Toner

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United States of America Patent

PATENT NO 12099326
APP PUB NO 20210302854A1
SERIAL NO

17210974

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Abstract

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A toner comprising a toner particle containing a binder resin containing at least 50 mass % of a polyester resin, wherein the polyester resin contains a polyester resin A having a silicone segment, and in XPS analysis, when X is a ratio of the number of silicon atoms attributable to silicone segments relative to a total number of measured atoms, X1 is a value of the X on the toner particle surface, X2 is a value of the X at a depth of 30 nm from the surface, Z is a ratio of the number of carbon atoms attributable to ester bonds relative to a total number of measured atoms, Z1 is a value of the Z on the toner particle surface and Z2 is a value of the Z at a depth of 30 nm from the toner particle surface, X1, Z1, X2 and Z2 satisfy a specific relationship.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA3-30-2 TOKYO JAPAN TOKYO TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishigami, Koh Chiba, JP 69 1857
Kitamura, Shin Ibaraki, JP 38 238
Murata, Kazuki Ibaraki, JP 21 37
Nakajima, Ryo Chiba, JP 37 263
Nishimura, Yuu Chiba, JP 37 124
Ooyama, Kazunari Ibaraki, JP 15 26
Sano, Hitoshi Chiba, JP 37 303
Shibata, Takaho Tokyo, JP 47 613
Sugahara, Nobuyoshi Tokyo, JP 48 887
Takahashi, Toru Ibaraki, JP 639 7192
Tsujimoto, Daisuke Tokyo, JP 27 359

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