1804538

Information

• Patent Grant
• 1804538

• References
• Source

• Patent Number

  1,804,538

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1931
  93 years ago

• CPC

  • C09B5/38 - Compounds containing acridone and carbazole rings

• US Classifications

  • 546 - Organic compounds