2980666

Information

• Patent Grant
• 2980666

• References
• Source

• Patent Number

  2,980,666

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  64 years ago

• CPC

  • C09B33/06 - in which the coupling component is a diamine or polyamine
  • C07D277/82 - Nitrogen atoms
  • C09B29/0025 - from diazotized amino heterocyclic compounds

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 548 - Organic compounds