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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2010/106874
Kind Code:
Disclosed is a wet image developer in which both good electrification properties and good dispersion stability of toner particles can be achieved. The wet image developer comprises a carrier solution and toner particles each comprising at least one or more coloring agents and a binder resin and dispersed in the carrier solution, wherein the one or more coloring agents contain at least an organic pigment having an acidic group, the binder resin is a polyester resin comprising an aromatic carboxylic acid having three or more carboxyl groups per molecule, a high-molecular-weight dispersant having a basic group is used as a dispersant, and the one or more coloring agents are contained in an amount of 8 to 50 parts by weight relative to 100 parts by weight of the binder resin.

YOSHIE, Naoki (Inc. 1, Sakura-machi, Hino-sh, Tokyo 11, 〒1918511, JP)
Application Number:
Publication Date:
September 23, 2010
Filing Date:
February 22, 2010
Export Citation:
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Konica Minolta Holdings, Inc. (1-6-1, Marunouchi Chiyoda-k, Tokyo 05, 〒1000005, JP)
コニカミノルタホールディングス株式会社 (〒05 東京都千代田区丸の内一丁目6番1号 Tokyo, 〒1000005, JP)
International Classes:
G03G9/13; G03G9/12
Attorney, Agent or Firm:
TANAKA, Mitsuo et al. (AOYAMA & PARTNERS, IMP Building 3-7, Shiromi 1-chome, Chuo-ku, Osaka-sh, Osaka 01, 〒5400001, JP)
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