623893

Information

• Patent Grant
• 623893

• References
• Source

• Patent Number

  623,893

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1899
  125 years ago

• CPC

  • C01D9/12 - with nitrates or magnesium, calcium, strontium, or barium

• US Classifications

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