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US 7,608,139 B2Granted
Erasable image forming material
AssigneeKabushiki Kaisha Toshiba
InventorsTakeshi Gotanda, Satoshi Takayama, Kenji Sano, Yumiko Sekiguchi, Shinya Sakurada
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Abstract
An erasable image forming material is provided, which includes a binder resin, and a color former and a developer dispersed in the binder resin. The color former is amorphous.
Claims6
A method of manufacturing an erasable image forming material, comprising:
- melting a color former by heating it at a temperature of a melting point or more;
- cooling the molten color former at a temperature lower than the melting point to obtain an amorphous color former;
- and
- mixing a developer and a binder to the amorphous color former after cooling.
1 more element
Dependencies are inferred from the claim text.