Highly Filled Colorant Composition for Colouring Olefinic and Non-Olefinic Plastics
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United States of America Patent
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Issued Date -
Apr 23, 2009
app pub date -
May 3, 2006
filing date -
May 11, 2005
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Abandoned
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Abstract
Colorant composition finely divided colorants and two or more polyolefin waxes, the quantitatively greater fraction representing a metallocene wax, and the further waxes being polar or a polar non-metallocene-polyolefin waxes or copolymers of ethylene. All of the polyolefin waxes together make up at least 15% by weight of the formula, and melt between 70 and 15O0 C. The colorant composition of the invention features reduced dust and is used for masterbatch production.
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