3923997

Information

• Patent Grant
• 3923997

• References
• Source

• Patent Number

  3,923,997

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • C07D307/33 - in position 2, the oxygen atom being in its keto or unsubstituted enol form
  • A01N43/04 - with one hetero atom

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions
  • 424 - Drug, bio-affecting and body treating compositions