2187813

Information

• Patent Grant
• 2187813

• References
• Source

• Patent Number

  2,187,813

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1940
  85 years ago

• CPC

  • C09B5/32 - 1.3 azoles of the anthracene series
  • C09B5/44 - Azines of the anthracene series

• US Classifications

  • 544 - Organic compounds