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. 25, 1989
Filed:
Oct. 24, 1986
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Meidensha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429101 ; 429249 ;
Abstract
An ion-exchange porous, secondary battery separation membrane produced by mixing a high molecular compound matrix material, an ion exchange material, and a pore forming material, kneading the materials, forming the kneaded materials in the form of a membrane, and extracting the pore forming material from the membrane.
Fujii, Toshinobu. (1989). Secondary battery with ion-exchange porous membrane (U.S. Patent No. 4824743). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4824743
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile