Polyimidothioethers-inorganic nanoparticle hybrid material, intermediate thereof and their preparation
US8962769B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Jun 27, 2012 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Apr 4, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/125
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to novel polyimidothioethers-inorganic nanoparticle hybrid material, which exhibit good surface planarity, thermal dimensional stability, tunable refractive index, and high optical transparency upon forming into films. The present invention also relates to polyimidothioethers which is an intermediate for preparing the present hybrid material, and their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.