3523959

Information

• Patent Grant
• 3523959

• References
• Source

• Patent Number

  3,523,959

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1970
  54 years ago

• CPC

  • C07C45/46 - Friedel-Crafts reactions
  • C07C45/562 - with nitrogen as the only hetero atom
  • C07C46/00 - Preparation of quinones
  • C07C46/08 - with molecular oxygen
  • C07C50/10 - the quinoid structure being part of a condensed ring system containing two rings
  • C07C50/32 - the quinoid structure being part of a condensed ring system having two rings

• US Classifications

  • 554 - Organic compounds
  • 250 - Radiant energy
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds
  • 568 - Organic compounds