Blends of polycarbonate or polyestercarbonate with 4-methyl-1-pentene polymers
US4548991A · kind A · utility
2Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 9, 1983 |
| Grant date | Oct 22, 1985 |
| Priority date | — |
| Expiry date | May 9, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polycarbonate or polyestercarbonate compositions having superior environmental stress crack resistance are obtained by blending with up to about 12 weight percent of a polymer of 4-methyl-1-pentene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.