Silicone copolymers having tetraorganodisilyloxy groups and intermediates thereof
US5034489A · kind A · utility
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9Claims
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Key dates
| Filing date | Nov 9, 1989 |
| Grant date | Jul 23, 1991 |
| Priority date | — |
| Expiry date | Nov 9, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/48
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Silicone copolymers, such as silicone polyimides, silicone polyamides silicone polyesters and silicone polycarbonates are provided having condensed tetraorganodisiloxy groups. These silicone copolymers and anhydride or acylaromatic organic terminated intermediates are crosslinkable by heat or electron beam radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.