Patents by Inventor Colin KEYWORTH

Colin KEYWORTH 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).

  • Catalysts
    Patent number: 10774180
    Abstract: The present invention relates to the field of polymerisation catalysts, and systems comprising these catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I): wherein at least one of M1 or M2 is selected from Ni(II) and Ni(III)-X. A process for the reaction of carbon dioxide with an epoxide; an epoxide and an anhydride; and/or a lactide and/or a lactone in the presence of the catalyst is also described.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: September 15, 2020
    Assignee: ECONIC TECHNOLOGIES LTD.
    Inventors: Colin Keyworth, Andy Chapman, Anthony Chartoire, Emmalina Hollis, Charlotte Williams, Michael Kember
  • CATALYSTS
    Publication number: 20190055352
    Abstract: The present invention relates to the field of polymerisation catalysts, and systems comprising these catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I): wherein at least one of M1 or M2 is selected from Ni(II) and Ni(III)-X. A process for the reaction of carbon dioxide with an epoxide; an epoxide and an anhydride; and/or a lactide and/or a lactone in the presence of the catalyst is also described.
    Type: Application
    Filed: June 21, 2018
    Publication date: February 21, 2019
    Inventors: Colin Keyworth, Andy Chapman, Anthony Chartoire, Emmalina Hollis, Charlotte Williams, Michael Kember
  • Catalysts
    Patent number: 10030102
    Abstract: The present invention relates to the field of polymerisation catalysts, and systems comprising these catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I): wherein at least one of M1 or M2 is selected from Ni(II) and Ni(III)-X. A process for the reaction of carbon dioxide with an epoxide; an epoxide and an anhydride; and/or a lactide and/or a lactone in the presence of the catalyst is also described.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: July 24, 2018
    Assignee: ECONIC TECHNOLOGIES LTD.
    Inventors: Colin Keyworth, Andy Chapman, Anthony Chartoire, Emmalina Hollis, Charlotte Williams, Michael Kember
  • Catalysts
    Publication number: 20170204221
    Abstract: The present invention relates to the field of polymerisation catalysts, and systems comprising these catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I): wherein at least one of M1 or M2 is selected from Ni(II) and Ni(III)-X. A process for the reaction of carbon dioxide with an epoxide; an epoxide and an anhydride; and/or a lactide and/or a lactone in the presence of the catalyst is also described.
    Type: Application
    Filed: July 22, 2015
    Publication date: July 20, 2017
    Inventors: Colin KEYWORTH, Andy CHAPMAN, Anthony CHARTOIRE, Emma HOLLIS, Charlotte Williams, Michael KEMBER