3350844

Information

• Patent Grant
• 3350844

• References
• Source

• Patent Number

  3,350,844

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1967
  57 years ago

• CPC

  • C01B23/0047 - characterised by the membrane
  • B01D53/18 - Absorbing units Liquid distributors therefor
  • B01D53/228 - characterised by specific membranes
  • B01D71/52 - Polyethers
  • C01B3/503 - characterised by the membrane
  • C01B4/00 - Hydrogen isotopes Inorganic compounds thereof prepared by isotope exchange
  • C01B21/0444 - characterised by the membrane
  • B01D2311/25 - Recirculation, recycling
  • C01B2203/0405 - Purification by membrane separation
  • C01B2203/0475 - the impurety being carbon dioxide
  • C01B2210/0026 - Isotopes of the specific gas
  • C01B2210/0031 - Helium
  • C01B2210/0068 - Organic compounds

• US Classifications

  • 095 - Gas separation: processes