2021546

Information

• Patent Grant
• 2021546

• References
• Source

• Patent Number

  2,021,546

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1935
  89 years ago

• CPC

  • C01F7/02 - Aluminium oxide Aluminium hydroxide Aluminates
  • C01F7/28 - with sulfurous acid
  • C01P2006/80 - Compositional purity

• US Classifications

  • 423 - Chemistry of inorganic compounds