Non-Woven Colour-Catcher Fabric and Method for its Preparation
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United States of America Patent
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Issued Date -
May 28, 2009
app pub date -
Jan 29, 2007
filing date -
Feb 1, 2006
priority date (Note) -
Abandoned
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Abstract
Procedure for preparing a non-woven colour-catcher fabric comprising the following steps: a) a cationic dye sequestering agent is applied on a non-woven fabric; b) the non-woven fabric is dried at a temperature comprised between 120 and 180° C.; c) a printing paste comprising an anionic polyacrylic dispersant or a sulfonated aromatic-formaldehyde condensation product having dispersing properties is applied on the non-woven fabric by printing technique.
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