1431161

Information

• Patent Grant
• 1431161

• References
• Source

• Patent Number

  1,431,161

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1922
  102 years ago

• CPC

  • C08B17/04 - for making cellulose nitrate

• US Classifications

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