3666446

Information

• Patent Grant
• 3666446

• References
• Source

• Patent Number

  3,666,446

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • C22B3/0032 - using mixtures of acyclic or carbocyclic compounds of different types
  • C22B3/001 - using amines
  • C22B3/0017 - using oximes
  • C22B3/0024 - using acids of the carboxylic type or derivatives thereof
  • C22B3/0033 - using organic acids added to oximes
  • C22B3/0039 - using a mixture of organic agents wherein one agent at least is a heterocyclic compound
  • C22B3/0068 - Phosphoric ((O)P(OH)3) type
  • C22B3/0097 - using a solution of normally solid organic compounds
  • C22B3/42 - by ion-exchange extraction
  • Y02P10/234 - by hydro metallurgy
  • Y10S423/14 - Ion exchange chelation or liquid/liquid ion extraction

• US Classifications

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