3876635

Information

• Patent Grant
• 3876635

• References
• Source

• Patent Number

  3,876,635

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1975
  49 years ago

• CPC

  • C07F9/65212 - the phosphorus atom is bonded to a cyclic carbon atom, other than directly, through a heteroatom, or through a hydrocarbon chain which may be broken by at least one nitrogen atom
  • C07F9/657181 - the ring phosphorus atom and, at least, one ring oxygen atom being part of a (thio)phosphonic acid derivative

• US Classifications

  • 544 - 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