Papermaking using modified sheet silicates as microparticles
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United States of America Patent
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Issued Date -
Oct 12, 2006
app pub date -
Sep 21, 2005
filing date -
Oct 5, 2004
priority date (Note) -
Abandoned
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Abstract
Use of sheet silicates containing amino groups, sulphonic acid groups and/or mercapto groups as microparticles in papermaking, in particular for paper retention and/or drainage.
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