3909407

Information

• Patent Grant
• 3909407

• References
• Source

• Patent Number

  3,909,407

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • C02F9/00 - Multistage treatment of water, waste water, or sewage
  • C02F1/5236 - using inorganic agents
  • C11B11/005 - Lanolin; Woolfat

• US Classifications

  • 210 - Liquid purification or separation
  • 008 - Bleaching and dyeing