998665

Information

• Patent Grant
• 998665

• References
• Source

• Patent Number

  998,665

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1911
  113 years ago

• CPC

  • C22B11/023 - from pyrometallurgical residues

• US Classifications

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