1274351

Information

• Patent Grant
• 1274351

• References
• Source

• Patent Number

  1,274,351

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1918
  106 years ago

• CPC

  • C09B49/02 - from nitro compounds of the benzene, naphthalene or anthracene series

• US Classifications

  • 568 - Organic compounds