Process for hydrogenation of phthalate compound
US11148992B2 · kind B2 · utility
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5References
7Claims
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Key dates
| Filing date | Nov 1, 2018 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Nov 1, 2038 |
Classification
- Technology area (CPC —)General
Abstract
Provided is a hydrogenation method of a phthalate compound. According to the present invention, in the hydrogenation reaction, generation of by-products is suppressed, and thus catalytic activity is improved and life-time is extended, thereby increasing efficiency of a commercial process and economic efficiency. Further, since the hydrogenation product prepared by the present invention has high purity and a low acid value, its quality as a plasticizer is excellent, thereby being applied to a variety of products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.