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. 22, 2013
Filed:
Sep. 12, 2012
Michael Charles Grady, Oaklyn, NJ (US);
William D Parten, Wilmington, DE (US);
Bruce M Vrana, Hockessin, DE (US);
Yihui Tom Xu, Newark, DE (US);
Joseph J Zaher, Newark, DE (US);
Michael Charles Grady, Oaklyn, NJ (US);
William D Parten, Wilmington, DE (US);
Bruce M Vrana, Hockessin, DE (US);
Yihui Tom Xu, Newark, DE (US);
Joseph J Zaher, Newark, DE (US);
Butamax Advanced Biofuels LLC, Wilmington, DE (US);
Abstract
A process for recovering butanol from a mixture comprising a water-immiscible organic extractant, water, butanol, and optionally a non-condensable gas, is provided. The butanol is selected from 1-butanol, 2-butanol, isobutanol, and mixtures thereof. The extractant comprises at least one solvent selected from the group consisting of Cto Cfatty alcohols, Cto Cfatty acids, esters of Cto Cfatty acids, Cto Cfatty aldehydes, and mixtures thereof.