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. 14, 2025
Filed:
Nov. 28, 2019
Applicant:
Fundacion Tecnalia Research & Innovation, Donostia—San Sebastián, ES;
Inventors:
José Ramón Ochoa Gómez, Vitoria-Gasteiz, ES;
Jonatan Pérez Arce, Vitoria-Gasteiz, ES;
Belén Maestro Madurga, Vitoria-Gasteiz, ES;
Eduardo José García Suárez, Vitoria-Gasteiz, ES;
Assignee:
FUNDACION TECNALIA RESEARCH & INNOVATION, Donostia—San Sebastián, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07G 1/00 (2011.01); C08G 18/64 (2006.01);
U.S. Cl.
CPC ...
C07G 1/00 (2013.01); C08G 18/6492 (2013.01);
Abstract
The present invention relates to a process to manufacture lignin-based polyols (LBP) by ring opening polymerization (ROP) of oxiranes in the presence of lignin and in an organic solvent or mixture thereof using acidic catalysts. The LBP are suitable to manufacture polyurethanes, polycarbonates and polyesters.