Patents by Inventor Daniel Gilbert Bracewell

Daniel Gilbert Bracewell 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).

  • Publication number: 20210162370
    Abstract: The present invention provides a process for preparing a functionalised polymeric chromatography medium, which process comprises (I) providing two or more non-woven sheets stacked one on top of the other, each said sheet comprising one or more polymer nanofibres, (II) simultaneously heating and pressing the stack of sheets to fuse points of contact between the nanofibres of adjacent sheets, and (III) contacting the pressed and heated product with a reagent which functionalises the product of step (II) as a chromatography medium.
    Type: Application
    Filed: October 23, 2020
    Publication date: June 3, 2021
    Inventors: Oliver Hardick, Daniel Gilbert Bracewell, Stewart Dods
  • Patent number: 11008364
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibres which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: May 18, 2021
    Assignee: Puridify Ltd.
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick
  • Publication number: 20200392179
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibres which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same.
    Type: Application
    Filed: June 23, 2020
    Publication date: December 17, 2020
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick
  • Patent number: 10850259
    Abstract: The present invention provides a process for preparing a functionalised polymeric chromatography medium, which process comprises (I) providing two or more non-woven sheets stacked one on top of the other, each said sheet comprising one or more polymer nanofibres, (II) simultaneously heating and pressing the stack of sheets to fuse points of contact between the nanofibres of adjacent sheets, and (III) contacting the pressed and heated product with a reagent which functionalises the product of step (II) as a chromatography medium.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: December 1, 2020
    Assignee: Puridify Ltd.
    Inventors: Oliver Hardick, Daniel Gilbert Bracewell, Stewart Dods
  • Patent number: 10696714
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibres which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: June 30, 2020
    Assignee: PURIDIFY, LTD.
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick
  • Publication number: 20190276491
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibres which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 12, 2019
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick
  • Patent number: 10344051
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibers which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: July 9, 2019
    Assignee: Puridify Ltd.
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick
  • Publication number: 20180094022
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibres which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same.
    Type: Application
    Filed: September 25, 2017
    Publication date: April 5, 2018
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick
  • Patent number: 9802979
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibers which form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same in chromatography, such as the isolation of recombinant proteins, monoclonal antibodies, viral vaccines and plasmid DNA. The invention further provides for the use of the chromatographic medium in a simulated moving bed system.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: October 31, 2017
    Assignee: Puridify Ltd.
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick
  • Publication number: 20160288089
    Abstract: The present invention provides a process for preparing a functionalised polymeric chromatography medium, which process comprises (I) providing two or more non-woven sheets stacked one on top of the other, each said sheet comprising one or more polymer nanofibres, (II) simultaneously heating and pressing the stack of sheets to fuse points of contact between the nanofibres of adjacent sheets, and (III) contacting the pressed and heated product with a reagent which functionalises the product of step (II) as a chromatography medium.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 6, 2016
    Inventors: Oliver Hardick, Daniel Gilbert Bracewell, Stewart Dods
  • Publication number: 20140296464
    Abstract: The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibres which form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same in chromatography, such as the isolation of recombinant proteins, monoclonal antibodies, viral vaccines and plasmid DNA. The invention further provides for the use of the chromatographic medium in a simulated moving bed system.
    Type: Application
    Filed: November 7, 2012
    Publication date: October 2, 2014
    Applicant: UCL BUSINESS PLC
    Inventors: Daniel Gilbert Bracewell, Robert Stevens, Oliver Hardick