2993778

Information

• Patent Grant
• 2993778

• References
• Source

• Patent Number

  2,993,778

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1961
  63 years ago

• CPC

  • C22B1/02 - Roasting processes
  • C01B17/52 - by roasting sulfides
  • C22B1/14 - Agglomerating Briquetting Binding Granulating

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 266 - Metallurgical apparatus
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing