Non-opaque flame retardant polycarbonate composition
US4039509A · kind A · utility
18Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 29, 1975 |
| Grant date | Aug 2, 1977 |
| Priority date | — |
| Expiry date | Oct 29, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A non-opaque flame retardant polycarbonate composition comprising in admixture an aromatic carbonate polymer and an additive which may be the metal salts of heterocyclic sulfonic acids; said aromatic carbonate polymer and additive having a refractive index in the range of 1.54 to 1.65.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.