High performance power cable shield
US6291772A · kind A · utility
5Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Apr 25, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B1/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved shielding composition for power cables is disclosed. The composition includes a base polymer, conductive carbon black and various additives, including trimethylquinoline as an antioxidant in greater than conventional amounts. Cable shields prepared from the composition exhibit improved aging performance in accelerated cable life tests (ACLT).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.