3751880

Information

• Patent Grant
• 3751880

• References
• Source

• Patent Number

  3,751,880

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

  • G01N30/722 - through a gas permeable barrier (membranes, porous layers)
  • B01D53/22 - by diffusion
  • H01J49/0427 - using a membrane permeable to gases

• US Classifications

  • 096 - Gas separation: apparatus
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing