3574537

Information

• Patent Grant
• 3574537

• References
• Source

• Patent Number

  3,574,537

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1971
  53 years ago

• CPC

  • C01F7/762 - Ammonium or alkali metal aluminium sulfates
  • C01B33/14 - Colloidal silica
  • C01B33/32 - Alkali metal silicates
  • C01D5/14 - Preparation of sulfites
  • C01G49/06 - Ferric oxide (Fe2O3)

• US Classifications

  • 423 - Chemistry of inorganic compounds