Manufacture of carbonyl compounds
US4239657A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1979 |
| Grant date | Dec 16, 1980 |
| Priority date | — |
| Expiry date | Feb 12, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/74
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Aldehydes or ketones of not less than 4 or 5 carbon atoms, respectively, are manufactured in a one stage process in the liquid phase by subjecting aldehydes and/or ketones of not less than 2 or 3 carbon atoms, respectively, to an aldol condensation and hydrogenating the resulting olefinically unsaturated aldehyde, the catalyst used for the aldol condensation and hydrogenation containing nickel or cobalt or their mixtures, zinc oxide and at least one of the elements iron, arsenic, antimony, bismuth, gallium, indium, thallium, germanium, tin, lead, cadmium and mercury or compounds of the said elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.