Patents by Inventor Lucy Jane Challis

Lucy Jane Challis 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).

  • Sorbent
    Patent number: 10105677
    Abstract: A method for preparing a sorbent composition includes the steps of: applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 ?m. The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: October 23, 2018
    Assignee: Johnson Matthey PLC
    Inventors: Andrew Fish, Lucy Jane Challis, Matthew John Cousins, Mark Robert Feaviour, Alison Mary Wagland, Stephen David Pollington, Edmund Hugh Stitt
  • SORBENT
    Publication number: 20160001258
    Abstract: A method for preparing a sorbent composition includes the steps of: applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 ?m. The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.
    Type: Application
    Filed: September 15, 2015
    Publication date: January 7, 2016
    Applicant: Johnson Matthey PLC
    Inventors: Andrew Fish, Lucy Jane Challis, Matthew John Cousins, Mark Robert Feaviour, Alison Mary Wagland, Stephen David Pollington, Edmund Hugh Stitt
  • Sorbent
    Patent number: 9156019
    Abstract: A method for preparing a sorbent composition includes the steps of: (i) applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and (ii) drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 ?m. The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: October 13, 2015
    Assignee: Johnson Matthey PLC
    Inventors: Andrew Fish, Lucy Jane Challis, Matthew John Cousins, Mark Robert Feaviour, Alison Mary Wagland, Stephen David Pollington, Edmund Hugh Stitt
  • SORBENT
    Publication number: 20130053234
    Abstract: A method for preparing a sorbent composition includes the steps of: (i) applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and (ii) drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 ?m. The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.
    Type: Application
    Filed: August 10, 2010
    Publication date: February 28, 2013
    Applicant: JOHNSON MATTHEY PLC
    Inventors: Andrew Fish, Lucy Jane Challis, Matthew John Cousins, Mark Robert Feaviour, Alison Mary Wagland, Stephen David Pollington, Edmund Hugh Stitt
  • REMOVAL OF NITROGEN COMPOUNDS
    Publication number: 20100155297
    Abstract: A process for the removal of one or more nitrogen compounds, e.g. basic nitrogen compound from a fluid stream is described in which the fluid is contacted with a functionalized polymer fibre material having functional groups capable of reacting with the nitrogen compounds.
    Type: Application
    Filed: June 7, 2006
    Publication date: June 24, 2010
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Peter John Herbert Carnell, Matthew John Cousins, Lucy Jane Challis