Toner
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United States of America Patent
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Oct 30, 2018
Grant Date -
Sep 3, 2015
app pub date -
Feb 24, 2015
filing date -
Feb 28, 2014
priority date (Note) -
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Abstract
A toner including a toner particle that contains a binder resin, a polyester resin A and a wax, wherein the polyester resin A contains a specific amount of an isosorbide unit based on a total number of monomer units constituting the polyester resin A, the content of the polyester resin A is a specific amount, and when observing a cross-section of the toner, twenty toner particle cross-sections are selected that have a major axis R (μm) that satisfies a specific relationship with respect to the weight-average diameter D4 (μm) of the toner, each major axis r that have the largest major axis is measured for those domains composed of wax present in the selected toner particle cross-sections, and the arithmetic mean (r/R)st of the determined r/R satisfies a specific relationship.
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