Water-disintegrable sheet and pouch made of the same for excreta-holding wear
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United States of America Patent
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Jul 24, 2012
Grant Date -
Feb 18, 2010
app pub date -
Jul 25, 2008
filing date -
Jul 26, 2007
priority date (Note) -
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Abstract
A water-degradable sheet undergoes biodegradation and prevents drainage facilities (e.g., a sewage treatment tank) from clogging. The sheet includes a water-degradable substrate and a water-resistant layer, along with an enzyme that acts to decompose the substrate. The water-degradable sheet can reconcile water resistance with water solubility. The water-degradable sheet dissolves in water after immersion in water. The water-resistant layer can also contain a biodegradable substrate. An excretion receptacle having a pouch that includes the water-degradable sheet is also provided.
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