3681481

Information

• Patent Grant
• 3681481

• References
• Source

• Patent Number

  3,681,481

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • C08K5/5397 - Phosphine oxides
  • C07F9/4015 - Esters of acyclic unsaturated acids
  • C07F9/4025 - Esters of poly(thio)phosphonic acids
  • C07F9/5059 - by addition of phosphorus compounds to alkenes or alkynes
  • C08K5/49 - Phosphorus-containing compounds
  • C08K5/50 - Phosphorus bound to carbon only

• US Classifications

  • 558 - Organic compounds
  • 252 - Compositions
  • 556 - 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