2150109

Information

• Patent Grant
• 2150109

• References
• Source

• Patent Number

  2,150,109

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1939
  85 years ago

• CPC

  • C09B5/48 - Bis-anthraquinonediazines (indanthrone)

• US Classifications

  • 544 - Organic compounds