Patents by Inventor Dallas B. Noyes
Dallas B. Noyes 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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Publication number: 20170036913Abstract: A method of treating an offgas includes purifying the offgas to remove particulate matter, water, undesirable gaseous components and inert gases to produce a dried carbon oxide gas feedstock, and converting at least a portion of carbon oxides in the dried carbon oxide gas feedstock into solid carbon. In other embodiments, a method includes passing a dried carbon oxide gas feedstock through a multi-stage catalytic converter. A first stage is configured to catalyze methane-reforming reactions to convert methane into carbon dioxide, carbon monoxide and hydrogen with residual methane. A second stage is configured to catalyze the Bosch reaction and convert carbon oxides and hydrogen to solid carbon and water.Type: ApplicationFiled: October 20, 2016Publication date: February 9, 2017Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Patent number: 9556031Abstract: A method for production of various morphologies of solid carbon product by reducing carbon oxides with a reducing agent in the presence of a catalyst. The carbon oxides are typically either carbon monoxide or carbon dioxide. The reducing agent is typically either a hydrocarbon gas or hydrogen. The desired morphology of the solid carbon product may be controlled by the specific catalysts, reaction conditions, and optional additives used in the reduction reaction. The resulting solid carbon products have many commercial applications.Type: GrantFiled: January 24, 2014Date of Patent: January 31, 2017Assignee: Seerstone LLCInventor: Dallas B. Noyes
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Patent number: 9505620Abstract: Methods and systems are provided for forming carbon allotropes. An exemplary method includes treating a carbonaceous compound to form a feedstock that includes at least about 10 mol % oxygen, at least about 10 mol % carbon, and at least about 20 mol % hydrogen. Carbon allotropes are formed from the feedstock in a reactor in a Bosch reaction at a temperature of at least about 500° C. The carbon allotropes are separated from a reactor effluent stream.Type: GrantFiled: April 10, 2013Date of Patent: November 29, 2016Assignees: EXXONMOBIL UPSTREAM RESEARCH COMPANY, SOLID CARBON PRODUCTS, LLCInventors: Robert D. Denton, Dallas B. Noyes, Russell J. Koveal, Jr., Terry A. Ring
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Patent number: 9504998Abstract: A system and methods for forming carbon allotropes are described. The system includes a reactor configured to use a catalyst to form a carbon allotrope from a feed stock in a Bosch reaction. The catalyst includes a roughened metal surface.Type: GrantFiled: April 10, 2013Date of Patent: November 29, 2016Assignees: EXXONMOBIL UPSTREAM RESEARCH COMPANY, SOLID CARBON PRODUCTS, LLCInventors: Russell J. Koveal, Jr., Dallas B. Noyes, Terry A. Ring
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Patent number: 9475699Abstract: A method of treating an offgas includes purifying the offgas to remove particulate matter, water, undesirable gaseous components and inert gases to produce a dried carbon oxide gas feedstock, and converting at least a portion of carbon oxides in the dried carbon oxide gas feedstock into solid carbon. In other embodiments, a method includes passing a dried carbon oxide gas feedstock through a multi-stage catalytic converter. A first stage is configured to catalyze methane-reforming reactions to convert methane into carbon dioxide, carbon monoxide and hydrogen with residual methane. A second stage is configured to catalyze the Bosch reaction and convert carbon oxides and hydrogen to solid carbon and water.Type: GrantFiled: March 15, 2013Date of Patent: October 25, 2016Assignee: Seerstone LLC.Inventor: Dallas B. Noyes
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Publication number: 20160039677Abstract: An electrode includes a network of compressed interconnected nanostructured carbon particles such as carbon nanotubes. Some nanostructured carbon particles of the network are in electrical contact with adjacent nanostructured carbon particles. Electrodes may be used in various devices, such as capacitors, electric arc furnaces, batteries, etc. A method of producing an electrode includes confining a mass of nanostructured carbon particles and densifying the confined mass of nanostructured carbon particles to form a cohesive body with sufficient contacts between adjacent nanostructured carbon particles to provide an electrical path between at least two remote points of the cohesive body. The electrodes may be sintered to induce covalent bonding between the nanostructured carbon particles at contact points to further enhance the mechanical and electrical properties of the electrodes.Type: ApplicationFiled: March 12, 2014Publication date: February 11, 2016Applicant: SEERSTONE LLCInventor: Dallas B. Noyes
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Publication number: 20160030925Abstract: A method of forming a catalytic assembly comprises forming a support structure comprising at least one surface comprising at least one catalyst material. At least one mounted nanocatalyst is formed on the at least one support structure, the at least one mounted nanocatalyst comprising a nanoparticle of the at least one catalyst material bound to a nanostructure. A catalytic assembly and system for producing a catalytic assembly are also described.Type: ApplicationFiled: March 14, 2014Publication date: February 4, 2016Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20160031710Abstract: A method of reducing a gaseous carbon oxide includes reacting a carbon oxide with a gaseous reducing agent in the presence of an intermetallic or carbide catalyst. The reaction proceeds under conditions adapted to produce solid carbon of various allotropes and morphologies, the selective formation of which can be controlled by means of controlling reaction gas composition and reaction conditions including temperature and pressure. A method for utilizing an intermetallic or carbide catalyst in a reactor includes placing the catalyst in a suitable reactor and flowing reaction gases comprising a carbon oxide with at least one gaseous reducing agent through the reactor where, in the presence of the catalyst, at least a portion of the carbon in the carbon oxide is converted to solid carbon and a tail gas mixture containing water vapor.Type: ApplicationFiled: March 12, 2014Publication date: February 4, 2016Applicant: SEERSTONE LLCInventors: Dallas B. Noyes, Terry A. Ring
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Publication number: 20160030926Abstract: Methods of forming and producing nanocatalysts mounted on or within nanofiber or nanotube structures are disclosed. The mounting structures prevent the nanocatalysts from agglomerating and retain the nanocatalysts in a reactor. The nanocatalysts may be grown over a bulk catalyst material without treating the nanotubes after forming the nanotubes. The resulting nanocatalysts remain catalytically active immediately after formation of the mounting supports and are effective in a wide variety of reactions. Systems are disclosed for reacting reaction gases to form mounting structures with at least one embedded nanocatalyst in the growth tips. The mounting structures may catalyze a different, subsequent reaction than the nanofiber formation reaction, which may take place in the same or a different reactor. Methods of forming a mass of nanocatalysts and catalyzing a reaction with the mass of nanocatalysts are disclosed.Type: ApplicationFiled: March 13, 2014Publication date: February 4, 2016Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20160023902Abstract: An apparatus for producing solid carbon and water by reducing carbon oxides with a reducing agent in the presence of a catalyst includes a reactor configured to receive reaction gas comprising at least one carbon oxide, at least one reducing agent, and water. The apparatus includes at least one mixing means configured to mix the reagents to form a combined feed, a first heat exchanger configured to heat the combined feed, at least one heater configured to further heat the combined feed, and a reaction vessel configured to receive the combined feed. The reaction vessel is configured to contain a catalyst, to maintain predetermined reaction conditions of temperature and pressure, and has an output configured to deliver a tail gas to the first heat exchanger. The system also includes a product separator, a water separation unit, and a product packaging unit.Type: ApplicationFiled: March 13, 2014Publication date: January 28, 2016Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20160027934Abstract: An electrode includes a network of compressed interconnected nanostructured carbon particles such as carbon nanotubes. Some nanostructured carbon particles of the network are in electrical contact with adjacent nanostructured carbon particles. Electrodes may be used in various devices, such as capacitors, electric arc furnaces, batteries, etc. A method of producing an electrode includes confining a mass of nanostructured carbon particles and densifying the confined mass of nanostructured carbon particles to form a cohesive body with sufficient contacts between adjacent nanostructured carbon particles to provide an electrical path between at least two remote points of the cohesive body. The electrodes may be sintered to induce covalent bonding between the nanostructured carbon particles at contact points to further enhance the mechanical and electrical properties of the electrodes.Type: ApplicationFiled: March 12, 2014Publication date: January 28, 2016Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20160016862Abstract: A method of forming a hydrocarbon product comprises reacting at least one carbon oxide and at least one lower hydrocarbon in the presence of a plurality of catalyst-containing structures each comprising a nanofiber bound to at least one catalyst nanoparticle to form at least one higher hydrocarbon. Other methods of forming a hydrocarbon are also disclosed, as is a system forming a hydrocarbon product.Type: ApplicationFiled: March 12, 2014Publication date: January 21, 2016Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20160016794Abstract: A method for producing hydrogen, includes heating a process feed gas stream, flowing the process feed gas stream into a first reaction zone, flowing the intermediate gas stream into a second reaction zone, removing the solid carbon product from the second reaction zone, removing the tail gas stream from the second reaction zone, and removing hydrogen from the tail gas stream. The process gas stream includes methane and steam. The first reaction zone contains a first catalyst, and at least a portion of the process feed gas stream is converted into an intermediate gas stream in the first reaction zone. The second reaction zone contains a second catalyst, and at least a portion of the intermediate gas stream is converted into a tail gas stream and a solid carbon product in the second reaction zone.Type: ApplicationFiled: March 12, 2014Publication date: January 21, 2016Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20160016800Abstract: A reactor includes a vessel, a gas inlet, a solid outlet, a catalyst support configured to at least partially retain a catalyst material and allow a tail gas to pass therethrough, and a tail gas outlet. The gas inlet is in fluid communication with the solid outlet. A system for producing a solid product includes a reactor, a compressor, a heater, a make-up reactive gas inlet, and a solids discharge means for removing the solid product from the solid outlet of the reactor. Methods of forming solid products include providing a catalyst material in a vessel having a porous catalyst support, delivering a reactive gas to the vessel, reacting the reactive gas to form a solid product and a tail gas in the vessel, passing the tail gas through a portion of the catalyst material to separate the solid product from the tail gas, and removing the solid product.Type: ApplicationFiled: March 12, 2014Publication date: January 21, 2016Applicant: Seerstone LLCInventor: Dallas B. Noyes
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Patent number: 9221685Abstract: Methods of capturing or sequestering carbon include introducing a reaction gas stream to a catalytic converter to convert a portion of the carbon in the carbon oxide to solid carbon and a tail gas stream containing water vapor, removing the solid carbon from the catalytic converter for use, disposal, or storage, and recycling at least a portion of the tail gas stream to the catalytic converter. Methods may also include removing a portion of the water from the tail gas stream. The tail gas stream includes a portion of the initial process gas stream and at least a portion of water vapor produced in the catalytic converter. Methods may also include removing water vapor from various streams and reacting the carbon oxide with a reducing agent in the presence of a catalyst. Systems for capturing or sequestering carbon from a gaseous source containing carbon oxides are also described.Type: GrantFiled: March 15, 2013Date of Patent: December 29, 2015Assignee: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20150321918Abstract: A two-stage reaction process includes reacting gaseous carbon dioxide with a reducing agent to form carbon monoxide and water. At least a portion of the water is condensed to form a dry tail gas. The dry tail gas, with the possible addition of a reducing agent, reacts to convert at least a portion of the carbon monoxide to solid carbon and water. Other methods include reacting a feed gas mixture to form a reaction mixture, condensing water from the reaction mixture to form a dried reaction mixture, mixing the dried reaction mixture with a recirculating gas to form a catalytic converter feed gas mixture, flowing the catalytic converter feed gas mixture through a catalytic converter to form solid carbon and a tail gas mixture containing water, and flowing the tail gas mixture through a heat exchanger.Type: ApplicationFiled: July 22, 2015Publication date: November 12, 2015Inventor: Dallas B. Noyes
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Publication number: 20150291424Abstract: A reactor for producing a solid carbon material comprising at least one reaction chamber configured to produce a solid carbon material and water vapor through a reduction reaction between at least one carbon oxide and at least one gaseous reducing material in the presence of at least one catalyst material. Additional reactors, and related methods of producing a solid carbon material, and of forming a reactor for producing a solid carbon material are also described.Type: ApplicationFiled: November 26, 2013Publication date: October 15, 2015Inventor: Dallas B. Noyes
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Publication number: 20150225242Abstract: Methods of forming solid carbon products include disposing a plurality of nanotubes in a press, and applying heat to the plurality of carbon nanotubes to form the solid carbon product. Further processing may include sintering the solid carbon product to form a plurality of covalently bonded carbon nanotubes. The solid carbon product includes a plurality of voids between the carbon nanotubes having a median minimum dimension of less than about 100 nm. Some methods include compressing a material comprising carbon nanotubes, heating the compressed material in a non-reactive environment to form covalent bonds between adjacent carbon nanotubes to form a sintered solid carbon product, and cooling the sintered solid carbon product to a temperature at which carbon of the carbon nanotubes do not oxidize prior to removing the resulting solid carbon product for further processing, shipping, or use.Type: ApplicationFiled: July 9, 2013Publication date: August 13, 2015Inventor: Dallas B. Noyes
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Patent number: 9090472Abstract: A two-stage reaction process includes reacting gaseous carbon dioxide with a reducing agent to form carbon monoxide and water. At least a portion of the water is condensed to form a dry tail gas. The dry tail gas, with the possible addition of a reducing agent, reacts to convert at least a portion of the carbon monoxide to solid carbon and water. Other methods include reacting a feed gas mixture to form a reaction mixture, condensing water from the reaction mixture to form a dried reaction mixture, mixing the dried reaction mixture with a recirculating gas to form a catalytic converter feed gas mixture, flowing the catalytic converter feed gas mixture through a catalytic converter to form solid carbon and a tail gas mixture containing water, and flowing the tail gas mixture through a heat exchanger.Type: GrantFiled: March 15, 2013Date of Patent: July 28, 2015Assignee: Seerstone LLCInventor: Dallas B. Noyes
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Publication number: 20150147259Abstract: Methods of concurrently forming ammonia and solid carbon products include reacting a carbon oxide, nitrogen, and a reducing agent at preselected reaction conditions in the presence of a catalyst to form a solid carbon product entrained in a tail gas mixture comprising water and ammonia; separating entrained solid carbon product from the tail gas mixture; and recovering water and ammonia from the tail gas mixture. Systems for forming ammonia and solid carbon products from a gaseous source containing carbon oxides include mixing means for mixing the gaseous source with a reducing agent, reactor means for reacting at least a portion of the gaseous source with the reducing agent in the presence of a catalyst to produce the solid carbon products and a tail gas mixture comprising the ammonia, and solid separation means for separating the solid carbon products from the tail gas mixture.Type: ApplicationFiled: March 15, 2013Publication date: May 28, 2015Inventor: Dallas B. Noyes