Patents by Inventor William Weaver
William Weaver 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: 12195639Abstract: A composition suitable for coating a metallic substrate that is susceptible to corrosion is disclosed. The composition comprises a carrier medium, 2D material/graphitic platelets, and one or both of conductive carbon black particles and carbon nanotubes, in which the 2D material/graphitic platelets comprise nanoplates of one or more 2D materials and or nanoplates of one or more layered 2D materials and or graphite flakes in which the graphite flakes have one nanoscale dimension and 25 or less layers, the conductive carbon black particles have a mean particle size in the range of 1 nm to 1000 nm, and the carbon nanotubes are single or multiwalled.Type: GrantFiled: February 6, 2019Date of Patent: January 14, 2025Assignee: APPLIED GRAPHENE MATERIALS UK LIMITEDInventors: William Weaver, Matthew David Sharp, Gaven Johnson
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Patent number: 11820872Abstract: A method of manufacture of a composite moulding material (1100) comprising a fibrous layer (1102) and a graphene/graphitic dispersion (1104) applied to the fibrous layer (1102) at one or more localised regions (1106) over a surface (1108) of the fibrous layer(1102) in which the graphene/graphitic dispersion (1104) is comprised of graphene nanoplates, graphene oxide nanoplates, reduced graphene oxide nanoplates, bilayer graphene nanoplates, bilayer graphene oxide nanoplates, bilayer reduced graphene oxide nanoplates, few-layer graphene nanoplates, few-layer graphene oxide nanoplates, few-layer reduced graphene oxide nanoplates, graphene/graphite nanoplates of 6 to 14 layers of carbon atoms, graphite flakes with nanoscale dimensions and 40 or less layers of carbon atoms, graphite flakes with nanoscale dimensions and 25 to 30 layers of carbon atoms, graphite flakes with nanoscale dimensions and 25 to 35 layers of carbon atoms, graphite flakes with nanoscale dimensions and 20 to 35 layers of carbon atoms, or grapType: GrantFiled: May 9, 2018Date of Patent: November 21, 2023Assignee: Applied Graphene Materials UK LimitedInventors: Nigel Ashley Blatherwick, Matthew David Sharp, William Weaver
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Patent number: 11814543Abstract: A composition suitable for coating a metallic substrate that is susceptible to corrosion is disclosed. The composition comprises a carrier medium and graphene platelets in which the graphene platelets comprise between 0.002 wt % and 0.09 wt % of the coating, and the graphene platelets comprise one of or a mixture of two or more of graphene nanoplates, bilayer graphene nanoplates, few-layer graphene nanoplates, and/or graphite flakes in which the graphite flakes have one nanoscale dimension and 25 or less layers.Type: GrantFiled: February 6, 2019Date of Patent: November 14, 2023Assignee: APPLIED GRAPHENE MATERIALS UK LIMITEDInventors: William Weaver, Matthew David Sharp, Gaven Johnson
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Patent number: 11731376Abstract: A method of manufacture of an object 4 from a fibre and or fabric reinforced composite material 12 comprising at least a first layer of a proof coating 10, a first matrix, and one or more fibre and or fabric reinforcement materials, characterised in that the manufacture steps comprise a) creating a first layer of the proof coating 10, b) laying up a mixture of the fibre and or fabric reinforcement material and the composite matrix form a composite element 12, in which (i) step (a) is performed first with the first layer of the proof coating 10 being applied to a mould 2 or support, followed by step (b) with layup being performed on a surface of the first layer of the proof coating 10 of step (a); or (ii) step (b) is performed first with layup being performed on a mould 2 or support, followed by step (a) with the first layer of the proof coating 10 being applied to at least one surface of the composite element 12 of step (b) characterised in that the proof coating 10 is comprised of a second matrix having dispType: GrantFiled: April 9, 2019Date of Patent: August 22, 2023Assignee: APPLIED GRAPHENE MATERIALS UK LIMITEDInventors: William Weaver, Matthew David Sharp, Gaven Johnson, Antony Xavier Gallafent
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Patent number: 11618831Abstract: A waterborne protective coating system is disclosed that comprises at least one binder, water, and a dispersion of 2D material/graphitic nanoplatelets.Type: GrantFiled: July 8, 2020Date of Patent: April 4, 2023Inventors: William Weaver, Lynn Chikosha, Adam Austin Bell, Matthew David Sharp
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Publication number: 20230025139Abstract: A method of forming a liquid dispersion of 2D material/graphitic nanoplatelets in an aqueous solution is disclosed. The method comprises the steps of (1) creating a dispersing medium; (2) mixing the 2D material/graphitic nanoplatelets into the dispersing medium; and (3) subjecting the 2D material/graphitic nanoplatelets to sufficient shear forces and or crushing forces to reduce the particle size of the 2D material/graphitic nanoplatelets using a mechanical means. The liquid dispersion comprises the 2D material/graphitic nanoplatelets, at least one grinding media, water, and at least one wetting agent, and that the at least one grinding media is water soluble or functionalised to be water soluble.Type: ApplicationFiled: July 8, 2020Publication date: January 26, 2023Inventors: William Weaver, Lynn Chikosha, J PFlaumer, A Karimi, R Weddell
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Publication number: 20220289576Abstract: A method of forming a liquid dispersion of 2D material/graphitic nanoplatelets is disclosed. The method comprises the steps of (1) creating a dispersing medium; (2) mixing the 2D material/graphitic nanoplatelets into the dispersing medium; and (3) subjecting the 2D material/graphitic nanoplatelets to sufficient shear forces and or crushing forces to reduce the particle size of the 2D material/graphitic nanoplatelets. The liquid dispersion comprises the 2D material/graphitic nanoplatelets, at least one grinding media, and at least one non-aqueous solvent.Type: ApplicationFiled: July 8, 2020Publication date: September 15, 2022Inventors: William Weaver, Lynn Chikosha, J Pflaumer, S Appleyard, R Weddell
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Publication number: 20220251404Abstract: A waterborne protective coating system is disclosed that comprises at least one binder, water, and a dispersion of 2D material/graphitic nanoplatelets.Type: ApplicationFiled: July 8, 2020Publication date: August 11, 2022Inventors: William Weaver, Lynn Chikosha, A Bell, Matthew David Sharp
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Publication number: 20220119649Abstract: A tiecoat coating composition for use in a coating system for a metallic substrate comprising at least three coating layers is disclosed. The system has a primer coating layer which overlies the metallic substrate, a tiecoat coating layer which overlies the primer coating layer, and a finish coating layer which overlies the tiecoat coating layer. The primer coating layer is formed from a primer composition, the tiecoat coating layer is formed from a tiecoat composition, and the finish coating layer is formed from a finish composition. The primer composition comprises a primer carrier medium and a primer corrosion inhibitor in which the primer inhibitor has a galvanic cathodic mechanism. The finish composition is formulated to give a predetermined surface texture and appearance. The tiecoat composition comprises a tiecoat carrier medium and a tiecoat corrosion inhibitor. The tiecoat corrosion inhibitor has a barrier mechanism.Type: ApplicationFiled: February 6, 2020Publication date: April 21, 2022Inventors: Lynn Chikosha, Matthew David Sharp, Samuel Edward Whitehead, William Weaver
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Patent number: 11201070Abstract: A substrate processing system including a processing section arranged to hold a processing atmosphere therein, a carrier having a shell forming an internal volume for holding at least one substrate for transport to the processing section, the shell being configured to allow the internal volume to be pumped down to a predetermined vacuum pressure that is different than an exterior atmosphere outside the substrate processing system, and a load port communicably connected to the processing section to isolate the processing atmosphere from the exterior atmosphere, the load port being configured to couple with the carrier to pump down the internal volume of the carrier and to communicably connect the carrier to the processing section, for loading the substrate into the processing section through the load port.Type: GrantFiled: May 22, 2018Date of Patent: December 14, 2021Assignee: Brooks Automation, Inc.Inventors: Daniel Babbs, William Fosnight, Robert C. May, William Weaver
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Patent number: 11104809Abstract: The invention relates to a powder coating composition for low temperature curing that can be used on temperature sensitive substrates and, despite of the low curing temperature, has excellent flow properties and forms a coating with excellent appearance and nevertheless also good mechanical and weathering properties. The invention also relates to an advantageous process for the manufacture of the powder coating composition. Said powder coating composition comprises a poly-acid functional polyester component A, a poly-epoxy functional component B, a poly-anhydride functional component C and a thermosetting curing catalyst D. The invention also relates to a polyester for use in the powder coating compositions according to the invention, in particular for durable powder coatings.Type: GrantFiled: July 4, 2017Date of Patent: August 31, 2021Assignee: ALLNEX NETHERLANDS B.V.Inventors: William Weaver, Robert Watson, Richard Hendrikus Gerrit Brinkhuis, Martin Bosma, Paul Jones, Steve White, Dimitrios Baxevanis, Roberto Cavalieri
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Publication number: 20210162685Abstract: A method of manufacture of an object 4 from a fibre and or fabric reinforced composite material 12 comprising at least a first layer of a proof coating 10, a first matrix, and one or more fibre and or fabric reinforcement materials, characterised in that the manufacture steps comprise a) creating a first layer of the proof coating 10, b) laying up a mixture of the fibre and or fabric reinforcement material and the composite matrix form a composite element 12, in which (i) step (a) is performed first with the first layer of the proof coating 10 being applied to a mould 2 or support, followed by step (b) with layup being performed on a surface of the first layer of the proof coating 10 of step (a); or (ii) step (b) is performed first with layup being performed on a mould 2 or support, followed by step (a) with the first layer of the proof coating 10 being applied to at least one surface of the composite element 12 of step (b) characterised in that the proof coating 10 is comprised of a second matrix having dispType: ApplicationFiled: April 9, 2019Publication date: June 3, 2021Inventors: William Weaver, Matthew David Sharp, Gaven Johnson, Antony Xavier Gallafent
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Publication number: 20210079231Abstract: A composition comprising a carrier medium, a first corrosion inhibitor, and a second corrosion inhibitor having a barrier mechanism. The first corrosion inhibitor comprises at least one of an ion exchanged pigment, a silica, a calcium exchanged silica, an oxyaminophosphate salt of magnesium, and/or a mixture of an organic amine, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide, and the second corrosion inhibitor comprises one or more 2D material platelets in which the 2D material platelets comprise: nanoplates of one or more 2D materials and or nanoplates of one or more layered 2D materials and or graphite flakes in which the graphite flakes have one nanoscale dimension and 35 or less layers of atoms.Type: ApplicationFiled: April 9, 2019Publication date: March 18, 2021Inventors: William Weaver, Lynn Chikosha, Gaven Johnson, Matthew David Sharp
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Publication number: 20210040331Abstract: A composition suitable for coating a metallic substrate that is susceptible to corrosion is disclosed. The composition comprises a carrier medium and graphene platelets in which the graphene platelets comprise between 0.002 wt % and 0.Type: ApplicationFiled: February 6, 2019Publication date: February 11, 2021Inventors: William Weaver, Matthew David Sharp, Gaven Johnson
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Publication number: 20200362463Abstract: A composition suitable for coating a metallic substrate that is susceptible to corrosion is disclosed. The composition comprises a carrier medium, 2D material/graphitic platelets, and one or both of conductive carbon black particles and carbon nanotubes, in which the 2D material/graphitic platelets comprise nanoplates of one or more 2D materials and or nanoplates of one or more layered 2D materials and or graphite flakes in which the graphite flakes have one nanoscale dimension and 25 or less layers, the conductive carbon black particles have a mean particle size in the range of 1 nm to 1000 nm, and the carbon nanotubes are single or multiwalled.Type: ApplicationFiled: February 6, 2019Publication date: November 19, 2020Inventors: William Weaver, Matthew David Sharp, Gaven Johnson
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Publication number: 20200269522Abstract: A composite moulding material (10) comprising a fibrous layer (12) and a graphene/graphitic material (14) applied to the fibrous layer (12) at one or more localised regions (R1, R2, R3, R4) over a surface (16) of the fibrous layer (12) characterised in that the graphene/graphitic material (14) is comprised of graphene nanoplates, graphene oxide nanoplates, reduced graphene oxide nanoplates, bilayer graphene nanoplates, bilayer graphene oxide nanoplates, bilayer reduced graphene oxide nanoplates, few-layer graphene nanoplates, few-layer graphene oxide nanoplates, few-layer reduced graphene oxide nanoplates, graphene/graphitic nanoplates of 6 to 14 layers of carbon atoms, graphite flakes with nanoscale dimensions and 40 or less layers of carbon atoms, graphite flakes with nanoscale dimensions and 25 to 30 layers of carbon atoms, graphite flakes with nanoscale dimensions and 25 to 35 layers of carbon atoms, graphite flakes with nanoscale dimensions and 20 to 35 layers of carbon atoms, or graphite flakes with nanType: ApplicationFiled: May 9, 2018Publication date: August 27, 2020Inventors: Nigel Ashley BLATHERWICK, Matthew David SHARP, Kevin Andrew YEOMANS, William WEAVER
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Publication number: 20200123331Abstract: A method of manufacture of a composite moulding material (1100) comprising a fibrous layer (1102) and a graphene/graphitic dispersion (1104) applied to the fibrous layer (1102) at one or more localised regions (1106) over a surface (1108) of the fibrous layer(1102) in which the graphene/graphitic dispersion (1104) is comprised of graphene nanoplates, graphene oxide nanoplates, reduced graphene oxide nanoplates, bilayer graphene nanoplates, bilayer graphene oxide nanoplates, bilayer reduced graphene oxide nanoplates, few-layer graphene nanoplates, few-layer graphene oxide nanoplates, few-layer reduced graphene oxide nanoplates, graphene/graphite nanoplates of 6 to 14 layers of carbon atoms, graphite flakes with nanoscale dimensions and 40 or less layers of carbon atoms, graphite flakes with nanoscale dimensions and 25 to 30 layers of carbon atoms, graphite flakes with nanoscale dimensions and 25 to 35 layers of carbon atoms, graphite flakes with nanoscale dimensions and 20 to 35 layers of carbon atoms, or grapType: ApplicationFiled: May 9, 2018Publication date: April 23, 2020Inventors: Nigel Ashley BLATHERWICK, Matthew David SHARP, William WEAVER
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Publication number: 20190161625Abstract: The invention relates to a powder coating composition for low temperature curing that can be used on temperature sensitive substrates and, despite of the low curing temperature, has excellent flow properties and forms a coating with excellent appearance and nevertheless also good mechanical and weathering properties. The invention also relates to an advantageous process for the manufacture of the powder coating composition. Said powder coating composition comprises a poly-acid functional polyester component A, a poly-epoxy functional component B, a poly-anhydride functional component C and a thermosetting curing catalyst D. The invention also relates to a polyester for use in the powder coating compositions according to the invention, in particular for durable powder coatings.Type: ApplicationFiled: July 4, 2017Publication date: May 30, 2019Applicants: Allnex Netherlands B.V., ALLNEX Resins UK Limited, ALLNEX Italy srlInventors: William WEAVER, Robert WATSON, Richard Hendrikus Gerrit BRINKHUIS, Martin BOSMA, Paul JONES, Steve WHITE, Dimitrios BAXEVANIS, Roberto CAVALIERI
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Publication number: 20180269094Abstract: A substrate processing system including a processing section arranged to hold a processing atmosphere therein, a carrier having a shell forming an internal volume for holding at least one substrate for transport to the processing section, the shell being configured to allow the internal volume to be pumped down to a predetermined vacuum pressure that is different than an exterior atmosphere outside the substrate processing system, and a load port communicably connected to the processing section to isolate the processing atmosphere from the exterior atmosphere, the load port being configured to couple with the carrier to pump down the internal volume of the carrier and to communicably connect the carrier to the processing section, for loading the substrate into the processing section through the load port.Type: ApplicationFiled: May 22, 2018Publication date: September 20, 2018Inventors: Daniel Babbs, William Fosnight, Robert C. May, William Weaver
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Patent number: 9978623Abstract: A substrate processing system including a processing section arranged to hold a processing atmosphere therein, a carrier having a shell forming an internal volume for holding at least one substrate for transport to the processing section, the shell being configured to allow the internal volume to be pumped down to a predetermined vacuum pressure that is different than an exterior atmosphere outside the substrate processing system, and a load port communicably connected to the processing section to isolate the processing atmosphere from the exterior atmosphere, the load port being configured to couple with the carrier to pump down the internal volume of the carrier and to communicably connect the carrier to the processing section, for loading the substrate into the processing section through the load port.Type: GrantFiled: August 10, 2015Date of Patent: May 22, 2018Assignee: Brooks Automation, Inc.Inventors: Daniel Babbs, William Fosnight, Robert C. May, William Weaver