发明名称 |
THERMOSENSITIVE DECOLORABLE INK COMPOSITION |
摘要 |
In order to provide a thermosensitive decolorable ink composition which can readily be decolored with simple heating by rubbing and the like without using a microcapsule and is not developed again in color even after stored at very low temperature (−50° C. or lower) and which is excellent in stability with passage of time and has a vivid hue intensity, the above thermosensitive decolorable ink composition is provided with a constitution in which it contains as a colorant, color developing particles comprising at least a leuco dye, a developer and a crystalline substance and in which it further contains a decolorant comprising an amorphous resin.
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申请公布号 |
US2012014740(A1) |
申请公布日期 |
2012.01.19 |
申请号 |
US201013257363 |
申请日期 |
2010.03.25 |
申请人 |
KAMITANI TOSHIMI;OKUYAMA HIROYUKI |
发明人 |
KAMITANI TOSHIMI;OKUYAMA HIROYUKI |
分类号 |
B43K7/00;B82Y30/00;C08K5/41 |
主分类号 |
B43K7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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