发明名称 |
BIOCIDAL COMPOSITIONS AND METHODS FOR TREATING COMMERCIAL AND RECREATIONAL WATER |
摘要 |
The growth of algae, fungi and pathogenic organisms in commercial and recreational waters, such as cooling towers, swimming pools and spas, may be controlled by adding to the water a primary sanitizing agent, preferably poly(hexamethylene biguanide) ("PHMB"), and a potentiating adjuvant comprising a calcium ion-chelating agent, preferably ethylenediamine tetraacetic acid ("EDTA"), in amounts such that the adjuvant renders the composition algicidal and fungicidal in water. The water may be further treated with a peroxy salt as a backup agent, preferably sodium perborate, or the calcium ion-chelating agent and peroxy salt may be combined as a shock treatment to water being treated with the primary sanitizing agent.
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申请公布号 |
WO9515683(A1) |
申请公布日期 |
1995.06.15 |
申请号 |
WO1994US14020 |
申请日期 |
1994.12.05 |
申请人 |
ZENECA, INC. |
发明人 |
UNHOCH, MICHAEL, J.;LEE, PETER, S., K.;CHASIN, DAVID, G. |
分类号 |
A01N47/44;A01N61/00;C02F1/50;C02F1/72;(IPC1-7):A01N33/12;A01N59/00;A01N59/08;A01N59/14;A01N59/16;A01N59/20 |
主分类号 |
A01N47/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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