3639536

Information

• Patent Grant
• 3639536

• References
• Source

• Patent Number

  3,639,536

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • C09K15/322 - containing only phosphorus
  • C07F9/657127 - condensed with carbocyclic or heterocyclic rings or ring systems
  • C07F9/657154 - Cyclic esteramides of oxyacids of phosphorus
  • C07F9/65744 - condensed with carbocyclic or heterocyclic rings or ring systems
  • C09K15/324 - containing phosphorus and sulfur

• US Classifications

  • 558 - 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