3846993

Information

• Patent Grant
• 3846993

• References
• Source

• Patent Number

  3,846,993

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • F25J3/0214 - Liquefied natural gas
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F25J3/0238 - separation of CnHm with 2 carbon atoms or more
  • F25J2200/02 - in a single pressure main column system
  • F25J2200/70 - Refluxing the column with a condensed part of the feed stream
  • F25J2205/04 - in the feed line
  • F25J2205/30 - using a washing
  • F25J2210/62 - Liquefied natural gas [LNG] Natural gas liquids [NGL] Liquefied petroleum gas [LPG]
  • F25J2260/10 - Integration in a gas transmission system at a pressure reduction
  • F25J2270/904 - by liquid or gaseous cryogen in an open loop

• US Classifications

  • 062 - Refrigeration