3729943

Information

• Patent Grant
• 3729943

• References
• Source

• Patent Number

  3,729,943

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • B01D3/143 - by two or more of a fractionation, separation or rectification step
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04678 - cooled by oxygen enriched liquid from high pressure column bottoms
  • F25J3/04684 - and a bottom re-boiler
  • Y10S62/924 - Argon

• US Classifications

  • 062 - Refrigeration