Composition for preparing polyimide, polyimide, and article including same
US10100151B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Nov 21, 2014 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | Jul 27, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition for preparing a polyimide including a tetracarboxylic dianhydride mixture including a tetracarboxylic dianhydride represented by Chemical Formula 1A, Chemical Formula 1B, or a combination thereof, a tetracarboxylic dianhydride represented by Chemical Formula 2, and a diamine represented by Chemical Formula 3:NH2—R1—NH2 Chemical Formula 3
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.