2770663

Information

• Patent Grant
• 2770663

• References
• Source

• Patent Number

  2,770,663

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1956
  68 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
  • 585 - Chemistry of hydrocarbon compounds