2-cyanoacrylate-purifying method

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United States of America Patent

PATENT NO 8975433
APP PUB NO 20130331598A1
SERIAL NO

14001372

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Abstract

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Provided is a 2-cyanoacrylate-purifying method for decoloring a 2-cyanoacrylate which has been colored, and preventing further coloring of the 2-cyanoacrylate thus decolored. The 2-cyanoacrylate-purifying method includes the steps of: (a) adding a specific polyhydric aromatic compound to the 2-cyanoacrylate which has been colored; and (b) storing, at a temperature in a range of 0° C. to 40° C. for 0.5 day or more, the resulting mixture obtained in the step (a), and then subjecting the mixture to reduced pressure distillation.

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Patent Owner(s)

Patent OwnerAddress
TAOKA CHEMICAL CO LTDOSAKA-SHI OSAKA 532-0006

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagahama, Yoshio Osaka, JP 5 51
Nishino, Yukinori Osaka, JP 4 19
Yamamoto, Hiroaki Osaka, JP 438 4133

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