1,3-diiodohydantoin compound and production method thereof

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United States of America Patent

PATENT NO 8722902
APP PUB NO 20110087031A1
SERIAL NO

12926898

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Abstract

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The present invention provides a means which can inhibit release of I2 in production or storage of 1,3-diiodohydantoin compound, and thereby solve decrease in purity of the compound and various problems caused by I2. The present invention provides a production method for 1,3-diiodohydantoin compound comprising a step to prepare a wet body containing a 1,3-diiodohydantoin compound, and (1) a step to dry the wet body by contacting the wet body with heated gas or (2) a step to lyophilize the wet body, a storage method for 1,3-diiodohydantoin compound comprising a step to store a 1,3-diiodohydantoin compound under a temperature condition of 15° C. or lower, and a 1,3-diiodohydantoin compound wherein content of released I2 is 1% by mass or less.

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Patent Owner(s)

Patent OwnerAddress
NIPPON CHEMICALS CO LTDTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanamura, Yukihiko Isumi, JP 8 24
Inoue, Kazuhisa Isumi, JP 14 64
Miyazawa, Takaaki Chuo-ku, JP 5 25

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