| 发明名称 |
Articles exhibiting durable fluorescence |
| 摘要 |
<p>Retroreflective article (10) comprising an ultraviolet screening screen layer (18) and a color layer (12) containing a defined daylight fluorescent dye dissolved in a defined polymeric matrix. The article exhibits durable fluorescence and resistance to degradation from exposure to sunlight. If desired, the article can be made retroreflective by forming retroreflective elements (20) in the color layer. <IMAGE></p> |
| 申请公布号 |
EP0489561(B1) |
申请公布日期 |
1996.03.06 |
| 申请号 |
EP19910311189 |
申请日期 |
1991.12.02 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
PAVELKA, LEE A.;BURNS, DAVID R.;JOHNSTON, RAYMOND P.;SHINBACH, EDWARD S. |
| 分类号 |
B32B7/02;B32B27/00;B32B27/20;B44F1/04;G09F13/20;(IPC1-7):B44F1/04 |
主分类号 |
B32B7/02 |
| 代理机构 |
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