Polyimide precursor composition and method for producing polyimide precursor composition
US9988534B2 · kind B2 · utility
3Cited by
4References
8Claims
0Family size
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Key dates
| Filing date | Aug 22, 2016 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Aug 22, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D179/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyimide precursor composition includes a solvent mixture containing an alcohol solvent and a water-insoluble solvent that is at least one selected from the solvent group consisting of water-insoluble ketones and water-insoluble ethers; and a polyimide precursor dissolved in the solvent mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.