METHOD FOR PURIFYING EASILY POLYMERIZABLE SUBSTANCE

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United States of America Patent

SERIAL NO

15532723

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Abstract

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A method for purifying an easily polymerizable substance efficiently to improve the troublesome matters when cleaning, e.g., reducing the number of times the metal mesh is cleaned. The method for purifying an easily polymerizable substance of the present invention comprises a step of introducing a crude liquid containing the easily polymerizable substance into a distillation column, and a first separation step of introducing a bottoms liquid extracted from a collection part of the distillation column into a wet cyclone, to separate a first purified liquid containing the easily polymerizable substance from a liquid containing an insoluble solid.

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Patent Owner(s)

Patent OwnerAddress
NIPPON SHOKUBAI CO LTD1-1 KORAIBASHI 4-CHOME CHUO-KU OSAKA-SHI OSAKA 541-0043

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HARA, Seiichi Hyogo, JP 48 227
HISANAGA, Motoki Hyogo, JP 2 5
IMAZU, Hiroki Hyogo, JP 11 129
KAKUTA, Hisao Hyogo, JP 2 5
MOTOFUJI, Masahiro Hyogo, JP 2 3

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