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:
Sep. 18, 2001
Filed:
May. 19, 1999
Applicant:
Inventors:
Takahiro Daido, Iwakuni, JP;
Takeyuki Kawaguchi, Iwakuni, JP;
Assignee:
Teijin Limited, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/18 ;
U.S. Cl.
CPC ...
H01M 6/18 ;
Abstract
A high-strength, heat-resistant and high-safety electrolytic-solution-supporting polymer film which can be applied to secondary batteries typified by lithium and lithium ion secondary batteries and which has an ionic conductivity of at least 5×10,S/cm at 25° C., a puncture strength of at least 300 g and a mechanical heat resistance of at least 300° C.