Process of making conjugate fibers

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United States of America Patent

PATENT NO 8377353
APP PUB NO 20100221471A1
SERIAL NO

12679373

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Abstract

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Conjugate fibers are prepared in which at least one segment is a mixture of a high-D PLA resin and a high-L PLA resin. These segments have crystallites having a crystalline melting temperature of at least 200° C. At least one other segment is a high-D PLA resin or a high-L PLA resin. The conjugate fibers may be, for example, bicomponent, multi-component, islands-in-the-sea or sheath-and-core types. Specialty fibers of various types can be made through further downstream processing of these conjugate fibers.

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Patent Owner(s)

  • NATUREWORKS LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Green, Robert A Cary, US 7 32
Kamann, Chad Henry Carver, US 4 10
Kolstad, Jeffrey John Wayzata, US 44 1340
Ryan, Christopher M Maple Grove, US 34 1941

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