3821021

Information

• Patent Grant
• 3821021

• References
• Source

• Patent Number

  3,821,021

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • D06M13/292 - Mono-, di- or triesters of phosphoric or phosphorous acids Salts thereof
  • D06M11/71 - Salts of phosphoric acids
  • Y10T428/31938 - Polymer of monoethylenically unsaturated hydrocarbon
  • Y10T442/2139 - Coating or impregnation specified as porous or permeable to a specific substance [e.g., water vapor, air, etc.]
  • Y10T442/2451 - Phosphorus containing
  • Y10T442/291 - Coated or impregnated polyolefin fiber fabric

• US Classifications

  • 442 - Fabric
  • 428 - Stock material or miscellaneous articles