3396172

Information

• Patent Grant
• 3396172

• References
• Source

• Patent Number

  3,396,172

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1968
  56 years ago

• CPC

  • C09B1/42 - the acyl groups being residues of an aromatic carboxylic acid
  • C09B1/206 - Dyes with amino groups substituted by heterocyclic radicals
  • C09B1/40 - the acyl groups being residues of an aliphatic or araliphatic carboxylic acid
  • C09B3/10 - Amino derivatives
  • C09B5/16 - Benz-diazabenzanthrones
  • C09B69/00 - Dyes not provided for by a single group of this subclass

• US Classifications

  • 548 - Organic compounds