2140883

Information

• Patent Grant
• 2140883

• References
• Source

• Patent Number

  2,140,883

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1938
  86 years ago

• CPC

  • C01F7/18 - Aluminium oxide or hydroxide from alkaline-earth metal aluminates

• US Classifications

  • 423 - Chemistry of inorganic compounds