3859411

Information

• Patent Grant
• 3859411

• References
• Source

• Patent Number

  3,859,411

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • C22B3/04 - by leaching
  • C22B1/06 - Sulfating roasting
  • C22B15/0013 - by roasting
  • C22B15/0067 - with acids or salts thereof
  • C22B15/0082 - with water
  • Y02P10/234 - by hydro metallurgy
  • Y02P10/236 - of Cu

• US Classifications

  • 423 - Chemistry of inorganic compounds