3656880

Information

• Patent Grant
• 3656880

• References
• Source

• Patent Number

  3,656,880

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • D06P5/04 - with organic compounds
  • C09B1/585 - substituted by aryl radicals
  • C09B5/2472 - 1,3 dioxo derivatives
  • D06P1/20 - Anthraquinone dyes
  • D06P3/6041 - using specified dyes

• US Classifications

  • 008 - Bleaching and dyeing
  • 548 - Organic compounds