Antimicrobially treated material and methods of preventing coloring thereof
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United States of America Patent
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Apr 27, 2010
Grant Date -
Aug 21, 2003
app pub date -
Sep 10, 2002
filing date -
Sep 14, 2001
priority date (Note) -
Expired
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Abstract
The present invention is an antimicrobially-treated material which has a coloring preventing function and is in contact with water or moisture or contains water, comprising (A) a silver-based antimicrobial agent which dissociates silver ions in the water system and (B) a silver ion trapping agent for trapping silver ions comprising one or more kinds of compounds selected from the group consisting of purine bases, pyrimidine bases, thiabendazole, and potassium iodide, wherein a ratio of (A)/(B) is 1/1 to 100/1 by weight.
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