2081541

Information

• Patent Grant
• 2081541

• References
• Source

• Patent Number

  2,081,541

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1937
  87 years ago

• CPC

  • E21D1/16 - by petrification
  • C09K17/12 - Water-soluble silicates

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 106 - Compositions: coating or plastic