3689500

Information

• Patent Grant
• 3689500

• References
• Source

• Patent Number

  3,689,500

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • C07F9/65183 - the phosphorus atom is bonded to a cyclic carbon atom, directly or through a heteroatom other than nitrogen
  • A01N57/16 - containing heterocyclic radicals

• US Classifications

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