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:
Jul. 18, 1978
Filed:
Dec. 21, 1976
Applicant:
Inventors:
Yutaka Taketani, Osaka, JP;
Shinichi Niwa, Osaka, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01G / ;
U.S. Cl.
CPC ...
252 622 ; 361433 ;
Abstract
An electrolyte for electrolytic capacitors comprising N-ethylformamide or its mixture with any other solvent containing at least about 10% by weight of N-ethylformamide and an acid salt of maleic acid with ammonia or an amine. The electrolyte can be used in electrolytic capacitors designed to operate in a temperature range of about -65.degree. to 100.degree. C.