3608721

Information

• Patent Grant
• 3608721

• References
• Source

• Patent Number

  3,608,721

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1971
  53 years ago

• CPC

  • B01D37/00 - Processes of filtration
  • B01D33/073 - arranged for inward flow filtration
  • B01D33/19 - the table surface being divided in successively tilted sectors or cells
  • B01D33/463 - nozzles
  • B01D33/466 - scrapers
  • C01B25/22 - Preparation by reacting phosphate-containing material with an acid

• US Classifications

  • 210 - Liquid purification or separation