Acid anhydride and polyimide using the same
US7193030B2 · kind B2 · utility
2Cited by
5References
13Claims
0Family size
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Inventors
Key dates
| Filing date | Jun 17, 2004 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Apr 27, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/027
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An acid anhydride of the formula (4), and a polyimide using the acid anhydride,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.