3635940

Information

• Patent Grant
• 3635940

• References
• Source

• Patent Number

  3,635,940

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1972
  53 years ago

• CPC

  • C07D213/81 - Amides Imides
  • C09B33/06 - in which the coupling component is a diamine or polyamine
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B44/02 - containing ammonium groups not directly attached to an azo group
  • C09B44/04 - from coupling components containing amino as the only directing group
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

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