3440164

Information

• Patent Grant
• 3440164

• References
• Source

• Patent Number

  3,440,164

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • C10G67/16 - plural parallel stages only
  • C10G19/067 - with molten alkaline material
  • C10G67/10 - including alkaline treatment as the refining step in the absence of hydrogen

• US Classifications

  • 208 - Mineral oils: processes and products