3877949

Information

• Patent Grant
• 3877949

• References
• Source

• Patent Number

  3,877,949

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • C09B33/22 - Trisazo dyes of the type A->B->K<-C
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • G03C7/29 - Azo dyes therefor

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 534 - Organic compounds