Face-up coating of carpet backs with polyurethane
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 11, 2001
Issued Date -
N/A
app pub date -
Feb 6, 2001
filing date -
Dec 22, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Tufted carpeting can be manufactured employing polyurethane adhesives and cured face up without dripping, when one or more drip-reducing process steps of adding a non-Newtonian thickener to the adhesive or forming a viscosified or cured film on the outer surface of the adhesive are practiced prior to entry of the greige good into the curing oven.
First Claim
Family
International Classification(s)
Cited Art Landscape
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