3420843

Information

• Patent Grant
• 3420843

• References
• Source

• Patent Number

  3,420,843

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  55 years ago

• CPC

  • C09B5/26 - Carbazoles of the anthracene series
  • C09B6/00 - Anthracene dyes not provided for above

• US Classifications

  • 548 - Organic compounds
  • 546 - Organic compounds