Invention Grant
- Patent Title: Terephthalic acid esters formation
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Application No.: US16259980Application Date: 2019-01-28
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Publication No.: US10793508B2Publication Date: 2020-10-06
- Inventor: Adel Essaddam , Fares Essaddam
- Applicant: 9449710 CANADA INC.
- Applicant Address: CA Terrebonne
- Assignee: 9449710 CANADA INC.
- Current Assignee: 9449710 CANADA INC.
- Current Assignee Address: CA Terrebonne
- Agency: Wilson Sonsini Goodrich & Rosati
- Main IPC: C07C69/82
- IPC: C07C69/82 ; C08L101/00 ; C07C29/09 ; C07C29/128 ; C07C31/20 ; C07C51/09 ; C07C67/08 ; C08F8/50 ; C08J7/02 ; C08J11/24 ; C08J11/26 ; C08K5/05 ; C08L67/03

Abstract:
The present disclosure relates to the formation of terephthalate esters. The present invention also relates to the depolymerization of polyethylene terephthalate (PET) or poly(ethylene glycol-co-1,4-cyclohexanedimethanol terephthalate) and the recovery of terephthalate esters.
Public/Granted literature
- US20190256450A1 TEREPHTHALIC ACID ESTERS FORMATION Public/Granted day:2019-08-22
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