3690811

Information

• Patent Grant
• 3690811

• References
• Source

• Patent Number

  3,690,811

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • D06P1/39 - using acid dyes
  • D06P3/28 - preparing azo dyes on the material
  • D06P3/54 - using dispersed dyestuffs
  • D06P3/79 - polyolefins
  • D06P3/8204 - fibres of different chemical nature
  • D10B2503/04 - Floor or wall coverings Carpets

• US Classifications

  • 008 - Bleaching and dyeing
  • 057 - Textiles: spinning, twisting, and twining