2752224

Information

• Patent Grant
• 2752224

• References
• Source

• Patent Number

  2,752,224

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1956
  68 years ago

• CPC

  • C01B21/1427 - by reduction of nitrogen oxides or nitrites with bisulfite or sulfur dioxide

• US Classifications

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