2840620

Information

• Patent Grant
• 2840620

• References
• Source

• Patent Number

  2,840,620

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1958
  66 years ago

• CPC

  • C10G61/06 - the refining step being a sorption process
  • C07C7/10 - by extraction
  • C07C13/02 - Monocyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
  • C10G21/00 - Refining of hydrocarbon oils in the absence of hydrogen, by extraction with selective solvents

• US Classifications

  • 585 - Chemistry of hydrocarbon compounds
  • 208 - Mineral oils: processes and products