Process for preparing acrolein from glycerol or glycerin
US9079841B2 · kind B2 · utility
2Cited by
3References
14Claims
0Family size
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Key dates
| Filing date | Jun 16, 2011 |
| Grant date | Jul 14, 2015 |
| Priority date | — |
| Expiry date | Jun 16, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns a method for preparing acrolein from glycerol or glycerine, wherein dehydration of the glycerol or glycerine is achieved in the presence of a catalyst based on zirconium oxide and which active phase consists in at least This method can be used for making 3-(methylthio)propionic aldehyde MMP, 2-hydroxy-4-methylthiobutyronitrile HMTBN, methionine and its analogs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.