3420917

Information

• Patent Grant
• 3420917

• References
• Source

• Patent Number

  3,420,917

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • C07F9/5312 - substituted by a phosphorus atom
  • C07F9/5329 - Polyphosphine oxides or thioxides
  • C08K5/5397 - Phosphine oxides
  • C11D1/79 - Phosphine oxides

• US Classifications

  • 558 - Organic compounds
  • 524 - Synthetic resins or natural rubbers
  • 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