3269894

Information

• Patent Grant
• 3269894

• References
• Source

• Patent Number

  3,269,894

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1966
  58 years ago

• CPC

  • C07F9/3895 - Pyrophosphonic acids; phosphonic acid anhydrides
  • C07F9/09 - Esters of phosphoric acids
  • C07F9/098 - Esters of polyphosphoric acids or anhydrides
  • C07F9/12 - with hydroxyaryl compounds
  • C07F9/165 - Esters of thiophosphoric acids
  • C07F9/1658 - Esters of thiopolyphosphoric acids or anhydrides
  • C07F9/38 - Phosphonic acids RP(=O)(OH)2 Thiophosphonic acids

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions
  • 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