3847541

Information

• Patent Grant
• 3847541

• References
• Source

• Patent Number

  3,847,541

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • C09B1/547 - Anthraquinones with aromatic ether groups
  • Y10S8/908 - Anionic emulsifiers for dyeing
  • Y10S8/912 - Arylene sulfonate-formaldehyde condensate or alkyl aryl sulfonate
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds