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:
May. 31, 2016
Filed:
Feb. 07, 2012
Radmila Jevtic, Pasadena, TX (US);
Victor J. Johnston, Houston, TX (US);
David Lee, Seabrook, TX (US);
Heiko Weiner, Pasadena, TX (US);
Zhenhua Zhou, Houston, TX (US);
Radmila Jevtic, Pasadena, TX (US);
Victor J. Johnston, Houston, TX (US);
David Lee, Seabrook, TX (US);
Heiko Weiner, Pasadena, TX (US);
Zhenhua Zhou, Houston, TX (US);
CELANESE INTERNATIONAL CORPORATION, Irving, TX (US);
Abstract
The present invention is directed to the separation of ethanol from a crude ethanol product obtained from the vaporization and hydrogenation of acetic acid using reduced residence time for the vapor phase reactants between exiting the vaporizer and entering the reactor. The crude ethanol product is separated in at least one column to recover an ethanol product.