Magnetically responsive foam and manufacturing process therefor
US6673258B2 · kind B2 · utility
4Cited by
27References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 11, 2001 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Nov 3, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/447
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A magnetically responsive foam has a three-dimensional cellular structure comprising the reaction product of a liquid phase foam system to which has been added a magnetic fluid and a blowing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.