3759892

Information

• Patent Grant
• 3759892

• References
• Source

• Patent Number

  3,759,892

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1973
  51 years ago

• CPC

  • D06P3/3233 - using dis-polyazo premetallised dyes
  • C09B33/044 - the coupling component being a bis-phenol
  • C09B45/38 - Preparation from compounds with -OH and -COOH adjacent in the same ring or in peri position
  • D06P3/326 - using metallisable or mordant dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing