Electric field responsive fluids
US4033892A · kind A · utility
28Cited by
5References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 1975 |
| Grant date | Jul 5, 1977 |
| Priority date | — |
| Expiry date | Jul 7, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M171/001
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fluid composition which is capable of exhibiting a substantial increase in apparent viscosity under the influence of an electric field and which is of the type wherein solid particles of a chemical substance are dispersed in an electrically non-conducting oleaginous vehicle, the chemical substance being a polyhydric alcohol which contains acid groups and which has an open structure wherein a significant amount of water is adsorbed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.