2248131

Information

• Patent Grant
• 2248131

• References
• Source

• Patent Number

  2,248,131

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1941
  83 years ago

• CPC

  • B01D39/083 - of organic material
  • C10M175/0058 - by filtration and centrifugation processes; apparatus therefor
  • B01D2239/0283 - comprising filter materials made from waste or recycled materials
  • B01D2239/0464 - Impregnants
  • B01D2239/065 - More than one layer present in the filtering material
  • B01D2239/0672 - The layers being joined by welding
  • B01D2239/086 - Binders between particles or fibres
  • Y10S55/05 - Methods of making filter

• US Classifications

  • 210 - Liquid purification or separation
  • 008 - Bleaching and dyeing
  • 055 - Gas separation
  • 252 - Compositions