Organopolysiloxane-phenolphthalein-polycarbonate copolymers
US4167536A · kind A · utility
7Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 21, 1978 |
| Grant date | Sep 11, 1979 |
| Priority date | — |
| Expiry date | Jul 21, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/52
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymeric compositions containing organosiloxane units, carbonate units and a phenolphthalein nucleus are found to be both thermally processable and possess excellent flame resistance and smoke properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.