3778439

Information

• Patent Grant
• 3778439

• References
• Source

• Patent Number

  3,778,439

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • C07C243/00 - Compounds containing chains of nitrogen atoms singly-bound to each other
  • C07D249/00 - Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
  • C07D249/06 - with aryl radicals directly attached to ring atoms
  • C08G59/26 - heterocyclic
  • C09K3/00 - Materials not provided for elsewhere
  • D06L3/12 - Optical bleaching brightening
  • Y10S525/908 - Polymer containing a hydantoin group

• US Classifications

  • 544 - Organic compounds
  • 523 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers
  • 548 - Organic compounds