Invention Grant
- Patent Title: Reversible thermosensitive recording medium, as well as reversible thermosensitive recording label, reversible thermosensitive recording member, image processing apparatus and image processing method
- Patent Title (中): 可逆热敏记录介质，以及可逆热敏记录标签，可逆热敏记录元件，图像处理设备和图像处理方法
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Application No.: US11724895Application Date: 2007-03-16
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Publication No.: US07732373B2Publication Date: 2010-06-08
- Inventor: Tadafumi Tatewaki , Satoshi Arai , Nobuyoshi Sugiyama
- Applicant: Tadafumi Tatewaki , Satoshi Arai , Nobuyoshi Sugiyama
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2006-074368 20060317; JP2006-139746 20060519
- Main IPC: B41M5/42
- IPC: B41M5/42
Abstract:
To provide a reversible thermosensitive recording medium comprising a support, a thermosensitive recording layer formed on the support, and a protective layer formed on the thermosensitive recording layer, wherein the thermosensitive recording layer contains an electron donative coloring compound and an electron acceptive compound, and the color tone reversibly changes depending on the temperature, and the protective layer contains a polymer of a composition containing two kinds of acrylate compounds selected from an acrylate compound having a pentaerythritol group and an acrylate compound having a dipentaerythritol group.
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