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:
Nov. 10, 1981
Filed:
May. 09, 1980
Applicant:
Inventors:
Paul Mikitenko, Noisy le Roi, FR;
Lionel Asselineau, Paris, FR;
Assignee:
Institut Francais du petrole, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568697 ; 568699 ; 203 42 ; 203 66 ; 203 70 ; 203 78 ;
Abstract
Process for producing and isolating methyl-tert-butyl ether (MTBE) comprising etherifying isobutene, contained in a C.sub.4 hydrocarbons mixture, with methanol in the presence of a recycle stream of C.sub.5 and/or C.sub.6 hydrocarbons, separating from the obtained reaction product, by fractionation, at least the major part of the unconverted C.sub.4 hydrocarbons, and discharging them, and fractionating the remaining product in two fractions, one of which contains an azeotrope of methanol with the C.sub.5 and/or C.sub.6 hydrocarbons and is recycled, the other fraction containing the purified MTBE.