2768880

Information

• Patent Grant
• 2768880

• References
• Source

• Patent Number

  2,768,880

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1956
  68 years ago

• CPC

  • C01B17/52 - by roasting sulfides

• US Classifications

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