2149064

Information

• Patent Grant
• 2149064

• References
• Source

• Patent Number

  2,149,064

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1939
  85 years ago

• CPC

  • C09B5/26 - Carbazoles of the anthracene series

• US Classifications

  • 548 - Organic compounds
  • 552 - Organic compounds