2988421

Information

• Patent Grant
• 2988421

• References
• Source

• Patent Number

  2,988,421

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • C01F15/00 - Compounds of thorium
  • C01F17/00 - Compounds of the rare earth metals
  • C01F17/0081 - Sulfates
  • C22B59/00 - Obtaining rare earth metals
  • C22B60/0291 - obtaining thorium

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 252 - Compositions