Toner and two-component developer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9417540
APP PUB NO 20150185650A1
SERIAL NO

14568727

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Abstract

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Provided is a toner obtained by melting and kneading a binder resin containing a polyester resin A and a polyester resin B, a colorant, and a wax, in which in the resin A, the content of a polyhydric alcohol unit derived from an aromatic diol, the content of a polyhydric alcohol unit derived from an oxyalkylene ether of a novolac type phenol resin, and the content of a polyvalent carboxylic acid unit derived from an aliphatic dicarboxylic acid, which contains a straight-chain hydrocarbon having 4 or more to 16 or less carbon atoms as a main chain and has carboxyl groups at both of its terminals, fall within specific ranges, and in the resin B, the content of a polyhydric alcohol unit derived from an aromatic diol and the content of a polyvalent carboxylic acid unit derived from an aromatic dicarboxylic acid or a derivative thereof fall within specific ranges.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 146-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujikawa, Hiroyuki Yokohama, JP 90 2322
Hashimoto, Takeshi Moriya, JP 265 3412
Iwasaki, Yosuke Abiko, JP 37 612
Kaneko, Hideki Yokohama, JP 127 1332
Kanno, Ichiro Abiko, JP 71 1389
Kobori, Takakuni Toride, JP 58 1358
Komatsu, Nozomu Toride, JP 64 1896
Takenaka, Kohji Toride, JP 12 274

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