3471525

Information

• Patent Grant
• 3471525

• References
• Source

• Patent Number

  3,471,525

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1969
  55 years ago

• CPC

  • C07C50/32 - the quinoid structure being part of a condensed ring system having two rings
  • C07C45/56 - from heterocyclic compounds
  • C07C46/00 - Preparation of quinones
  • C07C46/02 - by oxidation giving rise to quinoid structures
  • C07C46/06 - of at least one hydroxy group on a six-membered aromatic ring
  • C07C46/08 - with molecular oxygen
  • C07C49/83 - polycyclic
  • C07C50/10 - the quinoid structure being part of a condensed ring system containing two rings

• US Classifications

  • 552 - Organic compounds
  • 568 - Organic compounds