3515509

Information

• Patent Grant
• 3515509

• References
• Source

• Patent Number

  3,515,509

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • C22B59/00 - Obtaining rare earth metals
  • C01F17/0043 - Oxides or hydroxides
  • C01F17/0081 - Sulfates

• US Classifications

  • 423 - Chemistry of inorganic compounds