3666442

Information

• Patent Grant
• 3666442

• References
• Source

• Patent Number

  3,666,442

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • C22B21/0069 - from scrap, skimmings or any secondary source aluminium
  • C22B7/001 - Dry processes
  • C22B35/00 - Obtaining beryllium
  • Y02P10/214 - by pyro metallurgy

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 209 - Classifying, separating, and assorting solids
  • 241 - Solid material comminution or disintegration