Copolycarbonate and composition comprising the same
US10174194B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Dec 2, 2015 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Dec 2, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K21/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a copolycarbonate having an aromatic polycarbonate-based first repeating unit and one or more aromatic polycarbonate-based second repeating units having siloxane bonds, where the copolycarbonate provides an improved residence heat stability, and where the second repeating unit includes a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.