The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 1998
Filed:
Feb. 28, 1997
Applicant:
Inventors:
Remy Teissier, Francheville, FR;
Jacques Kervennal, Lyons, FR;
Assignee:
Elf Atochem S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568388 ; 568390 ;
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):