1816842

Information

• Patent Grant
• 1816842

• References
• Source

• Patent Number

  1,816,842

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1931
  93 years ago

• CPC

  • C01F7/40 - in the presence of aluminium sulfide

• US Classifications

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