Title:
電池セパレーター用ポリプロピレン微孔質膜
Document Type and Number:
Japanese Patent JP4535527
Kind Code:
B2
Abstract:
A battery separator is a polypropylene microporous membrane, made from a beta-nucleated precursor, and having an electrical resistance of less than 30 ohms-inches per mil, and a puncture strength of greater than 400 grams-force per mil.
Inventors:
Harold M Fisher
Sea Glen Wensley
Sea Glen Wensley
Application Number:
JP17814499A
Publication Date:
September 01, 2010
Filing Date:
June 24, 1999
Export Citation:
Assignee:
Celgard, Inc.
International Classes:
B32B5/18; B32B27/32; C08J5/18; C08J5/22; H01M50/417; H01M50/489; H01M50/491
Domestic Patent References:
| JP7118429A | ||||
| JP63199742A | ||||
| JP9176352A | ||||
| JP9219184A |
Attorney, Agent or Firm:
Seiji Ohno
Koji Morita
Reiko Tanaka
Yuki Yamada
Akiyama Noburi
Koji Morita
Reiko Tanaka
Yuki Yamada
Akiyama Noburi