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:
Oct. 06, 2015
Filed:
Nov. 08, 2013
Applicant:
Celanese International Corporation, Irving, TX (US);
Inventors:
Radmila Wollrab, Pasadena, TX (US);
Iva Franjkic, League City, TX (US);
Victor J. Johnston, Houston, TX (US);
Heiko Weiner, Pasadena, TX (US);
Assignee:
Celanese International Corporation, Irving, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/08 (2006.01); C07C 29/151 (2006.01);
U.S. Cl.
CPC ...
C07C 29/1512 (2013.01);
Abstract
A process for produce ethanol by hydrogenation acetic acid and/or esters thereof is disclosed. The process involves reacting hydrogen feed stream with an acetic acid feed stream in a reactor operated in the presence of a catalyst to form an ethanol mixture and monitoring carbon monoxide concentration of the fresh hydrogen feed stream and adjusting temperature in the reactor in response to the carbon monoxide concentration of the fresh hydrogen feed stream.