Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1997-03-11
1999-06-29
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568451, C07C 4550
Patent
active
059170956
ABSTRACT:
This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand which process comprises (a) treating said reaction product fluid with water sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid and (b) treating the water which contains phosphorus acidic compounds removed from said reaction product fluid with an acid removal substance sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said water.
REFERENCES:
patent: 3555098 (1971-01-01), Olivier et al.
patent: 5288918 (1994-02-01), Maher et al.
Briggs John Robert
Bryant David Robert
Maher John Michael
Nicholson James Clair
Packett Diane Lee
Coon Gerald L.
Geist Gary
Padmanabhan Sreeni
Union Carbide Chemicals & Plastics Technology Corporation
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