3890224

Information

• Patent Grant
• 3890224

• References
• Source

• Patent Number

  3,890,224

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • C02F1/681 - by addition of solid materials for removing an oily layer on water
  • B01D11/0492 - Applications, solvents used
  • B01D17/0202 - by ab- or adsorption
  • B01D35/06 - Filters making use of electricity or magnetism
  • B01D37/02 - Precoating the filter medium Addition of filter aids to the liquid being filtered
  • B01J20/00 - Solid sorbent compositions or filter aid compositions Sorbents for chromatography Processes for preparing, regenerating or reactivating thereof
  • B01J47/06 - during which the ion-exchange material is subjected to a physical treatment
  • B01J49/006 - of amphoteric ion-exchangers ("Sirotherm process")
  • B03B1/04 - by additives
  • B03C1/01 - by addition of magnetic adjuvants
  • C22B3/24 - by adsorption on solid substances
  • Y02P10/234 - by hydro metallurgy

• US Classifications

  • 210 - Liquid purification or separation