Catalytic preparation of ketones from aldehydes
US3966822A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1972 |
| Grant date | Jun 29, 1976 |
| Priority date | — |
| Expiry date | Apr 27, 1992 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/553
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Symmetrical and unsymmetrical ketones are produced from aldehydes (aliphatic, alicyclic or aromatic aldehydes) or their mixtures according to the process of the present invention which comprises contacting the aldehydes or mixtures theirof with a catalyst selected from the group consisting of zirconium oxide and combinations of zirconium oxide with an alkali metal oxide and/or an alkaline earth metal oxide. Said catalyst is used with or without a carrier. The process is operated in the vapor phase at elevated temperature in the presence or absence of steam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.