| 发明名称 |
papel laser que pode formar imagem |
| 摘要 |
The invention relates to a method of marking a substrate comprising treating the substrate with a boron compound and a charrable agent, and, irradiating the areas of the substrate to be marked such that those areas change colour. Marked substrates obtainable by this method are also provided. |
| 申请公布号 |
BRPI0918266(A2) |
申请公布日期 |
2015.12.15 |
| 申请号 |
BR2009PI18266 |
申请日期 |
2009.08.26 |
| 申请人 |
DATALASE LTD. |
发明人 |
ANTHONY JARVIS;CHRISTOPHER WYRES;MARTIN WALKER;WILLIAN GREEN |
| 分类号 |
B41M5/00;B41M5/28;D21H17/03;D21H21/28;D21H21/40 |
主分类号 |
B41M5/00 |
| 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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