Patent · US Expired

Polymeric salts as dispersed particles in electrorheological fluids

US5336423A · kind A · utility

19Cited by
15References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1992
Grant dateAug 9, 1994
Priority date—
Expiry dateMay 5, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/50
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Electrorheological fluids which exhibit good high temperature performance are made using as the disperse phase a salt of a polymer of an alkenyl substituted aromatic comonomer such as styrene and a maleic acid comonomer or derivative thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.