3509143

Information

• Patent Grant
• 3509143

• References
• Source

• Patent Number

  3,509,143

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • C07C273/1863 - from urea
  • C07C273/1872 - Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
  • C07C279/26 - X and Y being nitrogen atoms
  • C07C279/28 - having nitrogen atoms of guanidine groups bound to cyano groups
  • C09B1/42 - the acyl groups being residues of an aromatic carboxylic acid
  • C09B1/46 - the acyl groups being residues of cyanuric acid or an analogous heterocyclic compound
  • C09B5/36 - Amino acridones
  • C09B6/00 - Anthracene dyes not provided for above
  • C09B43/16 - linking amino-azo or cyanuric acid residues
  • C09B47/08 - Preparation from other phthalocyanine compounds
  • C09B62/06 - Anthracene dyes
  • C09B62/082 - dyes containing in the molecule at least one azo group and at least one other chromophore group

• US Classifications

  • 544 - Organic compounds
  • 008 - Bleaching and dyeing
  • 106 - Compositions: coating or plastic
  • 534 - Organic compounds
  • 540 - Organic compounds