3891617

Information

• Patent Grant
• 3891617

• References
• Source

• Patent Number

  3,891,617

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • C09B33/00 - Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
  • C09B33/044 - the coupling component being a bis-phenol
  • C09B45/00 - Complex metal compounds of azo dyes
  • C09B45/24 - Disazo or polyazo compounds
  • D06P3/326 - using metallisable or mordant dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 562 - Organic compounds