Optical laminate
US12019256B2 · kind B2 · utility
1Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2020 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Jun 11, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/16
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An optical laminate that does not cause a reddening phenomenon even when driven or maintained under extremely harsh conditions (e.g., very high temperature conditions), or a reddening-resistant layer applied thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.