Patent · US Expired

Fluid responsive to a magnetic field

US5354488A · kind A · utility

69Cited by
11References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1992
Grant dateOct 11, 1994
Priority date
Expiry dateOct 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.