Poly(amide-imide) copolymer, composition for preparing same, article including same, and display device including the article
US12098248B2 · kind B2 · utility
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6References
13Claims
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Key dates
| Filing date | Nov 7, 2019 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Mar 6, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K77/111
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A poly(amide-imide) copolymer that is a reaction product of a diamine represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, a dicarbonyl compound represented by Chemical Formula 3, and a tetracarboxylic acid dianhydride represented by Chemical Formula 4, a composition for preparing the poly(amide-imide copolymer, and an article including the copolymer, e.g., a film are provided:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.