Electret containing syndiotactic vinyl aromatic polymer
US5610455A · kind A · utility
55Cited by
21References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1995 |
| Grant date | Mar 11, 1997 |
| Priority date | — |
| Expiry date | Jun 29, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24942
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Electrets are disclosed comprising syndiotactic vinyl aromatic polymer, for example syndiotactic polystyrene. These electrets have good charge retention at elevated temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.