Electrostatic image developing toner

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United States of America Patent

PATENT NO 9904189
SERIAL NO

14858739

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Abstract

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The present invention provides an electrostatic image developing toner containing a binder resin, a colorant and a wax, wherein at least one specific peak or shoulder attributable to a melting point of the wax is present at 55 to 90° C., a dust emission (Dt) of said electrostatic image developing toner satisfies the specific formula, another specific peak or shoulder relating to an endothermic quantity is present at 65.6 to 70.8° C., and an average value of tan δ in a range of an angular velocity of 20 to 100 rad/sec in a dynamic viscoelasticity measurement at 140° C. is from 1.62 to 2.20.

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Patent Owner(s)

  • MITSUBISHI CHEMICAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ota, Masaya Niigata, JP 27 183

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