3910895

Information

• Patent Grant
• 3910895

• References
• Source

• Patent Number

  3,910,895

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • C07F9/53 - Organo-phosphine oxides Organo-phosphine thioxides
  • C07D249/06 - with aryl radicals directly attached to ring atoms
  • C07F9/32 - Esters thereof
  • C07F9/4056 - Esters of arylalkanephosphonic acids
  • C07F9/65182 - the phosphorus atom is bonded to a cyclic carbon atom, other than directly, through a heteroatom, or through a hydrocarbon chain which may be broken by at least one nitrogen atom
  • C09B23/0066 - the polymethine chain being part of a carbocyclic ring,(

• US Classifications

  • 548 - Organic compounds
  • 008 - Bleaching and dyeing
  • 252 - Compositions
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 558 - Organic compounds
  • 564 - 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