3148062

Information

• Patent Grant
• 3148062

• References
• Source

• Patent Number

  3,148,062

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1964
  60 years ago

• CPC

  • C07D257/04 - Five-membered rings
  • C07D231/26 - 1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
  • C07D231/32 - Oxygen atoms
  • C07D231/34 - with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached in position 4
  • C07D231/36 - with hydrocarbon radicals, substituted by hetero atoms, attached in position 4
  • C07D231/52 - Oxygen atom in position 3 and nitrogen atom in position 5, or vice-versa
  • C07D249/18 - Benzotriazoles
  • C07D277/74 - Sulfur atoms substituted by carbon atoms
  • C07D307/80 - Radicals substituted by oxygen atoms
  • C07D333/34 - Sulfur atoms
  • C07F3/12 - Aromatic substances containing mercury
  • C09B11/06 - Hydroxy derivatives of triarylmethanes in which at least one OH group is bound to an aryl nucleus and their ethers or esters
  • C09B11/26 - Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic
  • C09B31/061 - containing acid groups
  • C09B35/04 - the tetrazo component being a benzene derivative
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • G03C7/305 - Substances liberating photographically active agents
  • G03C7/3335 - containing an azo chromophore

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 534 - Organic compounds
  • 548 - Organic compounds