2238209

Information

• Patent Grant
• 2238209

• References
• Source

• Patent Number

  2,238,209

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1941
  83 years ago

• CPC

  • C09B5/38 - Compounds containing acridone and carbazole rings

• US Classifications

  • 546 - Organic compounds
  • 548 - Organic compounds