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. 11, 2016
Filed:
Jun. 28, 2013
Applicants:
Centre National DE LA Recherche Scientifique (C.n.r.s), Paris, FR;
Universite Claude Bernard Lyon 1, Villeurbanne, FR;
Inventors:
Nadine Essayem, Saint Just Chaleyssin, FR;
Gilbert Sapaly, Lyons, FR;
Marion Eternot, Ecully, FR;
Franck Rataboul, Lyons, FR;
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), Paris, FR;
UNIVERSITE CLAUDE BERNARD LYON 1, Villeuranne, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/00 (2006.01); C10L 1/16 (2006.01); C10L 1/19 (2006.01);
U.S. Cl.
CPC ...
C07C 67/00 (2013.01); C10L 1/1608 (2013.01); C10L 1/19 (2013.01); C10L 2200/0469 (2013.01); C10L 2270/023 (2013.01); C10L 2270/026 (2013.01); Y02P 20/544 (2015.11);
Abstract
A method for preparing at least one ester of levulinic acid from a biomass includes steps of impregnating the biomass by an organic or inorganic acid, and putting the acidified biomass in contact with a supercritical fluid including at least one olefin.