2123650

Information

• Patent Grant
• 2123650

• References
• Source

• Patent Number

  2,123,650

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1938
  86 years ago

• CPC

  • C01F7/28 - with sulfurous acid

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 210 - Liquid purification or separation
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing