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Fibers made from soluble polymers

  • US 10,640,891 B2
  • Filed: 07/26/2016
  • Issued: 05/05/2020
  • Est. Priority Date: 09/21/2011
  • Status: Active Grant
First Claim
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1. A fiber comprising a nonreactive polymer and a self-crosslinked resinous aldehyde composition within the fiber wherein the resinous aldehyde composition is present in an amount of greater than 20 parts by weight per 100 parts by weight of the polymer and no greater than 80 parts by weight per 100 parts by weight of the polymer, and wherein the fiber has an average fiber diameter of no greater than 100 microns.

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