3076815

Information

• Patent Grant
• 3076815

• References
• Source

• Patent Number

  3,076,815

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1963
  61 years ago

• CPC

  • C07D401/12 - linked by a chain containing hetero atoms as chain links
  • C07D209/40 - Nitrogen atoms, not forming part of a nitro radical
  • C07D209/46 - with an oxygen atom in position 1
  • C07D209/50 - with oxygen and nitrogen atoms in positions 1 and 3
  • C07D413/12 - linked by a chain containing hetero atoms as chain links
  • C07D417/12 - linked by a chain containing hetero atoms as chain links
  • C08K5/0041 - Optical brightening agents, organic pigments
  • C09B1/206 - Dyes with amino groups substituted by heterocyclic radicals
  • C09B23/162 - only nitrogen atoms
  • C09B26/02 - Hydrazone dyes
  • C09B26/04 - cationic
  • C09B57/04 - Isoindoline dyes
  • C09B69/00 - Dyes not provided for by a single group of this subclass

• US Classifications

  • 548 - Organic compounds