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. 05, 2015
Filed:
Aug. 22, 2013
Applicant:
Celanese International Corporation, Irving, TX (US);
Inventors:
Radmila Wollrab, Pasadena, TX (US);
Victor J. Johnston, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Heiko Weiner, Pasadena, TX (US);
Assignee:
Celanese International Corporation, Irving, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/149 (2006.01);
U.S. Cl.
CPC ...
C07C 29/149 (2013.01); C07C 29/149 (2013.01); C07C 31/08 (2013.01);
Abstract
A process for selective formation of ethanol from acetic acid by hydrogenating acetic acid in the presence of a catalyst comprises a first metal on an acidic support. The acidic support may comprise an acidic support material or may comprise an support having an acidic support modifier. The catalyst may be used alone to produced ethanol via hydrogenation or in combination with another catalyst. In addition, the crude ethanol product is separated to obtain ethanol.