3663720

Information

• Patent Grant
• 3663720

• References
• Source

• Patent Number

  3,663,720

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • C08J5/043 - with glass fibres
  • B32B27/12 - next to a fibrous or filamentary layer
  • C03C25/1005 - with materials of composite character
  • C03C25/101 - containing particles, fibres or flakes
  • C04B22/006 - released by a chemical reaction
  • C04B26/122 - Phenol-formaldehyde condensation polymers
  • C04B30/02 - containing fibrous materials
  • C04B41/009 - characterised by the material treated
  • C04B41/4823 - Phenol-formaldehyde condensation products
  • C04B41/52 - Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
  • C09D161/12 - with polyhydric phenols
  • C04B2111/00482 - Coating or impregnation materials
  • C04B2111/28 - Fire resistance
  • C08J2361/12 - with polyhydric phenols
  • Y10S428/921 - Fire or flameproofing
  • Y10T428/31627 - Next to aldehyde or ketone condensation product
  • Y10T428/31786 - Of polyester [e.g., alkyd, etc.]
  • Y10T442/2631 - Coating or impregnation provides heat or fire protection
  • Y10T442/2992 - Coated or impregnated glass fiber fabric

• US Classifications

  • 442 - Fabric
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles
  • 524 - Synthetic resins or natural rubbers