1512268

Information

• Patent Grant
• 1512268

• References
• Source

• Patent Number

  1,512,268

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1924
  100 years ago

• CPC

  • F25J3/04642 - Recovering noble gases from air
  • F25J3/0466 - as a parallel working rectification column or auxiliary column system in a single pressure main column system
  • F25J3/04721 - Producing pure argon
  • F25J3/04751 - Producing pure krypton and/or xenon recovered from a crude krypton/xenon mixture
  • F25J2200/50 - using multiple (re-)boiler-condensers at different heights of the column
  • F25J2200/70 - Refluxing the column with a condensed part of the feed stream
  • F25J2200/94 - Details relating to the withdrawal point
  • F25J2215/10 - Hydrogen
  • F25J2215/30 - Helium
  • F25J2215/32 - Neon
  • Y10S62/924 - Argon

• US Classifications

  • 062 - Refrigeration
  • 423 - Chemistry of inorganic compounds