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:
Jan. 06, 2015
Filed:
Apr. 26, 2012
Applicants:
R. Jay Warner, Houston, TX (US);
Emily Duff, League City, TX (US);
Victor J. Johnston, Houston, TX (US);
David Lee, Seabrook, TX (US);
Adam Orosco, Houstin, TX (US);
Inventors:
R. Jay Warner, Houston, TX (US);
Emily Duff, League City, TX (US);
Victor J. Johnston, Houston, TX (US);
David Lee, Seabrook, TX (US);
Adam Orosco, Houstin, TX (US);
Assignee:
Celanese International Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/149 (2006.01); C07C 29/80 (2006.01); C07C 27/04 (2006.01); C07C 51/12 (2006.01);
U.S. Cl.
CPC ...
C07C 51/12 (2013.01); C07C 29/149 (2013.01); C07C 29/80 (2013.01);
Abstract
The present invention is related to processes for the separation of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. The crude ethanol product is separated in one or more columns. A reboiler is used following one or more of the columns for reducing ester formation.