High performance natural zeolite microparticle retention aid for papermaking
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United States of America Patent
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Apr 10, 2007
Grant Date -
Dec 8, 2005
app pub date -
May 17, 2004
filing date -
May 17, 2004
priority date (Note) -
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Abstract
A microparticle retention aid for use in papermaking containing a high performance purified natural zeolite pigment is disclosed. Use of the pigment facilitates manufacture of papers with improved quality and economics. When used as filler, the novel zeolite pigment is readily retained and eliminates print-through in uncoated papers. The novel zeolite pigment is low in abrasion and provides improved coefficient of friction.
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