Modificaton of starch
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United States of America Patent
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Sep 15, 1998
Grant Date -
N/A
app pub date -
Jan 17, 1997
filing date -
Jan 26, 1996
priority date (Note) -
Expired
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Abstract
The invention generally relates to a process for modification of cationic starch at which the cationic starch is treated, in the presence of water, with an aluminium compound. The modified cationic starch is useful as a retention agent. The invention also relates to a method for improving retention and/or dewatering in papermaking at which cationic starch is modified by the process.
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