Polyester surfactants for deinking
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United States of America Patent
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Sep 3, 2013
Grant Date -
Feb 14, 2013
app pub date -
Oct 22, 2012
filing date -
Nov 11, 2009
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Abstract
The present invention relates to cost-effective and environmentally friendly polyester surfactants for use in flotation deinking. The improved ink collection of the present invention can result in deinked pulp of high quality and/or yields that has excellent brightness and effective residual ink concentration values.
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