3449057

Information

• Patent Grant
• 3449057

• References
• Source

• Patent Number

  3,449,057

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  56 years ago

• CPC

  • D06B11/0086 - the textile material being one or more yarns
  • D06P1/66 - containing quaternary ammonium groups
  • D06P3/241 - using acid dyes
  • Y10S8/924 - Polyamide fiber
  • Y10S8/929 - Carpet dyeing

• US Classifications

  • 008 - Bleaching and dyeing