Title:
AQUEOUS SOLUTION AND METHOD OF PROLONGING LIFE OF RESIDUAL CHLORINE IN AQUEOUS SOLUTION
Document Type and Number:
WIPO Patent Application WO/2008/072388
Kind Code:
A1
Abstract:
An aqueous solution which retains a high residual chlorine concentration over long and has excellent disinfectant (bactericidal) ability. The aqueous solution contains at least one member selected from the group consisting of halogen acids and salts thereof and further contains active oxygen, wherein the halogen acids are at least one member selected from the group consisting of hypochlorous acid, chlorous acid, chloric acid, and perchloric acid, the total amount of the at least one member selected from the group consisting of the halogen acids and salts thereof and contained in the aqueous solution is 10-50,000 ppm, and the total amount of the active oxygen contained in the aqueous solution is 0.1-1,000 ppm.
Inventors:
ITO HIDETAKA (JP)
Application Number:
PCT/JP2007/060868
Publication Date:
June 19, 2008
Filing Date:
May 29, 2007
Export Citation:
Assignee:
IDEO CO LTD (JP)
ITO HIDETAKA (JP)
ITO HIDETAKA (JP)
International Classes:
A01N59/08; A01N59/00; A01P3/00; A61L2/18; B08B3/08; C01B11/06; C01B11/10; C01B11/14; C01B11/16; C02F1/46; C11D7/18
Domestic Patent References:
WO2000008956A1 | 2000-02-24 |
Foreign References:
JPH1157718A | 1999-03-02 | |||
JPH0938655A | 1997-02-10 | |||
JPH081160A | 1996-01-09 | |||
JP2005538178A | 2005-12-15 | |||
JPH04360672A | 1992-12-14 |
Attorney, Agent or Firm:
UDAKA, Katsuki (14 Kandasakumacho 1-chome,Chiyoda-k, Tokyo 25, JP)
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