| 摘要 |
<p>A method for making diphenyl carbonate free of color bodies is provided by reacting an organic hydroxy compound, such as phenol with carbon monoxide and oxygen in the presence of an effective amount of a palladium catalyst, in the form of a palladium material which is used in combination with a quaternary ammonium salt, an inorganic cocatalyst, such as cobalt diacetate and an organic cocatalyst such as benzophenone or 1,10-phenanthroline. Recycling of catalyst values is also provided.</p> |
| 申请人 |
GENERAL ELECTRIC CO., SCHENECTADY, N.Y., US |
发明人 |
KING, JOSEPH ANTHONY, JR., SCHENECTADY, NEW YORK 12309, US;FALER, GARY RAY, SCOTIA, NEW YORK 12302, US;KRAFFT, TERRY EDWARD, LONGMONT, COLORADO 80503, US |
