYOBASHI 1-CHOME CHUO-KU TOKYO 104-8335

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Moriyuki Shizuoka-shi, JP 4 4

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  • 2 Citation Count
  • G03G Class
  • 2.98 % this patent is cited more than
  • 19 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3673327496281597511501 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650700750800

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