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US 2021/0348331 A1Published application
Nylon floorcoverings employing vat dyestuffs and methods of making the same
AssigneeWilana Chemical LLC
InventorsDennis J. JONES, Jr., Ralph R. SARGENT
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Abstract
In one aspect, floor coverings are described herein comprising nylon fibers dyed with at least one vat dyestuff, the dyed nylon fibers exhibiting enhancements to lightfastness, color fastness, wet fastness and/or resistance to household bleach.
Claims25
A floor covering comprising:
- nylon fibers dyed with at least one vat dyestuff, the dyed nylon fibers exhibiting a lightfastness rating of at least 3 according to American Association of Textile Chemists and Colorists (AATCC) Test Method 16, Option 3.
A method of making a floor covering comprising:
- providing nylon fibers;
- contacting the nylon fibers with a dyeing composition comprising at least one vat dyestuff in reduced form;
- and
- oxidizing the vat dyestuff applied to the nylon fibers by drying the nylon fibers in air.
1 more element
Dependencies are inferred from the claim text.