3869351

Information

• Patent Grant
• 3869351

• References
• Source

• Patent Number

  3,869,351

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  50 years ago

• CPC

  • B01D3/101 - Recirculation of the fluid used as fluid working medium in a vacuum creating device
  • B01D1/00 - Evaporating
  • B01D3/007 - Energy recuperation; Heat pumps
  • B01D3/10 - Vacuum distillation
  • C02F1/04 - by distillation or evaporation
  • F04D25/00 - Pumping installations or systems
  • F25B1/06 - with compressor of jet type
  • Y10S203/21 - Acrylic acid or ester

• US Classifications

  • 202 - Distillation: apparatus
  • 203 - Distillation: processes, separatory