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US 2003/0118929 A1Published application
Toner
AssigneeKao Corporation
InventorsEiji Shirai, Masayuki Maruta, Katsutoshi Aoki
Life of this patent
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Abstract
A toner comprising a resin binder comprising a crystalline resin; a colorant; and fine inorganic particles, the fine inorganic particles being externally added thereto, wherein a coating ratio of the fine inorganic particles on a surface of the toner is 130 to 300%. The toner can be suitably used for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing method and the like.
Claims13
A toner comprising:
- a resin binder comprising a resin having a ratio of a softening point to a maximal peak temperature of heat of fusion of 0.6 or more and less than 1.1 (hereinafter referred to as “crystalline resin”);
- a colorant;
- and
- fine inorganic particles, said fine inorganic particles being externally added thereto,
- wherein a coating ratio of said fine inorganic particles on a surface of the toner is 130 to 300%.
2 more elements
Dependencies are inferred from the claim text.