Electrostatic charge image developing carrier, method of preparing electrostatic charge image developing carrier, and electrostatic charge image developer

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United States of America Patent

PATENT NO 9864293
APP PUB NO 20170255120A1
SERIAL NO

15223771

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Abstract

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An electrostatic charge image developing carrier includes magnetic particles and a resin coating layer which covers the magnetic particles, wherein a sulfate ion concentration of the resin coating layer is 0.05% by weight or less with respect to a total weight of the resin coating layer, and when a total value of a molar amount of sulfate ions contained and a molar amount of sulfo groups contained per 1 g of the resin coating layer is A mol and a molar amount of sodium ions contained per 1 g of the resin coating layer is B mol, a relationship of 0.1

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM BUSINESS INNOVATION CORP7-3 AKASAKA 9-CHOME MINATO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Toshiaki Kanagawa, JP 87 2823
Iwanaga, Takeshi Kanagawa, JP 116 1385
Kashima, Yasunobu Kanagawa, JP 50 110
Tanabe, Takashi Kanagawa, JP 32 587
Usami, Masaaki Kanagawa, JP 8 16

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