2777800

Information

• Patent Grant
• 2777800

• References
• Source

• Patent Number

  2,777,800

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1957
  68 years ago

• CPC

  • C10G21/00 - Refining of hydrocarbon oils in the absence of hydrogen, by extraction with selective solvents
  • C10G21/10 - Sulfur dioxide
  • C10G73/06 - with the use of solvents

• US Classifications

  • 208 - Mineral oils: processes and products