2209481

Information

• Patent Grant
• 2209481

• References
• Source

• Patent Number

  2,209,481

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1940
  84 years ago

• CPC

  • C22B15/006 - working up of molten copper
  • C22B7/003 - only remelting
  • C22B15/0032 - in shaft furnaces
  • C22B19/30 - from metallic residues or scraps
  • 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
  • 266 - Metallurgical apparatus