3450689

Information

• Patent Grant
• 3450689

• References
• Source

• Patent Number

  3,450,689

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1969
  55 years ago

• CPC

  • C09B33/12 - in which the coupling component is a hetero-cyclic compound
  • C09B62/455 - Metal complex azo dyes

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds
  • 562 - Organic compounds