Laminated polyolefin microporous membrane including propylene-α-olefin copolymer and method of producing the same

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United States of America Patent

PATENT NO 9853272
SERIAL NO

14302040

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The disclosure provides a laminated polyolefin microporous membrane having propylene-α-olefin copolymer and methods of producing the same. The laminated polyolefin microporous membrane has a two-type three layer structure in which first polyolefin microporous layers are surface layers and a second polyolefin microporous layer is an intermediate layer which is different from the first polyolefin microporous layer.

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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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