3773892

Information

• Patent Grant
• 3773892

• References
• Source

• Patent Number

  3,773,892

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • C01F11/466 - Conversion of one form of calcium sulfate to another
  • C04B11/036 - for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 034 - Drying and gas or vapor contact with solids
  • 432 - Heating