- Patent Title: 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)
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Application No.: US16468582Application Date: 2017-09-14
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Publication No.: US11359068B2Publication Date: 2022-06-14
- Inventor: Aline Machado De Castro , Adriano Carniel De Oliveira , Erika de Araújo Valoni , Danielle Altomari Teixeira , Cesar Rezende Da Motta
- Applicant: PETROLEO BRASILEIRO S.A.—PETROBRAS
- Applicant Address: BR Rio de Janeiro
- Assignee: PETROLEO BRASILEIRO S.A.—PETROBRAS
- Current Assignee: PETROLEO BRASILEIRO S.A.—PETROBRAS
- Current Assignee Address: BR Rio de Janeiro
- Agency: Sughrue Mion, PLLC
- International Application: PCT/GB2017/052719 WO 20170914
- International Announcement: WO2019/053392 WO 20190321
- Main IPC: C08J11/24
- IPC: C08J11/24 ; C08J11/10 ; C12N9/18
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.
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