3820949

Information

• Patent Grant
• 3820949

• References
• Source

• Patent Number

  3,820,949

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • D06P3/794 - using dispersed dyes
  • D06P3/8204 - fibres of different chemical nature
  • D06P5/17 - azo dyes
  • D06P5/22 - Effecting variation of dye affinity on textile material by chemical means that react with the fibre
  • Y10S8/928 - Polyolefin fiber
  • Y10S8/929 - Carpet dyeing

• US Classifications

  • 008 - Bleaching and dyeing