3878686

Information

• Patent Grant
• 3878686

• References
• Source

• Patent Number

  3,878,686

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • E21B33/138 - Plastering the borehole wall Injecting into the formations
  • C09K8/518 - Foams
  • C09K17/30 - Polyisocyanates Polyurethanes
  • E02D3/12 - Consolidating by placing solidifying or pore-filling substances in the soil
  • E02D27/48 - Foundations inserted underneath existing buildings or constructions

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 138 - Pipes and tubular conduits
  • 166 - Wells
  • 264 - Plastic and nonmetallic article shaping or treating: processes