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:
Nov. 27, 2012
Filed:
Sep. 24, 2010
Victor J. Johnston, Houston, TX (US);
Josefina T. Chapman, Houston, TX (US);
Radmila Jevtic, Pasadena, TX (US);
Heiko Weiner, Pasadena, TX (US);
Tianshu Pan, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Gerald Grusendorf, Rosharon, TX (US);
Nathan Bower, Houston, TX (US);
Lincoln M. Sarager, Houston, TX (US);
Victor J. Johnston, Houston, TX (US);
Josefina T. Chapman, Houston, TX (US);
Radmila Jevtic, Pasadena, TX (US);
Heiko Weiner, Pasadena, TX (US);
Tianshu Pan, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Gerald Grusendorf, Rosharon, TX (US);
Nathan Bower, Houston, TX (US);
Lincoln M. Sarager, Houston, TX (US);
Celanese International Corporation, Dallas, TX (US);
Abstract
Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and remove acetal impurities.