3716368

Information

• Patent Grant
• 3716368

• References
• Source

• Patent Number

  3,716,368

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  51 years ago

• CPC

  • C09B33/00 - Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
  • C07D231/22 - with aryl radicals attached to ring nitrogen atoms
  • C09B43/145 - with polycarboxylic acids
  • C09B43/32 - by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines
  • C09B45/00 - Complex metal compounds of azo dyes
  • G03C7/29 - Azo dyes therefor

• US Classifications

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