679172

Information

• Patent Grant
• 679172

• References
• Source

• Patent Number

  679,172

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1901
  123 years ago

• CPC

  • C09B29/0051 - containing a six-membered heterocyclic ring with two nitrogen atoms

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds