2497589

Information

• Patent Grant
• 2497589

• References
• Source

• Patent Number

  2,497,589

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1950
  75 years ago

• CPC

  • F25J3/04715 - The auxiliary column system simultaneously produces oxygen
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04624 - using integrated mass and heat exchange, so-called non-adiabatic rectification
  • F25J3/04642 - Recovering noble gases from air
  • F25J3/04745 - Krypton and/or Xenon
  • F25J2200/08 - in a triple pressure main column system
  • F25J2200/34 - using a side column fed by a stream from the low pressure column
  • F25J2200/50 - using multiple (re-)boiler-condensers at different heights of the column
  • F25J2215/30 - Helium
  • F25J2215/32 - Neon
  • F25J2215/52 - Oxygen production with multiple purity O2
  • Y10S62/923 - Inert gas
  • Y10S62/924 - Argon
  • Y10S62/925 - Xenon or krypton

• US Classifications

  • 062 - Refrigeration