| 发明名称 |
METHOD FOR MAKING RETROREFLECTIVE ELEMENTS HAVING ENHANCED RETROREFLECTIVITY UNDER WET CONDITIONS |
| 摘要 |
<p>The present invention comprises a method for making retroreflective elements which are retroreflective under dry and/or wet conditions. The method provides a means for placing optical elements and/or skid-resistant particles on selected surfaces.</p> |
| 申请公布号 |
EP1123195(B1) |
申请公布日期 |
2004.11.17 |
| 申请号 |
EP19990938815 |
申请日期 |
1999.07.29 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
HEDBLOM, THOMAS, P.;RICE, ERIC, E. |
| 分类号 |
E01F9/04;B29D11/00;E01F9/06;G02B5/128;G09F19/22;(IPC1-7):B29D11/00 |
主分类号 |
E01F9/04 |
| 代理机构 |
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