2989443

Information

• Patent Grant
• 2989443

• References
• Source

• Patent Number

  2,989,443

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  63 years ago

• CPC

  • B01D5/0003 - by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
  • B01D5/0033 - Other features
  • B32B17/06 - comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • Y10S62/906 - Packing

• US Classifications

  • 203 - Distillation: processes, separatory
  • 055 - Gas separation
  • 062 - Refrigeration
  • 208 - Mineral oils: processes and products