Patents by Inventor Peter James Dobson
Peter James Dobson 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: 10964236Abstract: A product (20) for use on a surface or as part of a surface, the product comprising: a first layer (22) which carries an indication; and a second layer (26) which overlies at least a portion of the first layer (22), the second layer (26) comprising a porous polymer; wherein the second layer (26) is opaque when dry such that the indication is masked and transparent when wet such that the indication is revealed.Type: GrantFiled: July 19, 2017Date of Patent: March 30, 2021Assignee: OXFORD UNIVERSITY INNOVATION LIMITEDInventors: Peter James Dobson, Leonard Pincher
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Patent number: 10765988Abstract: A gas conversion apparatus (100) for converting a process gas to one or more other gases comprises: means (105) for introducing process gas into a liquid medium in a column (125); and an ultrasonic energy generator (140) arranged to generate ultrasonic energy, the apparatus (100) being configured to launch ultrasonic energy generated by the generator (140) into the liquid medium such that process gas is exposed to ultrasonic energy, the apparatus (100) being arranged to allow collection of process gas that has been exposed to ultrasonic energy. The apparatus (100) also preferably comprises a microbubble generator (120) to generate microbubbles of the process gas for exposure to the ultrasonic energy. The ultrasonic energy generator (140) may be configured to generate ultrasonic energy as a consequence of a flow of a drive gas therethrough.Type: GrantFiled: October 14, 2014Date of Patent: September 8, 2020Assignee: Coldharbour Marine LimitedInventors: Mark Wells, Andrew Marshall, Peter James Dobson
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Publication number: 20190180657Abstract: A product (20) for use on a surface or as part of a surface, the product comprising: a first layer (22) which carries an indication; and a second layer (26) which overlies at least a portion of the first layer (22), the second layer (26) comprising a porous polymer; wherein the second layer (26) is opaque when dry such that the indication is masked and transparent when wet such that the indication is revealed.Type: ApplicationFiled: July 19, 2017Publication date: June 13, 2019Inventors: Peter James DOBSON, Leonard PINCHER
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Patent number: 10137149Abstract: The invention provides a particle comprising a metal oxide which is doped with at least one rare earth element, wherein the metal oxide is selected from titanium dioxide, zinc oxide, cerium oxide and mixtures of two or more thereof. The invention also provides a pharmaceutical composition comprising the particles, and to uses of the particles and composition in the treatment and diagnosis of cancer.Type: GrantFiled: December 8, 2010Date of Patent: November 27, 2018Assignee: Oxford University Innovation LimitedInventors: Peter James Dobson, Gareth Wakefield, Helen Elizabeth Townley
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Patent number: 8642019Abstract: A UV screening composition comprises particles which are capable of absorbing UV light so that electrons and positively charged holes are formed within the particles. The particles are adapted to minimize migration to the surface of the particles of the electrons and/or the positively charged holes when the particles are exposed to UV light in an aqueous environment.Type: GrantFiled: February 9, 2005Date of Patent: February 4, 2014Assignee: Isis Innovation LimitedInventors: John Sebastian Knowland, Peter James Dobson, Gareth Wakefield
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Publication number: 20120282185Abstract: The invention provides a particle comprising a metal oxide which is doped with at least one rare earth element, wherein the metal oxide is selected from titanium dioxide, zinc oxide, cerium oxide and mixtures of two or more thereof. The invention also provides a pharmaceutical composition comprising the particles, and to uses of the particles and composition in the treatment and diagnosis of cancer.Type: ApplicationFiled: December 8, 2010Publication date: November 8, 2012Applicant: ISIS INNOVATION LIMITEDInventors: Peter James Dobson, Gareth Wakefield, Helen Elizabeth Townley
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Publication number: 20100092384Abstract: Provided is a multifunctional particle comprising: (a) an inner metallic core, (b) a biocompatible shell comprising an optical contrast agent embedded therein, and (c) a targeting biomolecule conjugated to the biocompatible shell through a multidentate ligand, wherein the multidentate ligand is chelated to an imaging agent. Also provided are compositions comprising the multifunctional particle and methods of using the multifunctional particle, including a method of diagnostic imaging and a method of treatment.Type: ApplicationFiled: March 17, 2008Publication date: April 15, 2010Applicants: The jUnited States of America as represented by Secretary, Dept. of Health and Human Service, University of OxfordInventors: Ambika Bumb, Martin W. Brechbiel, Peter Choyke, Lars Fugger, Peter James Dobson
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Publication number: 20080116082Abstract: A process for producing a device comprising an electrochemical cell, said device comprising a strip having a receptacle or partial receptacle formed therein, a working electrode of the electrochemical cell being located in a wall of the receptacle or partial receptacle, wherein the process comprises the steps of—forming a laminate comprising a working electrode layer between two insulating layers; —creating a hole or well in the laminate, the hole or well passing through the working electrode layer; and optionally—attaching the laminate to a base, to form a receptacle; wherein said step of creating a hole or well comprises laser drilling the laminate.Type: ApplicationFiled: June 14, 2005Publication date: May 22, 2008Inventors: Mark Hyland, Kevin Lorimer, Peter James Dobson, Herbert Frank Askew
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Patent number: 6869596Abstract: A UV screening composition comprising particles which are capable of absorbing UV light so that electrons and positively charged holes are formed within the particles, characterised in that the particles are adapted to minimise migration to the surface of the particles of the electrons and/or the positively charged holes when said particles are exposed to UV light in an aqueous environment.Type: GrantFiled: May 27, 1999Date of Patent: March 22, 2005Assignee: ISIS Innovation LimitedInventors: John Sebastian Knowland, Peter James Dobson, Gareth Wakefield
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Patent number: 6783855Abstract: A process for preparing phosphor particles of a host oxide doped with a rare earth or manganese which comprises: preparing an aqueous solution of salts of the host ion and of the dopant ion and a water soluble compound which decomposes under the reaction conditions to convert said salts into hydroxycarbonate, heating the solution so as to cause said compound to decompose, recovering the resulting precipitate and calcining it at a temperature of at least 500° C. Substantially monocrystalline particles can be obtained by this process.Type: GrantFiled: September 14, 2001Date of Patent: August 31, 2004Assignee: ISIS Innovation LimitedInventors: Peter James Dobson, Gareth Wakefield
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Patent number: 6740214Abstract: There is disclosed a biosensor comprising a conducting surface, a layer of dielectric material overlying the conducting surface, a plurality of micro electrodes constituted by a plurality of pores extending through the thickness of said dielectric layer, a biopolymer positioned on the conducting surface in said pores, and a counter electrode arranged such that electrical connection can be made between it and at least part of said conducting surface by a fluid to be assessed. Such a device can be made using a method comprising the steps of providing a conducting surface; providing a layer of dielectric material adjacent to said conducting surface, said dielectric material comprising a plurality of pores extending through the thickness of the dielectric layer; providing a biopolymer on the conducting surface in said pores; and providing a counter electrode insulated from said conducting surface.Type: GrantFiled: March 12, 2001Date of Patent: May 25, 2004Assignee: ISIS Innovation LimitedInventors: Peter James Dobson, Peter Alexander Leigh, Yasue Nakagawa, Hugh Allen Oliver Hill
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Patent number: 6706210Abstract: Phosphor compositions are prepared by treating metal oxides or mixed-metal oxides with refractory metals to form cathodoluminescent phosphors stimulatable by electrons of very low energy. The phosphors comprise 90% to 100% of a mixed metal oxide Mx,TyOz (where M is a metal selected from Zn, Sn, In, Cu, and combinations thereof; T is a refractory metal selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and combinations thereof; and O is Oxygen, x, y, and z being chosen such that z is at most stoichiometric for MxTyOz) and 0% to 10% of a dopant comprising a substance selected from a rare earth element of the lanthanide series, Mn, Cr, and combinations thereof, or stoichiometrically excess Zn, Cu, Sn, or In. A blue-light-emitting phosphor based on ZnO treated with Ta2O5 or Ta to form Ta2Zn3O8 is characterized by CIE 1931 chromaticity values x and y, where x is between about 0.14 and 0.20 and y is between about 0.05 and 0.15.Type: GrantFiled: October 15, 2001Date of Patent: March 16, 2004Assignee: Isis Innovation LimitedInventors: Peter James Dobson, Garreth Wakefield
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Publication number: 20030168636Abstract: A process is disclosed for preparing phosphor particles of a doped host oxide which comprises: preparing an aqueous solution of salts of the host ion and of the dopant ion which is a rare earth, thorium, titanium, silicon, bismuth, copper, silver, tungsten or chromium and a water soluble compound, which decomposes under the reaction conditions to convert said salts into hydroxycarbonate, heating the solution so as to cause said compound to decompose, recovering the resulting precipitate and calcining it at a temperature of at least 500° C.Type: ApplicationFiled: April 29, 2003Publication date: September 11, 2003Inventors: Peter James Dobson, Gareth Wakefield
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Publication number: 20030138386Abstract: A UV screening composition comprising particles which are capable of absorbing UV light so that electrons and positively charged holes are formed within the particles, characterised in that the particles are adapted to minimise migration to the surface of the particles of the electrons and/or the positively charged holes when said particles are exposed to UV light in an aqueous environment.Type: ApplicationFiled: September 30, 2002Publication date: July 24, 2003Inventors: John Sebastian Knowland, Peter James Dobson, Gareth Wakefield
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Patent number: 6596194Abstract: Compounds having the formula Z2O3:Zx+ where Z is a rare earth metal and x is from 2 to 4, and nanoparticles thereof together with a process for their production and their uses are disclosed.Type: GrantFiled: November 27, 2000Date of Patent: July 22, 2003Assignee: Isis Innovation LimitedInventors: Peter James Dobson, Gareth Wakefield
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Patent number: 6265823Abstract: The light emitter is fabricated from a silicon substrate (2) that has a layer of porous silicon (3) on its upper surface. A hole transporter (4) is applied to the upper surface of the porous silicon (2) and penetrates the channels (3′) formed within the porous silicon. An upper semitransparent p-type material such as NiO is used as the upper contact (5) to the hole transporter and a further contact is formed on the base of the silicon wafer (2). The penetration of the hole transporter into the interstices between the silicon particles significantly improves the efficiency of the light emitter by up to two orders of magnitude. The light emitter is particularly suited to use in VLSI and display applications.Type: GrantFiled: July 14, 1998Date of Patent: July 24, 2001Assignee: Isis Innovation LimitedInventors: Peter James Dobson, Gareth Wakefield
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Patent number: 5965212Abstract: Metal quantum dots are produced from a solution of the metal salt when the solution is passed through an electrostatic capillary nozzle (3) into a chamber (7). The nozzle (3) produces an aerosol of droplets (4) of the solution which is then irradiated using laser light (8). The solution evaporates from the droplets to form quantum dots of the metal element on a substrate 5 in the chamber 7.Type: GrantFiled: January 27, 1998Date of Patent: October 12, 1999Assignee: Isis Innovation LimitedInventors: Peter James Dobson, Oleg Viktorovich Salata, Peter James Hull, John Laird Hutchison
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Patent number: 5906670Abstract: Quantum dots of a metal or metal compound are made by a method of providing a solution in an evaporable solvent at a predetermined concentration of a chosen metal and forming droplets of the solution of a substantially uniform predetermined size. The droplets are thereafter brought into contact with a gas phase reagent thereby forming the metal or metal compound quantum dots desired. The solvent may be removed before, during or after the contacting of the droplets with the gas phase reagent. The metal or metal compound quantum dots so formed are deposited on a substrate. The quantum dots may be contained within a polymer as a film. By control of the concentration of the solution and the size of the droplets the size of the quantum dots may be closely controlled.Type: GrantFiled: June 18, 1996Date of Patent: May 25, 1999Assignee: Isis Innovation LimitedInventors: Peter James Dobson, Oleg Viktorovich Salata, Peter James Hull, John Laird Hutchison