2921678

Information

• Patent Grant
• 2921678

• References
• Source

• Patent Number

  2,921,678

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1960
  65 years ago

• CPC

  • C01D3/08 - Preparation by working up natural or industrial salt mixtures or siliceous minerals
  • B03D1/01 - containing nitrogen
  • C11D13/04 - Continuous methods therefor
  • B03D1/011 - Quaternary ammonium compounds
  • B03D2201/02 - Collectors
  • B03D2203/10 - Potassium ores

• US Classifications

  • 209 - Classifying, separating, and assorting solids