3423449

Information

• Patent Grant
• 3423449

• References
• Source

• Patent Number

  3,423,449

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  56 years ago

• CPC

  • C07D291/04 - Five-membered rings
  • C07C263/08 - from or via heterocyclic compounds
  • C07D273/00 - Heterocyclic compounds containing rings having nitrogen and oxygen atoms as the only ring hetero atoms, not provided for by groups C07D261/00 - C07D271/00
  • C10B49/22 - according to the "fluidised bed" technique

• US Classifications

  • 560 - Organic compounds
  • 548 - Organic compounds