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. 25, 2016
Filed:
Sep. 26, 2013
Roquette Freres, Lestrem, FR;
Mathias Ibert, La Chappelle d'Armentieres, FR;
Flora Chambon, Marc En Baroeul, FR;
Laurent Dambrine, Sains en Gohelle, FR;
ROQUETTE FRERES, Lestrem, FR;
Abstract
A method for selective hydrogenation of furan-2,5-dialdehyde (DFF) into 2,5-di(hydroxymethyl)furan (DHMF) and into 2,5-di(hydroxymethyl)tetrahydrofuran (DHMTHF). In relation to the prior art, which uses C6 sugars or 5-hydroxymethyl furaldehyde (5-HMF) as raw materials, the method can be performed at low temperatures (lower than 120° C., preferably 80° C.), while consuming low amounts of catalyst relative to the initial reagent (in particular less than 5%, preferably less than 2% relative to the weight of the reagent). The heterogeneous catalyst used can also be recycled from one reaction to another. Finally, the choice of experimental conditions enables the selective formation of DHMF or DHMTHF.