3639542

Information

• Patent Grant
• 3639542

• References
• Source

• Patent Number

  3,639,542

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  54 years ago

• CPC

  • C08G63/68 - Polyesters containing atoms other than carbon, hydrogen and oxygen
  • C07F9/08 - Esters of oxyacids of phosphorus
  • C07F9/091 - with hydroxyalkyl compounds with further substituents on alkyl
  • C07F9/5304 - Acyclic saturated phosphine oxides or thioxides
  • C08G18/4684 - containing phosphorus
  • C08G18/686 - containing cycloaliphatic groups

• US Classifications

  • 558 - Organic compounds
  • 521 - 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