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US 5,736,465 AGranted
Polyolefin fibers and their fabrics
AssigneeExxon Chemical Patents Inc.
InventorsGlenn Allan Stahl, James John McAlpin
Life of this patent
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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.
Claims9
A fabric comprising fiber, the fiber comprising isotactic polypropylene polymer produced by single-site catalysis wherein the fiber has a diameter of less than 50 .mu.m.
Dependencies are inferred from the claim text.