Composition for preparing polyimide or poly(imide-amide) copolymer, polyimide or poly(imide-amide) copolymer, article including polyimide or poly(imide-amide) copolymer, and display device including the article
US10815343B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 25, 2018 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Aug 7, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D179/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition for preparing at least one of a polyimide and a poly(imide -amide) copolymer, the composition including at least one of a polyamic acid and a poly(amic acid-amide) copolymer, and at least one of a carbodiimide derivative and a carbodiimidazole derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.