3222878

Information

• Patent Grant
• 3222878

• References
• Source

• Patent Number

  3,222,878

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1965
  59 years ago

• CPC

  • F25J3/0409 - of oxygen
  • F25J3/04303 - Lachmann expansion
  • F25J3/04369 - of argon or argon enriched stream
  • F25J3/044 - using a single pressure main column system only
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/0466 - as a parallel working rectification column or auxiliary column system in a single pressure main column system
  • F25J3/04666 - as a parallel working rectification column of the low pressure column in a dual pressure main column system
  • F25J3/04721 - Producing pure argon
  • F25J2200/70 - Refluxing the column with a condensed part of the feed stream
  • F25J2200/90 - Details relating to column internals

• US Classifications

  • 062 - Refrigeration