3467645

Information

• Patent Grant
• 3467645

• References
• Source

• Patent Number

  3,467,645

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1969
  55 years ago

• CPC

  • C09B35/00 - Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
  • C09B45/24 - Disazo or polyazo compounds
  • C09B45/48 - Preparation from other complex metal compounds of azo dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing