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:
Apr. 01, 1997
Filed:
Oct. 18, 1994
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01G / ; H01G / ;
U.S. Cl.
CPC ...
252 622 ; 429192 ; 429189 ; 429194 ; 429191 ; 429201 ; 429198 ; 361505 ; 361509 ; 361525 ; 361527 ; 361529 ;
Abstract
A stable ion-conductive polymer electrolyte for an electrolytic capacitor comprises: a polymer made up of a prepolymer which has a polyol skeletal structure including polyalkylene oxide units, at least one ammonium salt, and at least one organic solvent. The skeletal structure is exemplified as trimethylol propane, trimethylolol ethane or tetramethylol methane.