2643937

Information

• Patent Grant
• 2643937

• References
• Source

• Patent Number

  2,643,937

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1953
  71 years ago

• CPC

  • C01B21/30 - Preparation by oxidation of nitrogen

• US Classifications

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