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. 03, 2017
Filed:
Jun. 26, 2009
Applicants:
Michael R. Ladisch, West Lafayette, IN (US);
Brian Stater, Noblesville, IN (US);
Bradley Spindler, Fishers, IN (US);
Inventors:
Michael R. Ladisch, West Lafayette, IN (US);
Brian Stater, Noblesville, IN (US);
Bradley Spindler, Fishers, IN (US);
Assignees:
Purdue Research Foundation, West Lafayette, IN (US);
Bowen Engineering Corporation, Indianapolis, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
C13K 1/02 (2006.01);
U.S. Cl.
CPC ...
C13K 1/02 (2013.01); Y02E 50/16 (2013.01); Y10T 137/0318 (2015.04);
Abstract
Described are methods for pretreating lignocellulosic biomass that comprise passing a hot aqueous biomass slurry through a heat exchange passage from an inlet to an outlet and locally regulating pressure in the passage by feed of a pressurized liquid medium to one or more intermediate locations of the passage. Also described are methods for producing ethanol from the pretreated biomass.