1405446

Information

• Patent Grant
• 1405446

• References
• Source

• Patent Number

  1,405,446

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1922
  102 years ago

• CPC

  • C09B49/04 - from amino compounds of the benzene, naphthalene or anthracene series
  • C07C249/02 - of compounds containing imino groups

• US Classifications

  • 552 - Organic compounds