3642905

Information

• Patent Grant
• 3642905

• References
• Source

• Patent Number

  3,642,905

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • C07C49/657 - containing six-membered aromatic rings
  • C07C45/31 - with compounds containing mercury atoms, which may be regenerated in situ
  • C07C45/72 - by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
  • C07C46/02 - by oxidation giving rise to quinoid structures

• US Classifications

  • 568 - Organic compounds