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Oxygen enriching membrane

  • US 6,372,020 B2
  • Filed: 08/26/1999
  • Issued: 04/16/2002
  • Est. Priority Date: 08/26/1999
  • Status: Expired due to Fees
First Claim
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1. A method for providing an oxygen-enriched gas sample comprising:

  • providing an oxygen enriching membrane comprising siloxylated glass; and

    passing through the membrane a gas that contains oxygen;

    wherein the membrane which exhibits oxygen selectivity and permeability under a low pressure difference of 3 to 30 mm Hg.

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