2997854

Information

• Patent Grant
• 2997854

• References
• Source

• Patent Number

  2,997,854

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1961
  63 years ago

• CPC

  • F25J3/04896 - Details of columns
  • F25J3/04242 - Cold end purification of the feed air
  • F25J3/04296 - Claude expansion
  • F25J3/04412 - in a classical double column flowsheet
  • F25J2205/04 - in the feed line
  • F25J2205/24 - using regenerators, cold accumulators or reversible heat exchangers
  • F25J2205/30 - using a washing
  • F25J2205/60 - using adsorption on solid adsorbents
  • F25J2220/40 - Separating high boiling, i.e. less volatile components from air
  • F25J2240/60 - Expansion by ejector or injector
  • Y10S62/902 - Apparatus
  • Y10S62/939 - Partial feed stream expansion, air

• US Classifications

  • 062 - Refrigeration