3656933

Information

• Patent Grant
• 3656933

• References
• Source

• Patent Number

  3,656,933

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • C22B1/10 - in fluidised form
  • C01B17/52 - by roasting sulfides

• US Classifications

  • 423 - Chemistry of inorganic compounds