3446810

Information

• Patent Grant
• 3446810

• References
• Source

• Patent Number

  3,446,810

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • C09B5/62 - Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
  • C07C45/65 - by splitting-off hydrogen atoms or functional groups by hydrogenolysis of functional groups
  • C09B3/42 - Preparation by synthesis of the nucleus
  • C09B5/20 - Flavanthrones
  • C09B5/40 - Condensation products of benzanthronyl-amino-anthraquinones

• US Classifications

  • 544 - Organic compounds
  • 546 - Organic compounds
  • 552 - Organic compounds