2758020

Information

• Patent Grant
• 2758020

• References
• Source

• Patent Number

  2,758,020

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1956
  68 years ago

• CPC

  • C22B23/025 - with formation of a matte or by matte refining or converting into nickel or cobalt
  • C22B15/0006 - by dry processes
  • C22B15/0015 - Oxidizing roasting
  • C22B15/0021 - by reducing in gaseous or solid state
  • C22B23/023 - with formation of ferro-nickel or ferro-cobalt
  • Y02P10/212 - Recovering metals from waste

• US Classifications

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