| PATENT ASSIGNEE'S COUNTRY | Germany |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Process for recovering triaryl phosphine oxides from organic reaction mixt of a homogeneous hydroformylation carried out with the use of a catalyst system, which reaction mixt contains organophosphine complex compds &, in a molar excess, ammonium salts of aromatic phosphines as ligands, comprising - Subjecting the mixt to an extraction with 0.001-0.5% strong NaOH soln at pH 2.5-4 - Recovering aq phase contg triaryl phosphine oxides |
| PATENT PHOTOCOPY | Available on request |
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