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Biodegradable sheet

  • US 10,239,292 B2
  • Filed: 10/27/2014
  • Issued: 03/26/2019
  • Est. Priority Date: 10/27/2013
  • Status: Active Grant
First Claim
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1. A multi-layered biodegradable sheet, wherein at least one layer of the multi-layered biodegradable sheet comprises a first hydrophobic polymer selected from the group consisting of poly(epsilon-caprolactone) (PCL), a polyhydroxyalkanoate (PHA) and a mixture thereof, and a second hydrophobic polymer selected from the group consisting of polybutylene succinate (PBS), polybutylene succinate adipate (PBSA), poly lactic acid (PLA), polybutylene adipate terephthalate (PBAT), polydioxanone (PDO), polyglycolic acid (PGA) and any mixture thereof, and wherein the multi-layered biodegradable sheet comprises at least one additional layer comprising a polymer selected from the group consisting of PBS, PBSA, and any mixture thereof,wherein the first hydrophobic polymer is present in said at least one layer in an amount of about 5% w/w to about 45% w/w.

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