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:
Jan. 26, 1999
Filed:
Mar. 25, 1997
Applicant:
Inventors:
Assignee:
Nippon Oil Company Co., Ltd, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; H01B / ; H01B / ;
U.S. Cl.
CPC ...
252572 ; 252 73 ; 252 77 ; 252 79 ; 252572 ;
Abstract
An electrorheological fluid comprising a lyotropic liquid crystalline polymer uniformly dissolved in a cyclic ketone solvent or a mixed solvent of a cyclic ketone solvent and at least one electrically insulating solvent selected from a hydrocarbon-based oil, an ester-based oil, and an ether-based oil.