| 发明名称 |
PAVEMENT MARKING ARTICLES HAVING ENHANCED RETROREFLECTIVITY UNDER DRY OR WET CONDITIONS AND METHOD FOR MAKING SAME |
| 摘要 |
Pavement marking articles comprising a monolayer of exposed-lens optical elements (12), a spacing layer (14), and a reflective layer (16) are retroreflective under dry or wet conditions. |
| 申请公布号 |
CA2346374(C) |
申请公布日期 |
2007.10.16 |
| 申请号 |
CA19992346374 |
申请日期 |
1999.08.03 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
HEDBLOM, THOMAS P.;MCGRATH, JOSEPH M.;RICE, ERIC E.;BESCUP, TERRY L. |
| 分类号 |
E01F9/00;E01F9/04;E01F9/08;G02B5/128 |
主分类号 |
E01F9/00 |
| 代理机构 |
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代理人 |
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