Filter and metal ion removing method

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United States of America Patent

PATENT NO 11998864
APP PUB NO 20220331726A1
SERIAL NO

17854784

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Abstract

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A filter includes a porous molding, the porous molding being a sintered product of mixed powder containing dry gel powder including an ion exchange resin and thermoplastic resin powder, or a swelled body of the sintered product. When water having an electric resistivity value of 18 MΩ·cm or more is allowed to pass through a space velocity of 1200 hr−1, the electric resistivity value of water after passage is 15 MΩ·cm or more.

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Patent Owner(s)

Patent OwnerAddress
SOLVENTUM INTELLECTUAL PROPERTIES COMPANY3M CENTER 275-6E-21 2510 CONWAY AVE E MAPLEWOOD MN 55144

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Mitsuaki Tokyo, JP 21 152
Okada, Hideyuki Kanagawa, JP 95 1248
Okada, Yukihisa Tokyo, JP 12 125
Shirai, Takaaki Tokyo, JP 29 111

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