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Patent Searching and Data


Title:
LIQUID DEVELOPING AGENT
Document Type and Number:
WIPO Patent Application WO/2019/177136
Kind Code:
A1
Abstract:
Provided is a liquid developing agent in which the diffusion stability of toner particles in the liquid developing agent is maintained even in high-temperature/humidity environments, and which has exceptional developing stability over time. A liquid developing agent containing toner particles, a carrier liquid, and a basic toner particle diffusion agent, wherein the liquid developing agent is characterized in that the toner particles contain a polyester resin A, the polyester resin A containing at least one monomer unit selected from the group consisting of monomer units derived from C1-6 aliphatic monocarboxylic acid, and monomer units derived from a C7-12 aromatic monocarboxylic acid.

Inventors:
MATSUBARA, Akifumi (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
TSUCHIDA, Naohiko (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
TAKENAKA, Kohji (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
MIYAKAI, Tomoyo (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
OCHI, Kouichirou (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
CHIMOTO, Yuya (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
NAKAJIMA, Masato (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
AKASHI, Yasutaka (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
HIRASA, Takashi (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
TOKUNAGA, Yuzo (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, 〒1468501, JP)
Application Number:
JP2019/010742
Publication Date:
September 19, 2019
Filing Date:
March 15, 2019
Export Citation:
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Assignee:
CANON KABUSHIKI KAISHA (30-2, Shimomaruko 3-chome Ohta-k, Tokyo 01, 〒1468501, JP)
International Classes:
G03G9/135; G03G9/13
Foreign References:
JP2016142846A2016-08-08
JP2016224103A2016-12-28
JP2016128864A2016-07-14
JP2016080837A2016-05-16
JP2017111460A2017-06-22
JP2009122281A2009-06-04
Attorney, Agent or Firm:
IP FIRM SHUWA (Acropolis 21 Bldg. 8th Floor, 4-10 Higashi Nihonbashi 3-chome, Chuo-k, Tokyo 04, 〒1030004, JP)
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