Polyamide-imide resin film
US11518853B2 · kind B2 · utility
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2References
7Claims
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Key dates
| Filing date | Dec 7, 2018 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Oct 4, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is provided a polyamide-imide resin film including a polyamide-imide block copolymer having a specific structure and having a predetermined retardation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.