3892725

Information

• Patent Grant
• 3892725

• References
• Source

• Patent Number

  3,892,725

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1975
  49 years ago

• CPC

  • C09B31/143 - 1,2-Diazoles
  • C09B44/14 - 1, 2-Diazoles or hydrogenated 1,2-diazoles Pyrazolium; Indazolium
  • D06P3/76 - using basic dyes
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 558 - Organic compounds
  • 560 - Organic compounds
  • 562 - Organic compounds