3469271

Information

• Patent Grant
• 3469271

• References
• Source

• Patent Number

  3,469,271

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • F25J3/04818 - Start-up of the process
  • F25J3/04303 - Lachmann expansion
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04854 - Safety aspects of operation
  • F25J2205/24 - using regenerators, cold accumulators or reversible heat exchangers
  • F25J2245/40 - the recycled stream being air
  • Y10S62/903 - Heat exchange structure

• US Classifications

  • 062 - Refrigeration