Thermoplastic polybutylene terephthalate molding compositions of improved tracking resistance
US4043971A · kind A · utility
20Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1976 |
| Grant date | Aug 23, 1977 |
| Priority date | — |
| Expiry date | Apr 21, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Thermoplastic polybutylene terephthalate molding compositions containing calcium sulfate and/or barium sulfate to increase the tracking resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.