1212702

Information

• Patent Grant
• 1212702

• References
• Source

• Patent Number

  1,212,702

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1917
  108 years ago

• CPC

  • C01B17/28 - with reducing gases

• US Classifications

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