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:
Apr. 26, 1983
Filed:
Jan. 26, 1981
Norbert Bremus, Langenfeld, DE;
Gerhard Dieckelmann, Hilden, DE;
Lutz Jeromin, Dusseldorf-Holthausen, DE;
Wolfgang Rupilius, Dusseldorf-Urdenbach, DE;
Hartwig Schutt, Dusseldorf-Benrath, DE;
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;
Abstract
A process for the continuous production of triacetin consisting essentially of continuously charging liquid glycerol into a first liquid reaction area through which acetic acid vapors and water vapors flow, said liquid reaction area being divided into a number of separate individual areas through which liquid glycerol and liquid acetin reaction products flow in one direction and gaseous acetic acid and water flow in a countercurrent direction, continuously charging acetic acid vapor to a separate individual area where said liquid mixture has an OH number of less than 600, continuously separating a liquid mixture of acetins and water having an OH number of less than 600, continuously passing said liquid mixture into a second liquid reaction area, continuously adding thereto liquid acetic acid anhydride in an amount sufficient to react with water dissolved in said liquid mixture to form acetic acid and to react with monoacetin and diacetin present to form triacetin and continuously recovering triacetin.