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US 2003/0148061 A1Published application
Sodium silicate coating process and products incorporating same
AssigneeTextile Rubber & Chemical Company, Inc.
InventorsVan I. Doesburg, James E. Wilson JR.
Life of this patent
Estimating the term…
Abstract
There is disclosed a carpet product. The carpet product comprises a polymer-coated carpet backing, a layer of silicate on the polymer-coated carpet backing, and a layer of polyurethane on the layer of silicate. A method of producing the carpet product is also disclosed.
Claims24
A carpet product comprising:
- a primary backing tufted with yarn to form a face pile on one side of said backing and loop backs on the other side of said backing;
- a polymer coating on said other side of said backing to secure said loop backs thereto;
- a layer of silicate formed on said polymer coating;
- and
- a layer of polyurethane disposed on said layer of sodium silicate.
2 more elements
A method comprising the steps of
- applying a layer of silicate to a polymer-coated carpet backing;
- curing the layer of silicate;
- applying a layer of polyurethane to said cured layer of silicate;
- and
- curing the layer of polyurethane.
2 more elements
A carpet product comprising:
- a polymer-coated carpet backing;
- a layer of silicate on said polymer-coated carpet backing;
- and
- a layer of polyurethane on said layer of silicate.
1 more element
A carpet product comprising:
- a polymer-coated carpet backing, said polymer comprising styrene-butadiene rubber;
- a layer of sodium silicate on said polymer-coated carpet backing, said silicate layer being present in an amount of approximately 0.01 to 0.25 ounces per square yard of carpet;
- and
- a layer of polyurethane foam on said layer of silicate.
1 more element
A carpet product comprising:
- a polymer-coated carpet backing;
- and
- a layer of silicate on said polymer-coated carpet backing.
Dependencies are inferred from the claim text.