08283017 is referenced by 4 patents and cites 379 patents.

The present invention pertains to carpet and method of making it. In one aspect, the carpet includes (a) a primary backing which has a face and a back surface, (b) a plurality of fibers attached to the primary backing and extending from the face of the primary backing and exposed at the back surface of the primary backing, (c) an adhesive backing, (d) an optional secondary backing adjacent to the adhesive backing, and (e) at least one homogeneously branched linear ethylene polymer. The method includes extrusion coating at least one homogeneously branched linear ethylene polymer onto the back surface of a primary backing to provide an adhesive backing. The method can include additional steps or procedures, either separately or in various combinations. Additional steps and procedures include preheating the primary backing prior the extrusion step, multilayer adhesive backings, washing or scouring the primary backing prior the extrusion step, and utilizing adhesive polymeric additives, high heat content fillers, blowing agents and/or implosion agents. The constructions and methods described herein are particularly suited for making carpet tile.

Title
Carpet, carpet backings and methods
Application Number
10/838426
Publication Number
8283017 (B2)
Application Date
May 4, 2004
Publication Date
October 9, 2012
Inventor
Lichih R Peng
Fischer
IN, US
David C Kelley
Angleton
TX, US
John O Bieser
Houston
TX, US
Agent
Ballard Spahr
Assignee
Columbia Insurance Company
NE, US
IPC
D05C 17/02
B32B 5/18
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