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:
Jan. 24, 2023
Filed:
Jun. 07, 2019
Petróleo Brasileiro S.a.—petrobras, Rio de Janeiro, BR;
Universidade Federal DO Rio DE Janeiro—ufrj, Rio de Janeiro, BR;
Aline Machado De Castro, Rio de Janeiro, BR;
Sonia Maria Cabral De Menezes, Rio de Janeiro, BR;
Luiz Silvino Chinelatto Junior, Rio de Janeiro, BR;
Alessandra Rangel Cassella, Rio de Janeiro, BR;
Bernardo Dias Ribeiro, Rio de Janeiro, BR;
Petróleo Brasileiro S.A.—Petrobras, Rio de Janeiro, BR;
Abstract
The present invention describes a process for pretreatment of lignocellulosic biomass that comprises the step of contacting a lignocellulosic biomass with an ionic liquid consisting of a phthalic salt of dicholine in the weight ratio from 1:1 to 1:100 of biomass:ionic liquid, said step taking place for a period of time that varies from 0.4 to 48 hours and in a temperature range that varies from 60 to 200° C. Furthermore, the present invention also relates to the use of the pretreated lignocellulosic biomass in an enzymatic hydrolysis process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile