3422111

Information

• Patent Grant
• 3422111

• References
• Source

• Patent Number

  3,422,111

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  56 years ago

• CPC

  • E21D23/0065 - driven, or automatically
  • C07D213/20 - Quaternary compounds thereof
  • C07D215/10 - Quaternary compounds
  • C09B44/02 - containing ammonium groups not directly attached to an azo group
  • C09B57/001 - Pyrene dyes
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 546 - Organic compounds
  • 008 - Bleaching and dyeing
  • 552 - Organic compounds
  • 564 - Organic compounds