3615581

Information

• Patent Grant
• 3615581

• References
• Source

• Patent Number

  3,615,581

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1971
  53 years ago

• CPC

  • G03C7/29 - Azo dyes therefor
  • C09B23/107 - four >CH- groups
  • C09B31/08 - from a coupling component "C" containing directive hydroxyl and amino groups
  • C09B35/04 - the tetrazo component being a benzene derivative
  • C09B62/01 - Disazo or polyazo dyes
  • C09B62/475 - Disazo or polyazo dyes

• US Classifications

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