3694167

Information

• Patent Grant
• 3694167

• References
• Source

• Patent Number

  3,694,167

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • C05B11/06 - using nitric acid (nitrophosphates)
  • B01D9/0009 - by direct heat exchange with added cooling fluid
  • C01F11/44 - Concentrating Crystallisating Dehydrating Preventing the absorption of moisture or caking

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 023 - Chemistry: physical processes
  • 062 - Refrigeration
  • 261 - Gas and liquid contact apparatus