Water-degradable paper sheet, and tube for a paper roll consisting of such a sheet
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United States of America Patent
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Jun 24, 2014
Grant Date -
Dec 15, 2011
app pub date -
Dec 16, 2009
filing date -
Dec 18, 2008
priority date (Note) -
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Abstract
A water-degradable paper sheet has a basis weight of 80 to 400 g/m2 and is dry-formed from paper fibers bound together by a water-soluble binder including starch, the amount of binder in the sheet being 30 to 70%. Additionally, a tube is formed by a cylinder having a wall that includes at least one dry-formed paper sheet including paper fibers bound together by a water-soluble binder.
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Cited Art Landscape
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