Bleaching and dyeing; fluid treatment and chemical modification – Chemical modification of textiles or fibers or products thereof – Treating textiles or fibers from synthetic resin or natural...
Reexamination Certificate
2007-10-02
2007-10-02
Douyon, Lorna M. (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Chemical modification of textiles or fibers or products thereof
Treating textiles or fibers from synthetic resin or natural...
C008S115600, C008S115680
Reexamination Certificate
active
11007840
ABSTRACT:
Methods of enhancing stain resistance of fibers, carpet yarns and carpets are disclosed. In one aspect, the invention relates to a method of treating fiber, yarn or carpet comprising applying an aqueous treating composition to fiber, yarn or carpet, wherein the aqueous treating composition comprises tannic acid heating the fiber, yarn or carpet to a temperature of at least about 160° F.; applying a second topical treating composition to the fiber, carpet or yarn, wherein the second aqueous treating composition comprises a fluorochemical; and heating the fiber, yarn or carpet to a temperature of at least about 160° F.
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Douyon Lorna M.
Khan Amina
Needle & Rosenberg P.C.
Shaw Industries Group, Inc.
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