1801539

Information

• Patent Grant
• 1801539

• References
• Source

• Patent Number

  1,801,539

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1931
  93 years ago

• CPC

  • B01D29/84 - by gases or by heating
  • B01D29/117 - arranged for outward flow filtration
  • B01D37/02 - Precoating the filter medium Addition of filter aids to the liquid being filtered

• US Classifications

  • 210 - Liquid purification or separation