3870697

Information

• Patent Grant
• 3870697

• References
• Source

• Patent Number

  3,870,697

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

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

• US Classifications

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