3449220

Information

• Patent Grant
• 3449220

• References
• Source

• Patent Number

  3,449,220

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  55 years ago

• CPC

  • B01D3/105 - with the use of an ejector for creating the vacuum, the ejector being placed between evaporator or distillation devices
  • B01D3/10 - Vacuum distillation
  • C08G63/785 - characterised by the apparatus used
  • C08G69/46 - Post-polymerisation treatment
  • Y10S159/16 - Vacuum
  • Y10S203/16 - Combination

• US Classifications

  • 203 - Distillation: processes, separatory
  • 159 - Concentrating evaporators
  • 202 - Distillation: apparatus
  • 540 - Organic compounds