1698894

Information

• Patent Grant
• 1698894

• References
• Source

• Patent Number

  1,698,894

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1929
  96 years ago

• CPC

  • C07D209/38 - in position 2 and 3
  • C07C311/50 - Compounds containing any of the groups , X being a hetero atom, Y being any atom
  • C07C2101/16 - The ring being unsaturated

• US Classifications

  • 548 - Organic compounds
  • 546 - Organic compounds
  • 564 - Organic compounds