3345374

Information

• Patent Grant
• 3345374

• References
• Source

• Patent Number

  3,345,374

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1967
  58 years ago

• CPC

  • C07D291/04 - Five-membered rings
  • C07D285/01 - Five-membered rings
  • C07D419/04 - directly linked by a ring-member-to-ring-member bond
  • C09B1/206 - Dyes with amino groups substituted by heterocyclic radicals

• US Classifications

  • 546 - Organic compounds
  • 548 - Organic compounds
  • 564 - Organic compounds