PROCESS FOR MAKING ALICYCLIC POLYCARBOXYLIC ACIDS OR THEIR DERIVATIVES

The present invention discloses a process for making alicyclic polycarboxylic acids or their derivatives, referring to a process for hydrogenating aromatic polycarboxylic acids or their derivatives in the presence of hydrogen and a catalyst to form alicyclic polycarboxylic acids or their derivatives...

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Bibliographische Detailangaben
Hauptverfasser: Chi, Ching-Fa, Yang, Ying-Chien, Chen, Yi-Hui, Wang, Yih-Ping, Ho, Chyi-Liuh
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention discloses a process for making alicyclic polycarboxylic acids or their derivatives, referring to a process for hydrogenating aromatic polycarboxylic acids or their derivatives in the presence of hydrogen and a catalyst to form alicyclic polycarboxylic acids or their derivatives, and the catalyst comprises at least one active metal of group VIIIB transition elements of the periodic table of elements, and a catalyst support comprising group IIA and group IIIA elements in a specific weight ratio.