3719053

Information

• Patent Grant
• 3719053

• References
• Source

• Patent Number

  3,719,053

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1973
  51 years ago

• CPC

  • F25J3/0257 - separation of nitrogen
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F25J3/029 - of helium
  • F25J3/08 - Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
  • F25J2205/40 - using hybrid system
  • F25J2205/60 - using adsorption on solid adsorbents
  • F25J2210/02 - Multiple feed streams
  • F25J2210/42 - Nitrogen
  • F25J2215/30 - Helium
  • F25J2215/42 - Nitrogen or special cases
  • F25J2260/44 - using nitrogen for cooling purposes
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • F25J2270/904 - by liquid or gaseous cryogen in an open loop

• US Classifications

  • 062 - Refrigeration