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:
Aug. 01, 1995
Filed:
May. 25, 1993
Applicant:
Inventor:
Takakazu Yamamoto, Yokohama, JP;
Assignee:
Yuasa Corporation, Takatsuki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
252 622 ; 2521821 ; 429190 ; 429192 ;
Abstract
A solid polymer electrolyte which has excellent heat resistance and high mechanical strength is prepared by incorporating an alkali metal salt or an alkaline earth metal salt into polyvinyl alcohol. The electrolyte can further contain a polar solvent and/or polyether to provide an elevated ionic-conductivity.