3346550

Information

• Patent Grant
• 3346550

• References
• Source

• Patent Number

  3,346,550

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1967
  57 years ago

• CPC

  • C09B35/03 - in which the coupling component is a heterocyclic compound
  • C09B45/02 - Preparation from dyes containing in o-postion a hydroxyl group and in o'-position hydroxyl, alkoxy, carboxyl, amino or keto groups

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds
  • 560 - Organic compounds