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. 06, 2012
Filed:
Aug. 06, 2010
R. Jay Warner, Houston, TX (US);
Wael Amleh, Pearland, TX (US);
Gerald Grusendorf, Rosharon, TX (US);
Trinity Horton, Houston, TX (US);
Radmila Jevtic, Houston, TX (US);
Victor J. Johnston, Houston, TX (US);
Fred Ronald Olsson, Corpus Christi, TX (US);
Nathan Kirk Powell, Waxahachie, TX (US);
Manuel Salado, Seabrook, TX (US);
Lincoln Sarager, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Wael Amleh, Pearland, TX (US);
Gerald Grusendorf, Rosharon, TX (US);
Trinity Horton, Houston, TX (US);
Radmila Jevtic, Houston, TX (US);
Victor J. Johnston, Houston, TX (US);
Fred Ronald Olsson, Corpus Christi, TX (US);
Nathan Kirk Powell, Waxahachie, TX (US);
Manuel Salado, Seabrook, TX (US);
Lincoln 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 crude ethanol product are employed to allow recovery of ethanol and remove impurities. In addition, the process involves separating the crude ethanol product using an extractive distillation column that employs an extraction agent, such as a recycled stream comprising water.