3623831

Information

• Patent Grant
• 3623831

• References
• Source

• Patent Number

  3,623,831

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • D06P3/68 - preparing azo dyes on the material
  • D06P3/8257 - using dispersed and azo dyes prepared in situ
  • Y10S8/908 - Anionic emulsifiers for dyeing
  • Y10S8/912 - Arylene sulfonate-formaldehyde condensate or alkyl aryl sulfonate
  • Y10S8/915 - Amino sulfonic acids
  • Y10S8/922 - Polyester fiber
  • Y10S8/933 - Thermosol dyeing, thermofixation or dry heat fixation or development

• US Classifications

  • 008 - Bleaching and dyeing