Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
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United States of America Patent
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Sep 30, 2008
Grant Date -
May 13, 2004
app pub date -
Oct 24, 2003
filing date -
Oct 24, 2002
priority date (Note) -
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Abstract
Additives for paper making are disclosed herein. Specifically, the additives are wax-free alternatives to conventional coatings, including ASA, AKD and optionally an acrylic containing composition. Other additives may be included in the coating, such as cationic particles or compositions. The coatings may be used at a variety of points during the paper making process, including on the calender stack and in the wet end.
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