1718616

Information

• Patent Grant
• 1718616

• References
• Source

• Patent Number

  1,718,616

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1929
  95 years ago

• CPC

  • C01G25/003 - Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
  • C01G27/003 - Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
  • C22B3/0025 - using oxalic acids
  • Y02P10/234 - by hydro metallurgy

• US Classifications

  • 423 - Chemistry of inorganic compounds