3909247

Information

• Patent Grant
• 3909247

• References
• Source

• Patent Number

  3,909,247

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • C22B21/0053 - from other aluminium compounds
  • B22F9/22 - using gaseous reductors
  • C22B3/06 - in inorganic acid solutions
  • C22B3/46 - by substitution
  • C22B5/00 - General methods of reducing to metals
  • C22B21/02 - with reducing
  • C22C1/04 - by powder metallurgy
  • C22C1/0441 - Alloys based on intermetallic compounds of the type rare earth - Co, Ni
  • Y02P10/234 - by hydro metallurgy

• US Classifications

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