Separator for electricity storage devices, and electricity storage device

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United States of America

PATENT NO 12087903
SERIAL NO

17565607

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Abstract

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A separator for electricity storage devices, which comprises a porous layer that contains a polyolefin resin and an ionic compound, and which is configured such that: the content of the ionic compound in the porous layer is from 5% by mass to 99% by mass (inclusive); and the degree of whiteness of this separator is more than 98.0.

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Patent Owner(s)

Patent OwnerAddress
ASAHI KASEI BATTERY SEPARATOR CORPORATION1-1-2 YURAKUCHO CHIYODA-KU TOKYO 100-0006

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatayama, Hiroshi Tokyo, JP 16 104
Hisamitsu, Shinya Tokyo, JP 4 1
Inaba, Shintaro Tokyo, JP 4 1
Inagaki, Daisuke Tokyo, JP 21 230
Murakami, Masato Tokyo, JP 67 365

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Mar 10, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 10, 2032
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Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00