2428759

Information

• Patent Grant
• 2428759

• References
• Source

• Patent Number

  2,428,759

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1947
  77 years ago

• CPC

  • C09B5/342 - Anthraquinone thioxanthrones
  • C09B5/26 - Carbazoles of the anthracene series

• US Classifications

  • 548 - Organic compounds
  • 549 - Organic compounds