Combined chlorine agent and production and use thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9700847
APP PUB NO 20130026097A1
SERIAL NO

13637521

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Importance

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Abstract

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A combined chlorine agent having a low concentration of free chlorine and a high concentration of combined chlorine whereby the combined chlorine concentration of water can be increased when added to water systems at a low concentration of free chlorine. The combined chlorine agent is an aqueous agent which contains an alkali metal hydroxide, sulfamic acid, and an oxidizing agent based on chlorine, wherein the compositional ratio of the oxidizing agent based on chlorine to the sulfamic acid is in the range from 0.45 to 0.6 by Cl/N (mole ratio), the compositional ratio of the oxidizing agent based on chlorine to alkali is in the range from 0.3 to 0.4 by Cl/alkali metal (mole ratio), and the free chlorine concentration in the aqueous agent is 2% by weight or lower of the total chlorine concentration.

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Patent Owner(s)

Patent OwnerAddress
KURITA WATER INDUSTRIES LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Tetsuya Tokyo, JP 63 374
Hirao, Takanori Tokyo, JP 2 19

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