3685974

Information

• Patent Grant
• 3685974

• References
• Source

• Patent Number

  3,685,974

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • D21H5/0002 - Flame-resistant papers; (complex) compositions rendering paper fire-resistant
  • C01B21/082 - Compounds containing nitrogen and non-metals and optionally metals
  • C01B21/0923 - Metal imides or amides
  • D06M15/667 - containing phosphorus in the main chain
  • D21H17/54 - obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
  • D21H21/34 - Ignifugeants

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 106 - Compositions: coating or plastic