Patents Assigned to ECONIC TECHNOLOGIES LIMITED
  • Method for preparing polyether carbonates
    Patent number: 11851525
    Abstract: The present invention relates to a method for preparing a high molecular weight polyether carbonate, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), and a double metal cyanide (DMC) catalyst.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: December 26, 2023
    Assignee: ECONIC TECHNOLOGIES LIMITED
    Inventors: Michael Kember, Carly Anderson, Emma Hollis
  • Process for the production of tetraaminobiphenol macrocyclic ligands; and novel tetraaminobiphenol macrocyclic ligands
    Patent number: 11014894
    Abstract: A process for preparing a tetra-substituted aminobiphenol macrocyclic ligand having the structure (I), comprising the step of treating a precursor compound having the structure (II) with a compound having the structure R6-L where L represents a leaving group (hereinafter compound (III)) in the presence of a base.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: May 25, 2021
    Assignee: ECONIC TECHNOLOGIES LIMITED
    Inventors: Michael Kember, Anthony Chartoire, Anthea Blackburn, Samuel Drane