2812245

Information

• Patent Grant
• 2812245

• References
• Source

• Patent Number

  2,812,245

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1957
  67 years ago

• CPC

  • C01B17/36 - Purification
  • C01P2006/80 - Compositional purity

• US Classifications

  • 023 - Chemistry: physical processes
  • 159 - Concentrating evaporators