Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1997-03-11
1999-02-23
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568451, C07C 4550
Patent
active
058746404
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 treating said reaction product fluid with an aqueous buffer solution sufficient to neutralize and remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid.
REFERENCES:
patent: 3555098 (1971-01-01), Olivier et al.
patent: 4567306 (1986-01-01), Dennis et al.
patent: 5288918 (1994-02-01), Maher et al.
patent: 5741942 (1998-01-01), Bryant
patent: 5741944 (1998-01-01), Bryant
Billig Ernst
Briggs John Robert
Bryant David Robert
Eisenschmid Thomas Carl
Leung Tak Wai
Coon Gerald L.
Geist Gary
Padmanabhan S.
Union Carbide Chemicals & Plastics Technology Corporation
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