Poly(amide-imide) copolymer, composition for preparing same, article including same, and display device including the article
US11535711B2 · kind B2 · utility
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Key dates
| Filing date | Jun 3, 2020 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Jun 23, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/08
- 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 tetracarboxylic acid dianhydride including a compound represented by Chemical Formula 2, and a compound represented by Chemical Formula 3:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.