COMPOSITIONS FOR TREATING WATER SYSTEMS
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United States of America Patent
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Issued Date -
Aug 22, 2013
app pub date -
Apr 11, 2013
filing date -
Aug 24, 2009
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Abstract
The present invention relates to treatment of water, and more specifically to treatment of water using a stable formulation of polyhexamethylene biguanide (PHMB) and a liquid or solid zinc salt for the application and prevention algae in recirculated and stagnant water systems. The invention also encompasses methods of treating water that already contains PHMB.
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