Retroreflective elements including particles
US10605967B2 · kind B2 · utility
0Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2015 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Aug 7, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2217/42
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present disclosure generally relates to retroreflective elements including a core and a plurality of glass or glass-ceramic beads adjacent to the core. The retroreflective elements further include a plurality of particles having a diameter that is less than the diameter of the glass or glass ceramic beads in the retroreflective elements. The present disclosure also generally relates to articles (including, for example, retroreflective roadway liquid pavement markings) including these retroreflective elements and methods of making and using these retroreflective elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.