1675499

Information

• Patent Grant
• 1675499

• References
• Source

• Patent Number

  1,675,499

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1928
  96 years ago

• CPC

  • C09B49/04 - from amino compounds of the benzene, naphthalene or anthracene series

• US Classifications

  • 564 - Organic compounds