Patent · US Expired

Polymeric salts as dispersed particles in electrorheological fluids

US5470498A · kind A · utility

5Cited by
20References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1994
Grant dateNov 28, 1995
Priority date
Expiry dateMay 3, 2014

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.