2202525

Information

• Patent Grant
• 2202525

• References
• Source

• Patent Number

  2,202,525

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1940
  84 years ago

• CPC

  • C01G39/003 - Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
  • C22B3/0008 - using acyclic or carbocyclic compounds of a single type
  • C22B3/0009 - using alcohols or phenols
  • C22B3/0018 - using ethers or epoxides
  • C22B3/0021 - using ketones or aldehydes
  • C22B3/0024 - using acids of the carboxylic type or derivatives thereof
  • C22B3/0029 - using cyanic acids or derivatives thereof
  • C22B7/007 - by acid leaching
  • Y02P10/234 - by hydro metallurgy

• US Classifications

  • 423 - Chemistry of inorganic compounds