Patents by Inventor Erika de Araújo VALONI

Erika de Araújo VALONI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Enzymatic process for depolymerization of post-consumer poly(ethylene terephthalate) by a glycolysis reaction, process for recycling post-consumer poly(ethylene terephthalate), and recycled poly(ethylene terephthalate)

Patent number: 11359068

Abstract: The present invention relates to an enzymatic process for depolymerization of post-consumer poly(ethylene terephthalate) by a glycolysis reaction. This invention also relates to a process for recycling post-consumer poly(ethylene terephthalate) and to the recycled poly(ethylene terephthalate) obtained by said process.

Type: Grant

Filed: September 14, 2017

Date of Patent: June 14, 2022

Assignee: PETROLEO BRASILEIRO S.A.—PETROBRAS

Inventors: Aline Machado De Castro, Adriano Carniel De Oliveira, Erika de Araújo Valoni, Danielle Altomari Teixeira, Cesar Rezende Da Motta
ENZYMATIC PROCESS FOR DEPOLYMERIZATION OF POST-CONSUMER POLY(ETHYLENE TEREPHTHALATE) BY A GLYCOLYSIS REACTION, PROCESS FOR RECYCLING POST-CONSUMER POLY(ETHYLENE TEREPHTHALATE), AND RECYCLED POLY(ETHYLENE TEREPHTHALATE)

Publication number: 20200255621

Abstract: The present invention relates to an enzymatic process for depolymerization of post-consumer poly(ethylene terephthalate) by a glycolysis reaction. This invention also relates to a process for recycling post-consumer poly(ethylene terephthalate) and to the recycled poly(ethylene terephthalate) obtained by said process.

Type: Application

Filed: September 14, 2017

Publication date: August 13, 2020

Applicant: PETROLEO BRASILEIRO S.A. - PETROBRAS

Inventors: Aline Machado DE CASTRO, Adriano Carniel DE OLIVEIRA, Erika de Araújo VALONI, Danielle Altomari TEIXEIRA, Cesar Rezende DA MOTTA

Enzymatic process for depolymerization of post-consumer poly(ethylene terephthalate) by a glycolysis reaction, process for recycling post-consumer poly(ethylene terephthalate), and recycled poly(ethylene terephthalate)

ENZYMATIC PROCESS FOR DEPOLYMERIZATION OF POST-CONSUMER POLY(ETHYLENE TEREPHTHALATE) BY A GLYCOLYSIS REACTION, PROCESS FOR RECYCLING POST-CONSUMER POLY(ETHYLENE TEREPHTHALATE), AND RECYCLED POLY(ETHYLENE TEREPHTHALATE)