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:
Jun. 09, 2015
Filed:
Feb. 07, 2012
Applicants:
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);
Inventors:
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);
Assignee:
Celanese International Corporation, Irving, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 27/04 (2006.01); C07C 29/149 (2006.01); C07C 51/12 (2006.01); C07C 51/44 (2006.01);
U.S. Cl.
CPC ...
C07C 29/149 (2013.01); C07C 51/12 (2013.01); C07C 51/44 (2013.01);
Abstract
The present invention relates to a process for the production of ethanol using a molar excess of hydrogen. A mixed feed of acetic acid and ethyl acetate is fed to a reactor to be converted to ethanol. Hydrogen flow is increased to avoid a negative conversion of ethyl acetate.