3630662

Information

• Patent Grant
• 3630662

• References
• Source

• Patent Number

  3,630,662

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  53 years ago

• CPC

  • D06P3/24 - polyamides polyurethanes
  • D06P1/0004 - General aspects of dyeing
  • D06P1/6426 - Heterocyclic compounds
  • D06P1/653 - Nitrogen-free carboxylic acids or their salts
  • D06P1/6735 - of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
  • Y10S8/924 - Polyamide fiber
  • Y10S8/925 - Aromatic polyamide
  • Y10S8/936 - Solubility studies on dyes

• US Classifications

  • 008 - Bleaching and dyeing