| 摘要 |
The present patent application relates to a process for copolymerizing a mixture of carbon monoxide and at least one olefinically unsaturated compound with catalyst compositions comprising: (a) a palladium compound, (b) an anion of an acid with a pKa of less than 4, (c) a triaryl arsine, and (d) a compound containing at least one phenolic hydroxyl group.
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