1772347

Information

• Patent Grant
• 1772347

• References
• Source

• Patent Number

  1,772,347

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1930
  94 years ago

• CPC

  • C02F3/12 - Activated sludge processes
  • C02F3/20 - using diffusers
  • C10K1/125 - containing Fe compounds
  • C02F2103/18 - from the purification of gaseous effluents
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 261 - Gas and liquid contact apparatus