2827464

Information

• Patent Grant
• 2827464

• References
• Source

• Patent Number

  2,827,464

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1958
  67 years ago

• CPC

  • C09B5/28 - Anthrimide carbazoles
  • C09B1/48 - Anthrimides
  • C09B3/32 - by halogenation
  • C09B3/82 - Preparation from starting materials already containing the condensed anthracene nucleus
  • C09B5/02 - the heterocyclic ring being only condensed in peri position
  • C09B5/24 - the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
  • C09B5/40 - Condensation products of benzanthronyl-amino-anthraquinones
  • C09B6/00 - Anthracene dyes not provided for above

• US Classifications

  • 546 - Organic compounds
  • 548 - Organic compounds
  • 552 - Organic compounds