Retroreflective article comprising locally-laminated reflective layers
US11366252B2 · kind B2 · utility
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57References
27Claims
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Key dates
| Filing date | Oct 25, 2018 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Jan 27, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2307/416
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is a locally-laminated reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the locally-laminated reflective layers may be localized reflective layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.