Cationic polysaccharide, its preparation and use
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United States of America Patent
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Nov 6, 2012
Grant Date -
Nov 11, 2010
app pub date -
Apr 24, 2007
filing date -
Apr 24, 2006
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Abstract
The present invention relates to polysaccharide, preferably starch, of high purity having cationic degree of substitution over 0.50 and bound nitrogen index after cationization reaction stage over 0.75, and to preparation thereof as well as to its use in making of paper or paperboard.
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