Deinking wastepaper using reaction products of epoxidized C.sub.10 -C.sub.22
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United States of America Patent
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Mar 11, 1997
Issued Date -
N/A
app pub date -
Dec 1, 1995
filing date -
Apr 23, 1992
priority date (Note) -
Expired
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Abstract
Wastepaper containing printing ink is refined in the presence of the reaction products of epoxidized derivatives of C.sub.10 -C.sub.22 carboxylic acids with alkoxylated carbohydrate-derived polyols and the detached printing ink particles are subsequently removed from the paper stock suspensions by flotation or washing.
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