Process for hydrogenation of aromatic polycarboxylic acids or derivatives thereof to the corresponding alicyclic polycarboxylic acids or derivatives thereof
US10640447B1 · kind B1 · utility
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25Claims
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Key dates
| Filing date | Mar 14, 2019 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Mar 14, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/25
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention discloses the process for hydrogenation of aromatic polycarboxylic acids or derivatives thereof, hydrogenation of aromatic polycarboxylic acids or derivatives thereof can be achieved in the present of the catalyst, which consist at least one metal of the eighth transition group of the Periodic Table as the active metal while group IIA and group IVA elements are included as the catalyst support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.