US Patent 6878650 Fine denier multicomponent fibers
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Patent abstract
A method is provided for producing fine denier multicomponent thermoplastic polymer filaments incorporating high melt-flow rate polymers. Multicomponent filaments are extruded such that the high melt-flow rate polymer component is substantially surrounded by one or more low melt-flow rate polymer components. The extruded multicomponent filament is then melt-attenuated with a significant drawing force to reduce the filament diameter and form continuous, fine denier filaments.
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Patent Inventor Names
Bryan David Haynes0
Darryl Franklin Clark0
Jeffrey Lawrence McManus0
Justin Max Duellman0
Kevin Edward Smith0
Date of Patent
April 12, 2005
0Patent Application Number
097428300
Date Filed
December 20, 2000
0Patent Primary Examiner
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US Patent 6878650 Fine denier multicomponent fibers
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