3857902

Information

• Patent Grant
• 3857902

• References
• Source

• Patent Number

  3,857,902

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • C09F1/02 - Purification
  • C10G31/00 - Refining of hydrocarbon oils in the absence of hydrogen, by methods not otherwise provided for

• US Classifications

  • 585 - Chemistry of hydrocarbon compounds
  • 203 - Distillation: processes, separatory
  • 208 - Mineral oils: processes and products
  • 210 - Liquid purification or separation
  • 423 - Chemistry of inorganic compounds