2983623

Information

• Patent Grant
• 2983623

• References
• Source

• Patent Number

  2,983,623

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1961
  63 years ago

• CPC

  • D21H21/34 - Ignifugeants
  • C08G79/02 - a linkage containing phosphorus
  • C08G79/06 - Phosphorus linked to carbon only
  • D06M15/415 - modified by compounds containing phosphorus
  • D06M15/431 - by phosphines or phosphine oxides by oxides or salts of the phosphonium radical
  • D06M15/667 - containing phosphorus in the main chain
  • D06M15/673 - containing phosphorus and nitrogen in the main chain
  • D21H5/0002 - Flame-resistant papers; (complex) compositions rendering paper fire-resistant
  • D21H25/02 - Chemical or biochemical treatment
  • B27K3/15 - Impregnating involving polymerisation including use of polymer-containing impregnating agents
  • B27K3/20 - Compounds of alkali metals or ammonium
  • B27K5/04 - Combined bleaching or impregnating and drying of wood
  • B27K2200/10 - Articles made of particles or fibres consisting of wood or other lignocellulosic material
  • Y10S428/921 - Fire or flameproofing
  • Y10T442/268 - Phosphorus and nitrogen containing compound

• US Classifications

  • 427 - Coating processes
  • 008 - Bleaching and dyeing
  • 162 - Paper making and fiber liberation
  • 528 - Synthetic resins or natural rubbers