904224

Information

• Patent Grant
• 904224

• References
• Source

• Patent Number

  904,224

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1908
  116 years ago

• CPC

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

• US Classifications

  • 568 - Organic compounds