Electroviscous fluid based on polyether acrylates as disperse phase

US5462687A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfgang Podszun · Neunburg vorm Wald, DE
• Robert Bloodworth · Neunburg vorm Wald, DE
• Gunter Oppermann · Dietzenbach, DE

Key dates

• Filing date: Dec 7, 1993
• Grant date: Oct 31, 1995
• Expiry date: Dec 7, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2040/50
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

In an electroviscous liquid comprising a non-aqueous liquid as a dispersion medium, a dispersed particulate polymer and a dispersant, the improvement wherein the polymer contains polyether and (meth)acrylate units.