Polymer film
US11970613B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Jun 26, 2020 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Nov 19, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments relate to a polymer film. The polymer film comprises a polymer resin selected from the group consisting of a polyamide-based resin and a polyimide-based resin and has a haze (HZ0) before autoclave treatment of 3% or less and a ΔHZ24 represented by Equation 1a of 500% or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.