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:
Nov. 29, 2005
Filed:
Mar. 03, 2005
Kazunari Hayashi, Uji, JP;
Ryoko Takaoka, Hirakata, JP;
Hisao Nagara, Uji, JP;
Kazumitsu Honda, Hirakata, JP;
Yoshihiro Watanabe, Osaka, JP;
Kazunari Hayashi, Uji, JP;
Ryoko Takaoka, Hirakata, JP;
Hisao Nagara, Uji, JP;
Kazumitsu Honda, Hirakata, JP;
Yoshihiro Watanabe, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An aluminum electrolytic capacitor produced by winding an anode foiland a cathode foilvia a separatorimpregnated with a driving electrolyte solution, wherein the driving electrolyte solutioncomprises a polar solvent, at least one electrolyte selected from inorganic acids, organic acids, inorganic acid salts, and organic acid salts, and a random copolymer of polyoxyethylene and polyoxypropylene having a hydroxy group at one end and a hydrogen group at the other end and the separatoris formed by overlaying a cellulosic fiber-mixed paper, a cellulosic fiber paper, and a cotton linter. The present invention provides a long-lasting driving electrolyte solution higher in electric conductivity and superior in the chemical self-restoring ability and heat resistance at high temperature, and an aluminum electrolytic capacitor using the same.