2182351

Information

• Patent Grant
• 2182351

• References
• Source

• Patent Number

  2,182,351

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1939
  85 years ago

• CPC

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

• US Classifications

  • 549 - Organic compounds
  • 562 - Organic compounds