3725257

Information

• Patent Grant
• 3725257

• References
• Source

• Patent Number

  3,725,257

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  51 years ago

• CPC

  • C10G21/00 - Refining of hydrocarbon oils in the absence of hydrogen, by extraction with selective solvents
  • B01D11/0488 - Flow sheets
  • C07C7/10 - by extraction
  • Y10S585/932 - Carboxyl-containing

• US Classifications

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