3868440

Information

• Patent Grant
• 3868440

• References
• Source

• Patent Number

  3,868,440

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  50 years ago

• CPC

  • C22B15/0082 - with water
  • C22B3/08 - Sulfuric acid, other sulfurated acids or salts thereof
  • C22B7/04 - Working-up slag
  • C22B15/0008 - by wet processes
  • C22B15/0071 - containing sulfur
  • Y02P10/214 - by pyro metallurgy
  • Y02P10/22 - of Cu
  • Y02P10/234 - by hydro metallurgy
  • Y02P10/236 - of Cu

• US Classifications

  • 423 - Chemistry of inorganic compounds