| 发明名称 |
REWRITABLE AND ERASABLE WRITING SHEET |
| 摘要 |
<p>The invention is rewritable and erasable writing sheet. The writing sheet comprises a base film, and a rewritable and erasable information recording layer formed on the base film. The information recording layer comprises a mat material composed of silicone particles, and a release material.</p> |
| 申请公布号 |
EP1644199(A1) |
申请公布日期 |
2006.04.12 |
| 申请号 |
EP20040776798 |
申请日期 |
2004.06.17 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SUGIBUCHI, TAKASHI |
| 分类号 |
B43L1/00;A63H33/38;B32B33/00;B41M5/52;B43L1/10;(IPC1-7):B41M5/00 |
主分类号 |
B43L1/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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