2348328

Information

• Patent Grant
• 2348328

• References
• Source

• Patent Number

  2,348,328

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1944
  80 years ago

• CPC

  • B01D1/22 - by bringing a thin layer of the liquid into contact with a heated surface
  • C01B17/94 - Recovery from nitration acids

• US Classifications

  • 023 - Chemistry: physical processes
  • 159 - Concentrating evaporators
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 423 - Chemistry of inorganic compounds