Paper Product with Increased Relative Wet Tensile Strength and Softness, Method for Production and Use Thereof
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United States of America Patent
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Issued Date -
Dec 11, 2008
app pub date -
Jul 21, 2005
filing date -
Aug 5, 2004
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Abandoned
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Abstract
The present invention relates to flat paper products having an increased relative wet strength and softness, a method for the production of the same and also the use of paper products of this type in the form of tissue products. This is achieved by a cross-linkage of the cellulose fibres contained in the paper product with a cationic graft copolymer which is constructed on the basis of polyethyleneoxide- or polyethyleneglycol segments and polyethyleneimine segments.
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