3219522

Information

• Patent Grant
• 3219522

• References
• Source

• Patent Number

  3,219,522

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1965
  59 years ago

• CPC

  • C07D233/30 - Oxygen or sulfur atoms
  • A01N43/48 - having rings with two nitrogen atoms as the only ring hetero atoms
  • C07D233/70 - One oxygen atom
  • C07D233/84 - Sulfur atoms
  • C07D239/10 - Oxygen or sulfur atoms
  • C07D239/32 - One oxygen, sulfur or nitrogen atom
  • C07D239/38 - One sulfur atom
  • C07D243/04 - having the nitrogen atoms in positions 1,3
  • C07D245/02 - not condensed with other rings

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions
  • 548 - Organic compounds