3487067

Information

• Patent Grant
• 3487067

• References
• Source

• Patent Number

  3,487,067

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  54 years ago

• CPC

  • C09B33/22 - Trisazo dyes of the type A->B->K<-C
  • C09B33/048 - the coupling component being a bis-naphthol
  • C09B43/145 - with polycarboxylic acids

• US Classifications

  • 534 - Organic compounds