3689676

Information

• Patent Grant
• 3689676

• References
• Source

• Patent Number

  3,689,676

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • C07C211/31 - the six-membered aromatic ring being part of a condensed ring system formed by at least three rings
  • C07C61/39 - containing six-membered aromatic rings
  • C07C2103/10 - containing five-membered rings

• US Classifications

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