Method for making siloxane copolycarbonates
US6252013A · kind A · utility
43Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2000 |
| Grant date | Jun 26, 2001 |
| Priority date | — |
| Expiry date | Jan 18, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/448
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A melt condensation polymerization process for preparing siloxane copolycarbonates is provided. The process includes reacting an aromatic dihydroxy compound, carbonic acid diester, hydroxyaryl terminated polydiorganosiloxane and catalyst with a salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.