METHOD OF MANUFACTURING DEVELOPING AGENT

Japanese Patent JP2009145894

A

To easily fuse agglomerated particles without redispersing the particles in a method of manufacturing a developing agent by using an agglomeration process.

After fine particles containing a binder resin and a coloring agent are agglomerated in a dispersion liquid to form agglomerated particles, an inverting agent which inverts a sign of a zeta potential of the agglomerated particles is added to the dispersion liquid to stabilize the agglomerated particles, and then, the agglomerated particles are fused.

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IKUTA MASAHIRO
AOKI TAKAYASU
URABE TAKASHI
ITO GOJI
NODA YASUHITO
UDO MOTONARI
ARAKI SATOSHI
HARA TAKASHI
MATSUMOTO ASUMI

JP2008317268A

July 02, 2009

December 12, 2008

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TOSHIBA CORP
TOSHIBA TEC KK

G03G9/087; G03G9/08; G03G9/097

JPH06214418A

1994-08-05

Takehiko Suzue
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen

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