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:
Sep. 03, 2024
Filed:
Feb. 19, 2019
Compagnie Industrielle DE LA Matiere Vegetale—cimv, Neuilly sur Seine, FR;
Bouchra Benjelloun Mlayah, Pompertuzat, FR;
Michel Delmas, Auzeville-Tolosane, FR;
Compagnie Industrielle de la Matiere Vegetale—CIMV, Neuilly sur Seine, FR;
Abstract
A method of production of lignin and hemicellulose from a plant lignocellulosic material includes (a) contacting a plant lignocellulosic material with an extraction solution during more than 2 hours at a temperature between 95° ° C. to 110° C., thereby obtaining a solid fraction and a liquid fraction, (b) separating the solid fraction and the liquid fraction, (c) concentrating the liquid fraction so as to obtain a concentrated liquid fraction, (d) mixing equal parts by weight of water with the concentrated liquid fraction so as to obtain a suspension comprising solid particles in suspension in a liquid medium, (e) separating the particles and the medium of the suspension, (f) recovering the particles of the suspension thereby obtaining a fraction comprising lignin called lignified fraction, (g) recovering the medium of the suspension thereby obtaining a fraction comprising hemicellulose called hemicellulosic fraction.