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US 6,649,029 B2Granted
Nonfelting wool and antifelt finishing process
AssigneeBayer Aktiengesellschaft
InventorsBernhard Jansen, Ferdi Kümmeler, Ralf Heinen
Life of this patent
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Abstract
The present invention relates to a specific process in which wool is initially subjected to a plasma treatment and then to a wet chemical treatment with a finishing agent, which provides nonfelting wool in a technically simple and easily handleable manner.
Claims12
A process for antifelt finishing of wool comprising
- (a) exposing the wool to a plasma in a pretreatment, and
- (b) treating the plasma-treated wool with an aqueous dispersion of cationic polyurethanes.
Dependencies are inferred from the claim text.