2741621

Information

• Patent Grant
• 2741621

• References
• Source

• Patent Number

  2,741,621

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1956
  68 years ago

• CPC

  • C07D271/107 - with two aryl or substituted aryl radicals attached in positions 2 and 5
  • C09B1/363 - the acyl groups being residues of a dicarboxylic compound forming a bridge between two anthraquinones
  • C09B1/43 - Dicarboxylic acids

• US Classifications

  • 548 - Organic compounds
  • 560 - Organic compounds