Fluorinated electret
US6432175B1 · kind B1 · utility
55Cited by
34References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1998 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Jul 2, 2018 |
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.