NONWOVEN AND YARN POLYPROPYLENE WITH ADDITIVATION
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Oct 28, 2011
filing date -
Oct 28, 2010
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Abandoned
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Abstract
A process to produce improved polypropylene nonwovens or yarns by extruding a mixture of polypropylene(s) and beta nucleating agent(s), or in the alternative, certain clarifiers, to form the improved polypropylene filaments.
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