1490546

Information

• Patent Grant
• 1490546

• References
• Source

• Patent Number

  1,490,546

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1924
  101 years ago

• CPC

  • C01B21/0411 - Chemical processing only
  • C01B2210/0045 - Oxygen

• US Classifications

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