3888877

Information

• Patent Grant
• 3888877

• References
• Source

• Patent Number

  3,888,877

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  50 years ago

• CPC

  • C07D209/48 - with oxygen atoms in positions 1 and 3
  • C07C51/27 - with oxides of nitrogen or nitrogen-containing mineral acids
  • C07C59/125 - Saturated compounds having only one carboxyl group and containing ether groups, groups, groups, or groups
  • C07C59/305 - containing ether groups, groups, groups, or groups
  • C07C59/68 - the oxygen atom of the ether group being bound to a non-condensed six-membered aromatic ring
  • C07C323/25 - the carbon skeleton being acyclic and saturated
  • C07D273/00 - Heterocyclic compounds containing rings having nitrogen and oxygen atoms as the only ring hetero atoms, not provided for by groups C07D261/00 - C07D271/00
  • C07D291/00 - Heterocyclic compounds containing rings having nitrogen, oxygen and sulfur atoms as the only ring hetero atoms
  • C07D513/08 - Bridged systems
  • C07D515/08 - Bridged systems
  • C07F9/5004 - Acyclic saturated phosphines
  • C07F9/5449 - Polyphosphonium compounds
  • C07F9/657163 - the ring phosphorus atom being bound to at least one carbon atom

• US Classifications

  • 540 - Organic compounds
  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making
  • 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