| 发明名称 |
MICROSPHERES HAVING A HIGH INDEX OF REFRACTION |
| 摘要 |
The present disclosure relates to microspheres (i.e., beads) having a high index of refraction. The disclosure also relates to retroreflective articles, and in particular pavement markings, comprising such microspheres.
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| 申请公布号 |
US2009123754(A1) |
申请公布日期 |
2009.05.14 |
| 申请号 |
US20090356388 |
申请日期 |
2009.01.20 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
FREY MATTHEW H.;FREDERICK, JR. BILLY J.;BESCUP TERRANCE L. |
| 分类号 |
B32B18/00;B82B1/00;C03B19/10;C03C3/062;C03C3/12;C03C10/00;C03C12/00;C03C12/02;C04B35/462;C04B35/653;G02B5/128 |
主分类号 |
B32B18/00 |
| 代理机构 |
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