3421831

Information

• Patent Grant
• 3421831

• References
• Source

• Patent Number

  3,421,831

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  56 years ago

• CPC

  • D06P1/81 - using dyes dissolved in inorganic solvents
  • D06P1/67316 - Acids
  • Y10S8/922 - Polyester fiber
  • Y10S8/924 - Polyamide fiber
  • Y10S8/928 - Polyolefin fiber

• US Classifications

  • 008 - Bleaching and dyeing