2208534

Information

• Patent Grant
• 2208534

• References
• Source

• Patent Number

  2,208,534

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1940
  84 years ago

• CPC

  • C10G21/00 - Refining of hydrocarbon oils in the absence of hydrogen, by extraction with selective solvents
  • C10G21/20 - Nitrogen-containing compounds
  • C10G73/16 - Nitrogen-containing compounds

• US Classifications

  • 208 - Mineral oils: processes and products