2184838

Information

• Patent Grant
• 2184838

• References
• Source

• Patent Number

  2,184,838

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1939
  85 years ago

• CPC

  • C10G21/04 - by introducing simultaneously at least two immiscible solvents counter-current to each other

• US Classifications

  • 208 - Mineral oils: processes and products