1841207

Information

• Patent Grant
• 1841207

• References
• Source

• Patent Number

  1,841,207

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1932
  93 years ago

• CPC

  • C22B11/021 - Recovery of noble metals from waste materials
  • C22B5/02 - Dry methods smelting of sulfides or formation of mattes
  • C22B11/023 - from pyrometallurgical residues
  • Y02P10/214 - by pyro metallurgy

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures