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US 5,723,217 AGranted
Polyolefin fibers and their fabrics
AssigneeExxon Chemical Patents Inc.
InventorsGlenn Allan Stahl, James John McAlpin
Life of this patent
Estimating the term…
Abstract
Novel fibers have been made from reactor grade isotactic poly-alpha-olefin wherein polypropylene is produced by single-site catalysis and has a melt flow rate of greater than zero to about 5,000, MWD in the range of about 1.0 to about 3.5.
Claims16
A fiber comprising reactor-grade poly-alpha-olefin polymer wherein the poly-alpha-olefin polymer has a melt flow rate in the range of from greater than zero to 5,000 dg/min, a MWD in the range of from 1 to 3 and wherein the fiber has a diameter that is less than 50 .mu.m.
Dependencies are inferred from the claim text.