| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a water treatment agent capable of suppressing growth of harmful microorganisms such as bacteria and algae in water for a long period of time. <P>SOLUTION: The water treatment agent for anti-microbial is composed of a reaction product of polyhexamethylene biguanide with condensed phosphoric acid, tungstic acid, tetraboric acid, metasilicic acid, salts thereof, and at least one selected from the group consisting of hydrogen carbonate. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
