2307843

Information

• Patent Grant
• 2307843

• References
• Source

• Patent Number

  2,307,843

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1943
  82 years ago

• CPC

  • C08G12/12 - Ureas Thioureas
  • C09K3/12 - Materials for stopping leaks
  • C09K8/5086 - obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • E21D9/002 - Injection methods characterised by the chemical composition used
  • F16B13/142 - characterised by the composition of the setting material or mixture

• US Classifications

  • 166 - Wells
  • 528 - Synthetic resins or natural rubbers