2289280

Information

• Patent Grant
• 2289280

• References
• Source

• Patent Number

  2,289,280

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1942
  82 years ago

• CPC

  • C09B5/26 - Carbazoles of the anthracene series

• US Classifications

  • 548 - Organic compounds
  • 544 - Organic compounds
  • D02 - Apparel and haberdashery