Patents Assigned to 9449710 CANADA INC.
  • Terephthalic acid esters formation
    Patent number: 11866404
    Abstract: The present disclosure relates to the formation of terephthalate esters.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: January 9, 2024
    Assignee: 9449710 CANADA INC.
    Inventors: Adel Essaddam, Fares Essaddam
  • Process for the depolymerization of polyethylene terephthalate (PET)
    Patent number: 11795291
    Abstract: The present disclosure relates to the formation of dimethyl terephthalate (DMT) and mono ethylene glycol (MEG). The present invention also relates to the depolymerization of polyethylene terephthalate (PET) and the recovery of dimethyl terephthalate (DMT) and mono ethylene glycol (MEG) using sodium methoxide as a catalyst.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: October 24, 2023
    Assignee: 9449710 CANADA INC.
    Inventors: Adel Essaddam, Fares Essaddam
  • Process for recovering and reusing depolymerization catalyst
    Patent number: 11554366
    Abstract: The present disclosure relates to the recovery of an alkoxide catalyst used in a process depolymerizing a polyester to form a diacid or diester and a diol. The present disclosure also relates to the recovery of an alkoxide catalyst used in a process depolymerizing polyethylene terephthalate to form dimethyl terephthalate and mono ethylene glycol.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 17, 2023
    Assignee: 9449710 CANADA INC.
    Inventors: Fares Essaddam, Hatem Essaddam, Ramzi Zarrougui
  • Terephthalic acid esters formation
    Patent number: 11401398
    Abstract: The present disclosure relates to the formation of dimethyl terephthalate (DMT). The present invention also relates to the depolymerization of polyethylene terephthalate (PET) and the recovery of dimethyl terephthalate (DMT).
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: August 2, 2022
    Assignee: 9449710 CANADA INC.
    Inventors: Adel Essaddam, Fares Essaddam
  • Process for the depolymerization of polyethylene terephthalate (PET)
    Patent number: 11248103
    Abstract: The present disclosure relates to the formation of dimethyl terephthalate (DMT) and mono ethylene glycol (MEG). The present invention also relates to the depolymerization of polyethylene terephthalate (PET) and the recovery of dimethyl terephthalate (DMT) and mono ethylene glycol (MEG) using sodium methoxide as a catalyst.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: February 15, 2022
    Assignee: 9449710 CANADA INC.
    Inventors: Adel Essaddam, Fares Essaddam
  • Terephthalic acid esters formation
    Patent number: 10808096
    Abstract: The present disclosure relates to the formation of dimethyl terephthalate (DMT). The present invention also relates to the depolymerization of polyethylene terephthalate (PET) and the recovery of dimethyl terephthalate (DMT).
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: October 20, 2020
    Assignee: 9449710 CANADA INC.
    Inventors: Adel Essaddam, Fares Essaddam
  • Terephthalic acid esters formation
    Patent number: 10793508
    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.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: October 6, 2020
    Assignee: 9449710 CANADA INC.
    Inventors: Adel Essaddam, Fares Essaddam
  • Terephthalic acid esters formation
    Patent number: 10252976
    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.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: April 9, 2019
    Assignee: 9449710 CANADA INC.
    Inventors: Adel Essaddam, Fares Essaddam