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:
Mar. 14, 2017
Filed:
Nov. 29, 2012
Applicant:
Ifp Energies Nouvelles, Rueil-Malmaison Cedex, FR;
Inventors:
Sylvain Louret, Lyons, FR;
Romain Rousset, Lyons, FR;
Assignee:
IFP ENERGIES NOUVELLES, Rueil-Malmaison, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 19/14 (2006.01); C12P 7/10 (2006.01); C12P 19/02 (2006.01); C13K 1/02 (2006.01);
U.S. Cl.
CPC ...
C12P 19/14 (2013.01); C12P 7/10 (2013.01); C12P 19/02 (2013.01); C13K 1/02 (2013.01); Y02E 50/16 (2013.01);
Abstract
The present invention concerns a production of liquefied lignocellulosic substrate by enzymatic reaction. 10% to 40% by weight dry matter of pre-treated lignocellulosic substrate is contacted, with water and enzymes at 0.1 to 60 mg of enzymes per gram of cellulose for a period of 1 to 24 hours. Over time, at least the value of one of the rheological characteristics of the reaction medium is measured. If a reduction of the value is detected over time, the following step a) is carried out: