3644391

Information

• Patent Grant
• 3644391

• References
• Source

• Patent Number

  3,644,391

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • C07D233/93 - with hydrocarbon radicals, substituted by halogen atoms, attached to other ring members
  • C07D233/92 - attached in position 4 or 5

• US Classifications

  • 548 - Organic compounds