3271383

Information

• Patent Grant
• 3271383

• References
• Source

• Patent Number

  3,271,383

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1966
  58 years ago

• CPC

  • C09B44/10 - containing cyclammonium groups attached to an azo group by a carbon atom of the ring system
  • C09B1/501 - containing onium groups
  • C09B69/00 - Dyes not provided for by a single group of this subclass
  • C09B69/001 - Dyes containing an onium group attached to the dye skeleton via a bridge
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

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