3338941

Information

• Patent Grant
• 3338941

• References
• Source

• Patent Number

  3,338,941

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1967
  57 years ago

• CPC

  • C07D207/323 - with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atoms
  • C07F9/65683 - the ring phosphorus atom being part of a phosphine
  • C07F9/706 - Heterocyclic compounds containing As in the ring

• US Classifications

  • 556 - Organic compounds
  • 125 - Stone working
  • 534 - Organic compounds
  • 548 - Organic compounds
  • 568 - Organic compounds
  • 987 - Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system