3749648

Information

• Patent Grant
• 3749648

• References
• Source

• Patent Number

  3,749,648

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • B01D11/0488 - Flow sheets
  • C01B17/94 - Recovery from nitration acids
  • C07C51/43 - by change of the physical state
  • C07C51/44 - by distillation
  • C07C51/47 - by solid-liquid treatment by chemisorption
  • C07C51/48 - by liquid-liquid treatment
  • C07C201/16 - Separation Purification Stabilisation Use of additives

• US Classifications

  • 203 - Distillation: processes, separatory
  • 423 - Chemistry of inorganic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds