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Title:
TONER AND IMAGE FORMING METHOD
Document Type and Number:
Japanese Patent JP3880393
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a toner with which good flow property and stable electrostatic chargeability can be obtained even after many times of development operations.
SOLUTION: The toner is characterized in being prepared by externally adding a hydrophobic silica of ≥90% in a hydrophobic rate and A/B=3 to 30 and B=4 to 10 in the amount A (piece/g.10-18) of surface silanol and the amount B (mass%) of carbon to coloring particles containing at least coloring agents and a binder resin.


Inventors:
Hiroaki Kawakami
Satoshi Handa
Yuji Moriki
Kiyoshi Suzuki
Application Number:
JP2001391263A
Publication Date:
February 14, 2007
Filing Date:
December 25, 2001
Export Citation:
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Assignee:
Canon Inc
International Classes:
G03G9/08; G03G15/08; (IPC1-7): G03G9/08; G03G15/08
Domestic Patent References:
JP8136439A
JP10254188A
JP4051155A
JP2009686A
JP8034172A
JP10044634A
JP6328303A
JP5333594A
JP6051554A
JP4143775A
JP6067455A
JP61277964A
JP2002174921A
JP2000181113A
JP2001125306A
JP2001330984A
JP2000029249A
JP2000056509A
JP2001027822A
JP2001249495A
JP2001249494A
JP2001330983A
Attorney, Agent or Firm:
Keisuke Watanabe
Yoshihiro Yamaguchi



 
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