Process for producing aqueous fluoropolymer dispersion

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United States of America

PATENT NO 12187859
APP PUB NO 20220213277A1
SERIAL NO

17606309

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Abstract

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A method for producing a fluoropolymer aqueous dispersion, including a step A of subjecting a pre-treatment aqueous dispersion containing a fluoropolymer obtained by polymerization in the presence of a hydrocarbon surfactant to ultrafiltration, microfiltration, or dialysis membrane treatment, or a combination thereof. The ultrafiltration is performed using an ultrafiltration membrane having a molecular weight cutoff of 0.3×104 Da or more.

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Patent Owner(s)

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DAIKIN INDUSTRIES LTDOSAKA CITY OSAKA OF JAPAN OSAKA-SHI OSAKA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujimoto, Yohei Osaka, JP 30 20
Higashi, Masahiro Osaka, JP 75 111
Ishihara, Sumi Osaka, JP 47 40
Kishikawa, Yosuke Osaka, JP 116 44
Yoneda, Satoru Osaka, JP 47 381
Yoshida, Hirotoshi Osaka, JP 51 65

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