ER fluids having chemically defoliated vermiculite treated with an alkyl ammonium halide and methods of making and using the same
US5252239A · kind A · utility
3Cited by
10References
5Claims
0Family size
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Inventor
Key dates
| Filing date | Apr 13, 1992 |
| Grant date | Oct 12, 1993 |
| Priority date | — |
| Expiry date | Apr 13, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/185
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are electrorheological fluids including vermiculite treated with an amine salt, methods of making the same, propylene carbonate adsorbed on the solid phase, butyl benzoate added for the liquid phase, and methods of using frequency response of electrorheological fluids to vary apparent viscosity and to compensate for temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.