Polycarbonate resin compositions for optical use
US5403878A · kind A · utility
8Cited by
3References
15Claims
0Family size
Inventors
Key dates
| Filing date | Mar 17, 1993 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Mar 17, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polycarbonate resin compositions suitable for optical uses and methods for their preparation are disclosed. The disclosed compositions are comprised of polycarbonate resins and .alpha.-olefin oligomers and exhibit good mold release and thermal stability while experiencing little discoloration or molecular weight reduction during molding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.