2820694

Information

• Patent Grant
• 2820694

• References
• Source

• Patent Number

  2,820,694

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • C01F7/428 - by oxidation in an aqueous solution
  • B01J13/0004 - Preparation of sols
  • B01J13/0047 - containing a metal oxide
  • B01J21/04 - Alumina

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 516 - Colloid systems and wetting agents