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COATING STACK COMPRISING A LAYER OF BARRIER COATING

  • US 20070224357A1
  • Filed: 05/23/2007
  • Published: 09/27/2007
  • Est. Priority Date: 10/22/2001
  • Status: Active Grant
First Claim
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1. A method of forming a multilayered coated substrate, comprising:

  • providing a coating comprising at least one degradable layer on a substrate; and

    providing at least one barrier layer over the degradable layer, wherein the barrier layer has a permeability to oxygen of no greater than 10 grams per m2 per day at a temperature of 900°

    F.

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