Plastic laminated film
US11383485B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Nov 14, 2017 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Feb 1, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A plastic laminated film comprising a first layer comprising a polyamideimide copolymer and a second layer provided on at least one surface of the first layer and comprising a polyimide copolymer. The plastic laminated film has both excellent mechanical properties and UV weathering resistance while being colorless and transparent, and can be suitably used as cover films for various flexible or foldable devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.