2897188

Information

• Patent Grant
• 2897188

• References
• Source

• Patent Number

  2,897,188

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1959
  65 years ago

• CPC

  • D06P3/3226 - dis-polyazo
  • C09B33/00 - Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
  • C09B33/02 - Disazo dyes
  • C09B33/04 - in which the coupling component is a dihydroxy or polyhydroxy compound
  • C09B33/18 - Trisazo or higher polyazo dyes

• US Classifications

  • 534 - Organic compounds