3840365

Information

• Patent Grant
• 3840365

• References
• Source

• Patent Number

  3,840,365

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • C22B15/0078 - with ammoniacal solutions
  • C22B3/04 - by leaching
  • C22B15/0065 - Leaching or slurrying
  • C22B15/0069 - containing halogen
  • C22B15/0071 - containing sulfur
  • C22B15/0073 - containing nitrogen
  • C22B15/008 - with non-acid solutions containing salts of alkali or alkaline earth metals
  • C22B15/0091 - by cementation
  • Y02P10/234 - by hydro metallurgy
  • Y02P10/236 - of Cu

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 204 - Chemistry: electrical and wave energy
  • 423 - Chemistry of inorganic compounds