3207692

Information

• Patent Grant
• 3207692

• References
• Source

• Patent Number

  3,207,692

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1965
  59 years ago

• CPC

  • B01D3/14 - Fractional distillation or use of a fractionation or rectification column
  • B01D3/40 - Extractive distillation
  • B01D3/4238 - Head-, side- and bottom stream
  • B01D11/0488 - Flow sheets
  • C10G21/00 - Refining of hydrocarbon oils in the absence of hydrogen, by extraction with selective solvents
  • C10G21/28 - Recovery of used solvent

• US Classifications

  • 208 - Mineral oils: processes and products
  • 196 - Mineral oils: apparatus
  • 202 - Distillation: apparatus