2819948

Information

• Patent Grant
• 2819948

• References
• Source

• Patent Number

  2,819,948

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1958
  67 years ago

• CPC

  • C01B17/925 - by processes involving a liquid-liquid extraction

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 023 - Chemistry: physical processes
  • 208 - Mineral oils: processes and products