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:
May. 02, 2017
Filed:
Mar. 10, 2011
Jeremy Luterbacher, Ithaca, NY (US);
Larry P. Walker, Ithaca, NY (US);
Jefferson W. Tester, Hingham, MA (US);
Jeremy Luterbacher, Ithaca, NY (US);
Larry P. Walker, Ithaca, NY (US);
Jefferson W. Tester, Hingham, MA (US);
CORNELL UNIVERSITY, Ithaca, NY (US);
Abstract
A process for pretreatment of a biomass material, comprising subjecting a biomass material to a biphasic mixture of water and supercritical COat a temperature in the range of 150° C. to 250° C. under high pressure for a time of from 10 seconds to 100 minutes. In particular embodiments, the process is performed as a two-stage temperature process wherein an initial short high-temperature stage is conducted at a temperature of at least 200° C. for up to 20 minutes and a subsequent longer low-temperature stage is conducted at a temperature of at least 140° C. and up to 190° C. for 10-120 minutes.