Mitsubishi Kasei Corporation

Toshiyuki Sueyoshi

Hitoshi Ono

Shigenori Otsuka

Osamu Ando

Masako Takeuchi

Hiromi Horiuchi

Katsuo Koizumi

Hirofumi Oda

Shigenori Hayakawa

Syuuichi Maeda

A carrier for developing electrostatic latent images is disclosed, which comprises a core material at least a part of which is coated with a resin containing a copolymer comprised of vinylidene chloride and at least one monomer having an unsaturated double bond and being copolymerizable with vinylidene chloride, wherein the copolymer is comprised of (a) from 70 to 30 mol % of vinylidene chloride, (b) from 20 to 60 mol % of acrylonitrile and/or an acrylonitrile derivative, and (c) from 0 to 40 mol % of a monomer having an unsaturated double bond and being copolymerizable with components (a) and (b). An electrophotographic developer containing the carrier and an electrophotographic developing process using the developer are also disclosed.

Carrier for developing electrostatic latent images, developer, and

An electrostatic image-developing toner comprising at least a resin and a colorant, which contains at least one compound selected from the group consisting of a hydroxynaphthlenecarboxylic acid compound, a hydroxyanthracenecarboxylic acid compound, a bishydroxynaphthalenecarboxylic acid compound a bishydroxyanthracenecarboxylic acid compound, and a metal compound of a pamo acid-type compound.

Electrostatic developing toner with hydroxyaromatic carboxylic acid

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Chigasaki, Japan

Toshiyuki Sueyoshi