3907681

Information

• Patent Grant
• 3907681

• References
• Source

• Patent Number

  3,907,681

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • D06B9/06 - with recovery of the solvent
  • B01D29/41 - mounted transversely on the tube
  • B01D29/52 - in parallel connexion
  • B01D29/6415 - with a rotary movement with respect to the filtering element
  • B01D35/12 - Devices for taking out of action one or more units of multi- unit filters
  • B01D37/00 - Processes of filtration
  • B01D37/02 - Precoating the filter medium Addition of filter aids to the liquid being filtered
  • Y02P70/641 - Recovery of solvents

• US Classifications

  • 210 - Liquid purification or separation