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Method of making a medical textile from polyhydroxyalkanoate fibers

  • US 9,333,066 B2
  • Filed: 05/13/2014
  • Issued: 05/10/2016
  • Est. Priority Date: 05/08/2003
  • Status: Active Grant
First Claim
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1. A method of making a medical textile from a fiber comprising poly-4-hydroxybutyrate polymer (P4HB), wherein the fiber has a tensile strength greater than 126 MPa, comprising melt extruding the P4HB polymer, allowing the extruded fiber time to crystallize and cool at or to a temperature that is greater than the glass transition temperature of the polymer, and stretching the fiber at a temperature above the polymer'"'"'s glass transition temperature.

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