Fluid responsive to a magnetic field
US5354488A · kind A · utility
69Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1992 |
| Grant date | Oct 11, 1994 |
| Priority date | — |
| Expiry date | Oct 7, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/447
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rheological fluid composition which is responsive to a magnetic field. The composition comprises a vehicle, magnetizable particles suspended in the vehicle and a dispersant. The dispersant comprises particles having no dimension greater than 10 nanometers. The dispersant is preferably carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.