Process for obtaining isophorone
US5849957A · kind A · utility
0Cited by
8References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Feb 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for obtaining isophorone from acetone, characterized in that the operation is carried out (i) in liquid phase in the presence of a magnesium aluminum double oxide of formula Mg.sub.1-x Al.sub.x O.sub.1+x or (ii) either in gaseous or liquid phase in the presence of a catalyst of general formula (I): EQU (Mg.sup.2+).sub.1-x (Al.sup.3+).sub.x (OH.sup.-).sub.2 !.sup.x+ (OH.sup.-).sub.x !.sup.x- (H.sub.2 O).sub.n (I) PA1 with 0.20.ltoreq.x.ltoreq.0.33 and n<1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.