Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1996-11-26
1998-04-21
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568451, C07C 4550
Patent
active
057419442
ABSTRACT:
This invention relates to a process for separating one or more phosphorus acidic compounds from a hydroformylation reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphite ligand complex catalyst and optionally free organophosphite ligand which process comprises treating said hydroformylation 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 hydroformylation reaction product fluid.
REFERENCES:
patent: 3555098 (1971-01-01), Olivier et al.
patent: 4567306 (1986-01-01), Dennis et al.
patent: 4835299 (1989-05-01), Maher et al.
patent: 5288918 (1994-02-01), Maher et al.
Billig Ernst
Bryant David Robert
Eisenschmid Thomas Carl
Leung Tak Wai
Nicholson James Clair
Coon Gerald L.
Geist Gary
Padmanabhan Sreeni
Union Carbide Chemicals & Plastics Technology Corporation
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