Patents by Inventor Ramzi ZARROUGUI

Ramzi ZARROUGUI 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).

  • 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
  • PROCESS FOR RECOVERING AND REUSING DEPOLYMERIZATION CATALYST
    Publication number: 20200298219
    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: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Inventors: Fares ESSADDAM, Hatem ESSADDAM, Ramzi ZARROUGUI