3479136

Information

• Patent Grant
• 3479136

• References
• Source

• Patent Number

  3,479,136

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • C01F7/748 - Purification
  • C22B3/001 - using amines
  • C22B21/0015 - by wet processes
  • Y02P10/234 - by hydro metallurgy

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 210 - Liquid purification or separation