3840653

Information

• Patent Grant
• 3840653

• References
• Source

• Patent Number

  3,840,653

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • C10K1/121 - containing NH3 only (possibly in combination with NH4 salts)
  • C01B17/05 - by wet processes

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 095 - Gas separation: processes
  • 201 - Distillation: processes, thermolytic