2690417

Information

• Patent Grant
• 2690417

• References
• Source

• Patent Number

  2,690,417

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1954
  70 years ago

• CPC

  • C10G53/06 - including only extraction steps
  • C10G53/10 - including at least one acid-treatment step

• US Classifications

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