Catalysts for the dehydration of hydroxypropionic acid and its derivatives
US11090639B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | May 11, 2020 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | May 11, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/188
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof are dehydrated using a catalyst and a method to produce bio-acrylic acid, acrylic acid derivatives, or mixtures thereof. A method to produce the dehydration catalyst is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.