Title:
TONER, METHOD FOR FORMING IMAGE AND PROCESS CARTRIDGE
Document Type and Number:
Japanese Patent JP2002365854
Kind Code:
A
Abstract:
To provide a toner with high transfer efficiency and little production of waste toner.
The toner containing at least a binder resin and a coloring agent is characterized in that it contains a sulfur-containing compound selected from a group composed of sulfur containing polymers and sulfur containing copolymers. The weight average particle size of the toner ranges from 5 to 12 μm and the circularity of the particles having ≥3 μm particle size in the toner is specified.
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Inventors:
MIZOO YUICHI
HASEGAWA YUSUKE
AZUMA MASAKI
NAKANISHI TSUNEO
MICHIGAMI TADASHI
SHIBAYAMA YASUKO
KASUYA TAKASHIGE
YAMAZAKI KATSUHISA
NAKA TAKESHI
HASEGAWA YUSUKE
AZUMA MASAKI
NAKANISHI TSUNEO
MICHIGAMI TADASHI
SHIBAYAMA YASUKO
KASUYA TAKASHIGE
YAMAZAKI KATSUHISA
NAKA TAKESHI
Application Number:
JP2001229676A
Publication Date:
December 18, 2002
Filing Date:
July 30, 2001
Export Citation:
Assignee:
CANON KK
International Classes:
G03G15/02; B02C13/10; B02C19/18; B02C23/12; B02C23/20; G03G9/08; G03G9/083; G03G9/087; G03G9/097; G03G15/08; G03G15/09; G03G15/16; (IPC1-7): G03G9/097; B02C13/10; B02C19/18; B02C23/12; B02C23/20; G03G9/08; G03G9/083; G03G9/087; G03G15/02; G03G15/08; G03G15/09; G03G15/16
Domestic Patent References:
| JP2000029249A | 2000-01-28 | |||
| JPH02167565A | 1990-06-27 | |||
| JPH11288129A | 1999-10-19 | |||
| JPH03171145A | 1991-07-24 | |||
| JPH11282211A | 1999-10-15 | |||
| JPH11202557A | 1999-07-30 | |||
| JPH11237766A | 1999-08-31 | |||
| JPS62191859A | 1987-08-22 |
Attorney, Agent or Firm:
Keisuke Watanabe (2 outside)