1456874

Information

• Patent Grant
• 1456874

• References
• Source

• Patent Number

  1,456,874

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1923
  101 years ago

• CPC

  • C01B17/84 - Chamber process
  • Y10S159/19 - Acid

• US Classifications

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