| 摘要 |
To restore their effectiveness, deactivated, water-soluble hydroformylation catalysts containing rhodium and sulphonated or carboxylated arylphosphines, are admixed with maleic acid, fumaric acid or olefinically unsaturated compounds of the general formula <IMAGE> in which X represents O, S, N-R<5> or P-R<5> and R<3>, R<4> and R<5> are identical or different and mean hydrogen, an alkyl radical or an aryl radical. |
| 申请人 |
HOECHST AG, 6230 FRANKFURT, DE |
发明人 |
KONKOL, WERNER, DIPL.-CHEM. DR., 4200 OBERHAUSEN, DE;BAHRMANN, HELMUT, DIPL.-CHEM. DR., 4236 HAMMINKELN, DE;HERRMANN, WOLFGANG A., PROF. DIPL.-CHEM. DR., 8051 GIGGENHAUSEN, DE;KOHLPAINTNER, CHRISTIAN, 8209 STEPHANSKIRCHEN, DE |
