3647595

Information

• Patent Grant
• 3647595

• References
• Source

• Patent Number

  3,647,595

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • D21H21/34 - Ignifugeants
  • B44C5/0469 - comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
  • D21H5/0002 - Flame-resistant papers; (complex) compositions rendering paper fire-resistant
  • D21H27/24 - characterised by the surface to be covered being phenolic-resin paper laminates, vulcan fibre or similar cellulosic fibreboards
  • D21H27/26 - characterised by the overlay sheet or the top layers of the structures
  • Y10S428/921 - Fire or flameproofing
  • Y10T428/24851 - Intermediate layer is discontinuous or differential
  • Y10T428/24934 - including paper layer
  • Y10T428/31967 - Phenoplast

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 428 - Stock material or miscellaneous articles