3573894

Information

• Patent Grant
• 3573894

• References
• Source

• Patent Number

  3,573,894

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1971
  53 years ago

• CPC

  • C21C1/00 - Refining of pig-iron Cast iron
  • C21B13/0026 - introduction of iron oxide in the flame of a burner or a hot gas stream
  • C21B13/085 - wherein iron or steel is obtained in a molten state
  • C22B5/00 - General methods of reducing to metals
  • Y02P10/136 - using hydrogen
  • Y02P10/143 - Methane [CH4]

• US Classifications

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