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:
Jul. 24, 1990
Filed:
Mar. 17, 1989
Applicant:
Inventors:
Gunther Osterburg, Rheurdt, DE;
Milan Prezelj, Frankfurt am Main, DE;
Assignee:
Deutsche Texaco Aktiengesellschaft, Hamburg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
203 14 ; 203 39 ; 203D / ; 568699 ;
Abstract
An energy saving process for purification of methyl tertbutyl ether by fractional distillation of a mixture containing dissolved water and C.sub.4 hydrocarbons characterized by phase separation of water and methyl tertiary butyl ether within the distillation column and withdrawal of the separated water phase from the column at a point below the point at which the mixture is supplied to the column.