TONER

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United States of America Patent

APP PUB NO 20230117448A1
SERIAL NO

18046590

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A toner comprising a toner particle comprising a binder resin and an ester compound, wherein:

    the binder resin comprises a resin A comprising a specific amount of a long-chain acrylate unit and a styrene-based monomer unit, and a resin B comprising a specific monomer unit in a specific amount;the ester compound has an alkyl chain with a specific chain length,a content of the resin A in the chloroform-soluble portion of the toner particles is 60% by mass or more; andusing SPm (J/cm3)1/2 for a SP value of the long-chain acrylate unit and using SPw (J/cm3)1/2 for a SP value of the ester compound,SPm is 18.00 to 19.00, andSPm and SPw satisfy formula (a).

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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
Fukudome, Kosuke Tokyo, JP 53 811
Kamikura, Kenta Kanagawa, JP 49 555
Kinumatsu, Tetsuya Shizuoka, JP 37 713
Komiya, Yuta Kanagawa, JP 21 47
Uratani, Kozue Shizuoka, JP 38 669

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