The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 14, 1989
Filed:
Mar. 16, 1988
Applicant:
Inventor:
James E Stangroom, Sheffield, GB;
Assignee:
ER Fluid Developments Limited, Sheffield, GB;
Primary Examiner:
Int. Cl.
CPC ...
C09R / ; C10M / ;
U.S. Cl.
CPC ...
252 75 ; 252 496 ; 252 58 ; 252 74 ; 252 783 ; 252572 ; 252573 ;
Abstract
An electro-rheological fluid comprising a hydrophilic solid and a hydrophobic liquid component wherein the hydrophobic liquid component comprises a fluorosilicone whose average molecular weight is in the range 200-700.