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:
Oct. 06, 2015
Filed:
Dec. 15, 2014
Celanese International Corporation, Irving, TX (US);
David Lee, Seabrook, TX (US);
Fred Ronald Olsson, Corpus Christi, TX (US);
Adam Orosco, Houston, TX (US);
Nathan Kirk Powell, Waxahachie, TX (US);
Manuel Salado, Seabrook, TX (US);
Lincoln Sarager, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Radmila Wollrab, Pasadena, TX (US);
Victor J. Johnston, Houston, TX (US);
Celanese International Corporation, Irving, TX (US);
Abstract
Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid using a low energy process. The crude ethanol product is separated in a column to produce a distillate stream comprising acetaldehyde and a residue stream comprising ethanol, acetic acid, ethyl acetate and water. The ethanol product is recovered from the residue stream.