3922323

Information

• Patent Grant
• 3922323

• References
• Source

• Patent Number

  3,922,323

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • C07F9/657181 - the ring phosphorus atom and, at least, one ring oxygen atom being part of a (thio)phosphonic acid derivative
  • C07F9/4025 - Esters of poly(thio)phosphonic acids
  • C07F9/4056 - Esters of arylalkanephosphonic acids
  • C07F9/657136 - the molecule containing more than one cyclic phosphorus atom
  • C08K5/53 - bound to oxygen and to carbon only
  • C08K5/5357 - cyclic

• US Classifications

  • 558 - Organic compounds
  • 523 - Synthetic resins or natural rubbers
  • 524 - Synthetic resins or natural rubbers
  • 544 - Organic compounds
  • 548 - 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