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:
Dec. 02, 2014
Filed:
Apr. 26, 2011
Applicants:
Radmila Jevtic, Pasadena, TX (US);
Victor Johnston, Houston, TX (US);
Lincoln Sarager, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Heiko Weiner, Pasadena, TX (US);
Trinity Horton, Houston, TX (US);
Inventors:
Radmila Jevtic, Pasadena, TX (US);
Victor Johnston, Houston, TX (US);
Lincoln Sarager, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Heiko Weiner, Pasadena, TX (US);
Trinity Horton, Houston, TX (US);
Assignee:
Celanese International Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/149 (2006.01); C07C 29/90 (2006.01); C07C 29/88 (2006.01); C07C 67/08 (2006.01); C07C 29/141 (2006.01);
U.S. Cl.
CPC ...
C07C 29/141 (2013.01); C07C 29/90 (2013.01); C07C 29/88 (2013.01); C07C 29/149 (2013.01); C07C 67/08 (2013.01);
Abstract
Ethanol production process for recovering ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Ethanol recovery is improved by esterifying a vapor crude ethanol product to reduce unreacted acetic acid concentration.