Aqueous compositions for sizing of paper
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United States of America Patent
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May 6, 1997
Grant Date -
N/A
app pub date -
Jan 6, 1995
filing date -
Jul 7, 1992
priority date (Note) -
Expired
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Abstract
The present invention provides a paper sizing composition which comprises a sizing agent selected from cyclic dicarboxylic acid anhydride or alkyl ketene dimer, a stabilizing and/or dispersing agent which is an amphoteric polymer and a polyaluminum compound.
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