3021682

Information

• Patent Grant
• 3021682

• References
• Source

• Patent Number

  3,021,682

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  62 years ago

• CPC

  • F25J3/029 - of helium
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0219 - Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
  • F25J3/0252 - separation of hydrogen
  • F25J3/028 - separation of noble gases
  • F25J3/08 - Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
  • F25J2205/50 - using absorption
  • F25J2210/12 - Refinery or petrochemical off-gas
  • F25J2215/10 - Hydrogen
  • F25J2215/32 - Neon
  • F25J2270/12 - External refrigeration with liquid vaporising loop
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • Y10S62/923 - Inert gas
  • Y10S62/927 - Natural gas from nitrogen

• US Classifications

  • 062 - Refrigeration
  • 095 - Gas separation: processes
  • 096 - Gas separation: apparatus