1680019

Information

• Patent Grant
• 1680019

• References
• Source

• Patent Number

  1,680,019

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1928
  96 years ago

• CPC

  • C01B21/42 - Preparation from nitrates

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 266 - Metallurgical apparatus