Fluorinated electret
US6562112B2 · kind B2 · utility
59Cited by
43References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2002 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Apr 19, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electret is described that includes a surface modified polymeric article having surface fluorination produced by fluorinating the polymeric article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.