3687840

Information

• Patent Grant
• 3687840

• References
• Source

• Patent Number

  3,687,840

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • C10G17/095 - with "solid acids"
  • C10B55/00 - Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material
  • C10G29/00 - Refining of hydrocarbon oils in the absence of hydrogen, with other chemicals
  • C10G29/28 - containing sulfur as the only hetero atom
  • C10G31/06 - by heating, cooling, or pressure treatment

• US Classifications

  • 208 - Mineral oils: processes and products