1837543

Information

• Patent Grant
• 1837543

• References
• Source

• Patent Number

  1,837,543

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1931
  93 years ago

• CPC

  • C01F7/40 - in the presence of aluminium sulfide
  • C22B4/00 - Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys

• US Classifications

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