1388868

Information

• Patent Grant
• 1388868

• References
• Source

• Patent Number

  1,388,868

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1921
  103 years ago

• CPC

  • B03D1/001 - Flotation agents

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 210 - Liquid purification or separation
  • 252 - Compositions
  • 516 - Colloid systems and wetting agents