3894166

Information

• Patent Grant
• 3894166

• References
• Source

• Patent Number

  3,894,166

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • B01D69/10 - Supported membranes Membrane supports
  • B01D67/0013 - Casting processes
  • B01D67/003 - by selective elimination of components
  • B01D71/14 - Esters of organic acids
  • D06N3/02 - with cellulose derivatives
  • D06N3/045 - with polyolefin or polystyrene (co-)polymers
  • B01D61/025 - Reverse osmosis; Hyperfiltration
  • B01D2323/18 - Use of pore-control agents
  • D06N2209/126 - Permeability to liquids, absorption

• US Classifications

  • 427 - Coating processes
  • 210 - Liquid purification or separation