Process for the removal of residues from textile substrates
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United States of America Patent
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Aug 26, 1997
Grant Date -
N/A
app pub date -
Sep 22, 1995
filing date -
Sep 22, 1995
priority date (Note) -
Expired
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Abstract
A process is described for the removal of residues, in particular of unfixed dyes, dye degradation products, chemical and/or processing agent residues from textile substrates. For this purpose the textile substrates are arranged in an apparatus and treated there with an aqueous liquor for a predetermined time to remove residues, whereby a decreasing amount of fresh liquor is introduced into the apparatus and simultaneously a decreasing amount of liquor loaded with residues is removed from the apparatus as the treatment time progresses.
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