2211805

Information

• Patent Grant
• 2211805

• References
• Source

• Patent Number

  2,211,805

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1940
  84 years ago

• CPC

  • C01F7/743 - Preparation from silicoaluminious materials
  • C01F7/746 - After-treatment

• US Classifications

  • 423 - Chemistry of inorganic compounds