2989289

Information

• Patent Grant
• 2989289

• References
• Source

• Patent Number

  2,989,289

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  63 years ago

• CPC

  • C04B11/028 - Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
  • Y10S165/148 - Auger

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids