Retroreflective sheeting
US10618234B2 · kind B2 · utility
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37References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 29, 2017 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Mar 29, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/124
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present application relates generally to retroreflective sheeting and the tools and methods used to make retroreflective sheeting. Microreplication tools and sheeting include controlled surface structure or haze. The surface structure or haze can be introduced, for example, by chemical etching of the tool surface and/or electroplating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.