Composition and method for enhancing stain resistance and product of enhanced stain resistance therefrom
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 5, 2010
Grant Date -
Aug 13, 2009
app pub date -
Feb 26, 2009
filing date -
Sep 11, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fibrous polyamide or wool substrate having resistance to staining by acid colorants comprises, a fibrous polyamide or wool substrate having applied thereto a sulfonated aromatic condensation resin, said resin being a condensation product of a sulfonated dihydroxydiphenyl sulfone, a dihydroxydiphenyl sulfone, a sulfonated naphthalene and an aldehyde; or a sulfonated dihydroxydiphenyl sulfone, a sulfonated naphthalene and an aldehyde; optionally a methacrylic acid polymer is also applied thereto as well as a fluorochemical; an aqueous formulation of the resin is also provided which formulation may include the methacrylic acid polymer as well as the fluorochemical Additionally there may be employed a salt to enhance exhaustion of components onto the substrate; a method of treating a fibrous polyamide or wool substrate employing the formulation is also provided.
First Claim
Other Claims data not available
