1337542

Information

• Patent Grant
• 1337542

• References
• Source

• Patent Number

  1,337,542

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1920
  104 years ago

• CPC

  • B03D1/001 - Flotation agents
  • B03D2201/04 - Frothers
  • Y10S516/01 - Wetting, emulsifying, dispersing, or stabilizing agents

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 252 - Compositions
  • 516 - Colloid systems and wetting agents