Process for hydrogenation of benzenepolycarboxylic acids and derivatives thereof
US10017448B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 9, 2015 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Oct 9, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for ring hydrogenation of a benzenepolycarboxylic acid or derivative thereof, includes contacting a feed stream comprising the acid or derivative thereof with a hydrogen containing gas in the presence of a catalyst under hydrogenation conditions to produce a hydrogenated product, wherein the catalyst contains rhodium and ruthenium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.