1377493

Information

• Patent Grant
• 1377493

• References
• Source

• Patent Number

  1,377,493

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1921
  105 years ago

• CPC

  • C01C1/249 - Deacidifying or drying the crystals

• US Classifications

  • 423 - Chemistry of inorganic compounds