2769815

Information

• Patent Grant
• 2769815

• References
• Source

• Patent Number

  2,769,815

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1956
  68 years ago

• CPC

  • C09B3/46 - by halogenation
  • C07B39/00 - Halogenation
  • C07C17/206 - the other compound being HX
  • C07C17/208 - the other compound being MX
  • C07C46/00 - Preparation of quinones
  • C07C49/697 - containing six-membered aromatic rings
  • C07C50/24 - containing halogen
  • C07D209/38 - in position 2 and 3
  • C09B3/06 - Preparation from starting materials already containing the benzanthrone nucleus

• US Classifications

  • 548 - Organic compounds
  • 552 - Organic compounds
  • 570 - Organic compounds