Laminated polymicroporous membrane including propylene copolymer and method of producing the same

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United States of America Patent

PATENT NO 9882190
SERIAL NO

14302213

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Abstract

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Disclosed is a laminated separator including a first polyolefin microporous layer and a second polyolefin microporous layer which is laminated on the first polyolefin microporous layer and which is different from the first polyolefin microporous layer, wherein at least one of the first microporous layer and the second microporous layer includes an inorganic particle having a primary particle size of 1 nm or more and 80 nm or less.

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Patent Owner(s)

Patent OwnerAddress
ASAHI KASEI E-MATERIALS CORPORATION1-105 KANDA JINBOCHO CHIYODA-KU TOKYO 101-8101

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ameyama, Keitaro Tokyo, JP 9 114
Ohashi, Masahiro Tokyo, JP 46 388
Sakakibara, Yuzuru Tokyo, JP 8 59

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