1934485

Information

• Patent Grant
• 1934485

• References
• Source

• Patent Number

  1,934,485

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1933
  91 years ago

• CPC

  • C01C3/0204 - from formamide or from ammonium formate
  • C01C1/24 - Sulfates of ammonium
  • Y10S203/11 - Batch distillation

• US Classifications

  • 432 - Heating
  • 203 - Distillation: processes, separatory
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing