1822974

Information

• Patent Grant
• 1822974

• References
• Source

• Patent Number

  1,822,974

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1931
  93 years ago

• CPC

  • C07C215/82 - having the nitrogen atom of at least one of the amino groups further bound to a carbon atom of another six-membered aromatic ring

• US Classifications

  • 564 - Organic compounds