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. 28, 2020
Filed:
Jul. 04, 2017
Applicant:
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Inventors:
Cyprien Charra, Lyons, FR;
Frederic Favre, Lyons, FR;
Adrien Mekki-Berrada, St Etienne, FR;
Olivier Thinon, Roanne, FR;
Assignee:
IFP Energies Nouvelles, Rueil-Malmaison, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 11/24 (2006.01); C07C 67/03 (2006.01); C07C 67/56 (2006.01);
U.S. Cl.
CPC ...
C08J 11/24 (2013.01); C07C 67/03 (2013.01); C07C 67/56 (2013.01); C07C 2601/16 (2017.05); C08J 2367/02 (2013.01);
Abstract
A subject-matter of the invention is a process for the depolymerization of a polyester feedstock comprising opaque PET, the said process comprising at least the stages of conditioning, of depolymerization and of separation of the diol and of separation of the liquid effluent rich in monomers, followed by a decolouration stage.