Alkoxylated lanolin derivatives as deinking agents
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United States of America Patent
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Aug 19, 1997
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N/A
app pub date -
Jul 20, 1995
filing date -
Jul 20, 1995
priority date (Note) -
Expired
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Abstract
Deinking of printed paper is accomplished by repulping and defibering the printed paper in an alkaline aqueous medium containing a deinking composition to form an ink and pulp medium. The deinking composition is an alkoxylated lanolin derivative containing from about 55 to about 80% by weight of ethylene oxide and from about 15 to about 30% by weight of propylene oxide, based on the weight of the alkoxylated lanolin derivative.
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