2287158

Information

• Patent Grant
• 2287158

• References
• Source

• Patent Number

  2,287,158

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1942
  82 years ago

• CPC

  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04242 - Cold end purification of the feed air
  • F25J3/04442 - in a double column flowsheet with a high pressure pre-rectifier
  • F25J2200/38 - using pre-separation or distributed distillation before a main column system
  • F25J2205/02 - using simple phase separation in a vessel or drum
  • F25J2205/30 - using a washing
  • F25J2220/40 - Separating high boiling, i.e. less volatile components from air
  • F25J2250/50 - One fluid being oxygen
  • F25J2250/52 - One fluid being oxygen enriched compared to air

• US Classifications

  • 062 - Refrigeration