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US 4,920,000 AGranted
Blend of cotton, nylon and heat-resistant fibers
AssigneeE. I. Du Pont de Nemours and Company
InventorJames R. Green
Life of this patent
Estimating the term…
Abstract
Heat resistant, durable woven fabrics are prepared with warp yarns comprising certain blends of cotton, nylon and heat resistant fibers.
Claims9
An intimate blend of staple fiber comprising 5-20% nylon staple fibers, 15-50% of heat resistant fibers which have a Heat Resistance Time of at least 0.018 sec/g/m.sup.2 and a Limiting Oxygen Index of at least 25 and at least 30% of cotton fibers.
Dependencies are inferred from the claim text.