3869250

Information

• Patent Grant
• 3869250

• References
• Source

• Patent Number

  3,869,250

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • D06P5/12 - Reserving parts of the material before dyeing or printing; Locally decreasing dye affinity by chemical means
  • D06P1/0096 - Multicolour dyeing
  • D06P1/655 - Compounds containing ammonium groups
  • D06P3/8261 - mixtures of fibres containing nitrile groups
  • Y10S8/927 - Polyacrylonitrile fiber
  • Y10S8/929 - Carpet dyeing

• US Classifications

  • 008 - Bleaching and dyeing