Generation of anaerobic or microaerophilic atmosphere

  • US 4,976,931 A
  • Filed: 12/12/1985
  • Issued: 12/11/1990
  • Est. Priority Date: 02/27/1984
  • Status: Expired due to Term
First Claim
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1. A package for removing oxygen from a gaseous mixture comprising:

  • (a) a sealed envelope;

    (b) a first compartment within said envelope containing material for generating hydrogen;

    (c) a second liquid receiving compartment within said envelope in fluid and gas communication with said first compartment by means of a channel connecting said first and second compartments;

    (d) a catalyst unit affixed to the exterior of said envelope, said unit comprising a flame arrestor, a catalyst positioned on the surface of said flame arrestor and a backing material positioned over said catalyst and sealably engaged with said flame arrestor; and

    (e) adhering means between said unit and the exterior of said envelope.

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