Transparent and high-heat polycarbonate-polysiloxane copolymers and transparent blends with polycarbonate and a process for preparing same
US7232865B2 · kind B2 · utility
16Cited by
41References
98Claims
0Family size
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Key dates
| Filing date | Mar 10, 2004 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Mar 5, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is provided for making siloxane polycarbonate copolymers and blends of other polycarbonates with such copolymers wherein the copolymers and blends have excellent transparency and physical characteristic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.