×

Barrier layer for an article and method of making said barrier layer by expanding thermal plasma

  • US 20030219632A1
  • Filed: 05/23/2002
  • Published: 11/27/2003
  • Est. Priority Date: 05/23/2002
  • Status: Active Grant
First Claim
Patent Images

1. An article, said article comprising:

  • a)a substrate; and

    b)at least one barrier layer disposed on at least one surface of said substrate, wherein said barrier layer comprises an inorganic material, and wherein said barrier layer is resistant to transmission of moisture and oxygen therethrough and has a water vapor transmission rate (WVTR) at 25°

    C. and 100% relative humidity of less than about 2 g/m2-day and an oxygen transmission rate (OTR) at 25°

    C. and 100% oxygen concentration of less than about 2 cc/m2-day.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×