SEPARATING METHOD OF FLUORINE-CONTAINING SOLVENT, REMOVING METHOD OF FLUORINE-CONTAINING SOLVENT CONTAMINANT, AND APPARATUS THEREFORE

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United States of America Patent

APP PUB NO 20180043282A1
SERIAL NO

15557162

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object of the invention is to separate a fluorine-containing solvent in a short time and efficiently from a fluorine-containing solvent which contains alcohol. There is provided a method for separating a fluorine-containing solvent by filtering a mixed liquid composition containing the fluorine-containing solvent, alcohol and water with a membrane containing fluorine resin.

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Patent Owner(s)

Patent OwnerAddress
DUPONT-MITSUI FLUOROCHEMICALS CO LTDCHIYODA-KU TOKYO

International Classification(s)

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  • 2016 Application Filing Year
  • C11D Class
  • 887 Applications Filed
  • 558 Patents Issued To-Date
  • 62.91 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ITO, MIKI Shizuoka, JP 15 80
KIKUCHI, HIDEAKI Shizuoka, JP 110 1033
MATSUMOTO, TAKANORI Shizuoka, JP 36 204

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  • 0 Citation Count
  • C11D Class
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  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges31940332501 - 1011 - 2021 - 300255075100125150175200225250275300325350375400425

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