2239371

Information

• Patent Grant
• 2239371

• References
• Source

• Patent Number

  2,239,371

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1941
  83 years ago

• CPC

  • C22B5/16 - with volatilisation or condensation of the metal being produced
  • B01D3/10 - Vacuum distillation
  • B01D3/20 - Bubble caps Risers for vapour Discharge pipes for liquid
  • B01D5/0003 - by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
  • B01D5/0036 - Multiple-effect condensation; Fractional condensation
  • B01D5/0048 - Barometric condensation

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 266 - Metallurgical apparatus