3728281

Information

• Patent Grant
• 3728281

• References
• Source

• Patent Number

  3,728,281

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • E01B27/18 - by introducing additional fresh material under the sleepers
  • C23F11/08 - in other liquids

• US Classifications

  • 252 - Compositions
  • 106 - Compositions: coating or plastic
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing