Patents by Inventor Matthew David Gwydion Lunn
Matthew David Gwydion Lunn 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).
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Patent number: 10751688Abstract: A method is described for preparing a sorbent comprising the steps of: (i) forming agglomerates comprising a particulate support material, (ii) coating the agglomerates with a coating mixture powder comprising a particulate copper sulphide and a particulate calcined, rehydratable alumina to form a coated agglomerate, and (iii) drying the coated agglomerate to form a dried sorbent.Type: GrantFiled: May 5, 2016Date of Patent: August 25, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew James Evans, Matthew David Gwydion Lunn, Martin Graham Partridge, Christopher John Young
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Patent number: 10751687Abstract: A method is described for preparing a sorbent precursor comprising the steps of: (i) forming agglomerates comprising a particulate support material, (ii) coating the agglomerates with a coating mixture powder comprising a particulate sulphidable copper compound and a particulate calcined, rehydratable alumina to form a coated agglomerate, and (iii) drying the coated agglomerate to form a dried sorbent precursor. The sorbent precursor may be sulphided and used to remove heavy metals such as mercury from fluid streams.Type: GrantFiled: May 5, 2016Date of Patent: August 25, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew James Evans, Paul Thomas Foran, Matthew David Gwydion Lunn
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Patent number: 10751686Abstract: A method is described for preparing a sorbent comprising the steps of: (i) mixing together a particulate copper sulphide material and a particulate calcined rehydratable alumina, (ii) shaping the mixture, and (iii) drying the shaped mixture to form a dried sorbent.Type: GrantFiled: May 5, 2016Date of Patent: August 25, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew James Evans, Matthew David Gwydion Lunn, Martin Graham Partridge, Christopher John Young
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Patent number: 10589253Abstract: A method is described for preparing a sorbent including the steps of: (i) mixing together a particulate copper sulphide material, a particulate support material and one or more binders, (ii) shaping the mixture, and (iii) drying the shaped mixture to form a dried sorbent.Type: GrantFiled: December 4, 2014Date of Patent: March 17, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew James Evans, Matthew David Gwydion Lunn, Martin Graham Partridge, Christopher John Young
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Publication number: 20190282994Abstract: A sorbent precursor is described comprising agglomerates of an inert particulate support material, the agglomerates being bound together with a binder comprising cement and/or clay, said binder being characterized as an agglomerate binder, wherein (a) the agglomerates are coated with a surface layer coating comprising a particulate copper compound and one or more coating binders, and (b) the surface layer has a thickness in a range of from 1 to 1000 ?m. The sorbent precursor may be sulphided to prepare a sorbent for removing heavy metals from fluid streams.Type: ApplicationFiled: May 31, 2019Publication date: September 19, 2019Inventors: Matthew James Evans, Paul Thomas Foran, Matthew David Gwydion Lunn
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Patent number: 10343137Abstract: A method for preparing a sorbent precursor, which may be sulphided and used to remove heavy metals such as mercury from fluid streams, includes the steps of: (i) mixing together an inert particulate support material and one or more binders to form a support mixture, (ii) shaping the support mixture by granulation in a granulator to form agglomerates, (iii) coating the agglomerates with a coating mixture powder including a particulate copper compound and one or more binders to form a coated agglomerate, and (iv) drying the coated agglomerate to form a dried sorbent precursor.Type: GrantFiled: December 4, 2014Date of Patent: July 9, 2019Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew James Evans, Paul Thomas Foran, Matthew David Gwydion Lunn
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Patent number: 10272413Abstract: A method is described for preparing a sorbent comprising the steps of: (i) mixing together an inert particulate support material and one or more binders to form a support mixture, (ii) shaping the support mixture by granulation in a granulator to form agglomerates, (iii) coating the agglomerates with a coating mixture powder comprising a particulate copper sulphide and one or more binders to form a coated agglomerate, and (iv) drying the coated agglomerate to form a dried sorbent.Type: GrantFiled: November 15, 2017Date of Patent: April 30, 2019Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew James Evans, Matthew David Gwydion Lunn, Martin Graham Partridge, Christopher John Young
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Publication number: 20180169609Abstract: A method is described for preparing a sorbent precursor comprising the steps of: (i) forming agglomerates comprising a particulate support material, (ii) coating the agglomerates with a coating mixture powder comprising a particulate sulphidable copper compound and a particulate calcined, rehydratable alumina to form a coated agglomerate, and (iii) drying the coated agglomerate to form a dried sorbent precursor. The sorbent precursor may be sulphided and used to remove heavy metals such as mercury from fluid streams.Type: ApplicationFiled: May 5, 2016Publication date: June 21, 2018Inventors: Matthew James EVANS, Paul Thomas FORAN, Matthew David Gwydion LUNN
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Publication number: 20180161752Abstract: A method is described for preparing a sorbent comprising the steps of: (i) mixing together a particulate copper sulphide material and a particulate calcined rehydratable alumina, (ii) shaping the mixture, and (iii) drying the shaped mixture to form a dried sorbent.Type: ApplicationFiled: May 5, 2016Publication date: June 14, 2018Inventors: Matthew James EVANS, Matthew David Gwydion LUNN, Martin Graham PARTRIDGE, Christopher John YOUNG
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Publication number: 20180161753Abstract: A method is described for preparing a sorbent comprising the steps of: (i) forming agglomerates comprising a particulate support material, (ii) coating the agglomerates with a coating mixture powder comprising a particulate copper sulphide and a particulate calcined, rehydratable alumina to form a coated agglomerate, and (iii) drying the coated agglomerate to form a dried sorbent.Type: ApplicationFiled: May 5, 2016Publication date: June 14, 2018Inventors: Matthew James EVANS, Matthew David Gwydion LUNN, Martin Graham PARTRIDGE, Christopher John YOUNG
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Patent number: 9919286Abstract: A method is described for preparing a sorbent including the steps of: (i) mixing together an inert particulate support material and one or more binders to form a support mixture, (ii) shaping the support mixture by granulation in a granulator to form agglomerates, (iii) coating the agglomerates with a coating mixture powder including a particulate copper sulphide and one or more binders to form a coated agglomerate, and (iv) drying the coated agglomerate to form a dried sorbent.Type: GrantFiled: December 4, 2014Date of Patent: March 20, 2018Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew James Evans, Matthew David Gwydion Lunn, Martin Graham Partridge, Christopher John Young
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Patent number: 9919285Abstract: A sorbent is described, suitable for removing heavy metals, particularly mercury, from fluid streams including 20-75% by weight of copper (expressed as copper (II) oxide) in the form of one or more copper sulphides, the sorbent having a sulphur to copper atomic ratio in the range 0.7 to 0.95:1.Type: GrantFiled: July 10, 2013Date of Patent: March 20, 2018Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Fish, Matthew David Gwydion Lunn
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Publication number: 20180071711Abstract: A method is described for preparing a sorbent comprising the steps of: (i) mixing together an inert particulate support material and one or more binders to form a support mixture, (ii) shaping the support mixture by granulation in a granulator to form agglomerates, (iii) coating the agglomerates with a coating mixture powder comprising a particulate copper sulphide and one or more binders to form a coated agglomerate, and (iv) drying the coated agglomerate to form a dried sorbent.Type: ApplicationFiled: November 15, 2017Publication date: March 15, 2018Inventors: Matthew James EVANS, Matthew David Gwydion LUNN, Martin Graham PARTRIDGE, Christopher John YOUNG
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Patent number: 9908084Abstract: A process for removing heavy metals from process fluids includes passing a heavy-metal-containing process fluid, including a reductant selected from hydrogen and carbon monoxide, at an inlet temperature ?125° C. over a sorbent including (i) 4-75% by weight of one or more sulphided copper compounds selected from sulphided basic copper carbonate, sulphided copper hydroxide, sulphided copper oxide or mixtures of these, (ii) optionally a support material, and (iii) a binder and the binder content of the sorbent is in the range 5-30% by weight, wherein essentially all of the sulphided copper is in the form of CuS and the total metal sulphide content of the sorbent, other than copper sulphide, is ?5% wt.Type: GrantFiled: July 10, 2013Date of Patent: March 6, 2018Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Fish, Andrea Lara Foster, Matthew David Gwydion Lunn, Rachel Mansfield
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Publication number: 20160288083Abstract: A method is described for preparing a sorbent including the steps of: (i) mixing together a particulate copper sulphide material, a particulate support material and one or more binders, (ii) shaping the mixture, and (iii) drying the shaped mixture to form a dried sorbent.Type: ApplicationFiled: December 4, 2014Publication date: October 6, 2016Inventors: Matthew James EVANS, Matthew David Gwydion LUNN, Martin Graham PARTRIDGE, Christopher John YOUNG
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Publication number: 20160279596Abstract: A method for preparing a sorbent precursor, which may be sulphided and used to remove heavy metals such as mercury from fluid streams, includes the steps of: (i) mixing together an inert particulate support material and one or more binders to form a support mixture, (ii) shaping the support mixture by granulation in a granulator to form agglomerates, (iii) coating the agglomerates with a coating mixture powder including a particulate copper compound and one or more binders to form a coated agglomerate, and (iv) drying the coated agglomerate to form a dried sorbent precursor.Type: ApplicationFiled: December 4, 2014Publication date: September 29, 2016Inventors: Matthew James EVANS, Paul Thomas FORAN, Matthew David Gwydion LUNN
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Publication number: 20160256850Abstract: A method is described for preparing a sorbent including the steps of: (i) mixing together an inert particulate support material and one or more binders to form a support mixture, (ii) shaping the support mixture by granulation in a granulator to form agglomerates, (iii) coating the agglomerates with a coating mixture powder including a particulate copper sulphide and one or more binders to form a coated agglomerate, and (iv) drying the coated agglomerate to form a dried sorbent.Type: ApplicationFiled: December 4, 2014Publication date: September 8, 2016Inventors: Matthew James Evans, Matthew David Gwydion Lunn, Martin Graham Partridge, Christopher John Young
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Publication number: 20150202591Abstract: A sorbent is described, suitable for removing heavy metals, particularly mercury, from fluid streams including 20-75% by weight of copper (expressed as copper (II) oxide) in the form of one or more copper sulphides, the sorbent having a sulphur to copper atomic ratio in the range 0.7 to 0.95:1.Type: ApplicationFiled: July 10, 2013Publication date: July 23, 2015Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Andrew Fish, Matthew David Gwydion Lunn
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Publication number: 20150182911Abstract: A process for removing heavy metals from process fluids includes passing a heavy-metal-containing process fluid, including a reductant selected from hydrogen and carbon monoxide, at an inlet temperature ?125° C. over a sorbent including (i) 4-75% by weight of one or more sulphided copper compounds selected from sulphided basic copper carbonate, sulphided copper hydroxide, sulphided copper oxide or mixtures of these, (ii) optionally a support material, and (iii) a binder and the binder content of the sorbent is in the range 5-30% by weight, wherein essentially all of the sulphided copper is in the form of CuS and the total metal sulphide content of the sorbent, other than copper sulphide, is ?5% wt.Type: ApplicationFiled: July 10, 2013Publication date: July 2, 2015Inventors: Andrew Fish, Andrea Lara Foster, Matthew David Gwydion Lunn, Rachel Mansfield