3684426

Information

• Patent Grant
• 3684426

• References
• Source

• Patent Number

  3,684,426

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • D06P1/625 - Aromatic
  • D06P1/6076 - addition products of amines and alkylene oxides or oxiranes
  • D06P1/621 - Compounds without nitrogen
  • D06P3/24 - polyamides polyurethanes
  • D06P3/241 - using acid dyes
  • Y10S8/90 - Basic emulsifiers for dyeing
  • Y10S8/924 - Polyamide fiber
  • Y10S8/93 - Pretreatment before dyeing

• US Classifications

  • 008 - Bleaching and dyeing