Patents by Inventor David G. Barton
David G. Barton 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: 20230265032Abstract: A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product.Type: ApplicationFiled: October 4, 2021Publication date: August 24, 2023Inventors: David W. Flaherty, David G. Barton, Xue Chen, Claudia Eugenia Berdugo-diaz, Jing Luo, Yangsik Yun
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Publication number: 20230173444Abstract: The present invention generally relates to processes for reducing the rate of pressure drop increase in a vessel used for hydrogenation of aldehydes to alcohols. In one embodiment, the process comprises replacing a first set of catalyst pellets with a second set of catalyst pellets, wherein the second set of catalyst pellets have a higher average aspect ratio than the first set of catalyst pellets, a different shape than the first set of catalyst pellets, or a combination thereof, and wherein a void fraction of the second set of catalyst pellets is greater than the void fraction of the first set of catalyst pellets, wherein a pressure drop rate increase of the vessel partially filled with the second set of catalyst pellets is less than a pressure drop rate increase of the vessel partially filled with the first set of catalyst pellets when operated under substantially similar conditions.Type: ApplicationFiled: June 2, 2021Publication date: June 8, 2023Inventors: Daniel Grohol, David G. Barton
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Publication number: 20220363908Abstract: The present invention is a composition comprising an aqueous dispersion of metal oxide pigment particles coated with an organosilane polymer comprising structural units of an alkyltrihydroxysilane or a salt thereof, a dialkyldihydroxysilane or a salt thereof, and an ancillary alkylsilane triol. The composition of the present invention provides hydrophobicity to pigment particles, thereby imparting water resistance, and allows for high loadings of pigment in water without increased viscosity. The dispersion is further useful for providing stain and corrosion resistance in coatings arising from paints.Type: ApplicationFiled: October 1, 2020Publication date: November 17, 2022Inventors: David G. Barton, James C. Bohling, Juan F. Callejas, Amrita Chakravarty, Alexander Katz, Manish K. Mishra, Clayton J. Radke, Antony K. Van Dyk
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Patent number: 10144693Abstract: Carboxylic acids are prepared by a one-step gas phase process comprising the step of contacting under halogen-free hydroxycarbonylation conditions an alkene, carbon monoxide, water, and a solid sulfide-containing catalyst.Type: GrantFiled: October 6, 2015Date of Patent: December 4, 2018Assignee: Dow Global Technologies LLCInventors: David G. Barton, Gerolamo Budroni, Steven L. F. Corthals
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Patent number: 9938226Abstract: Alkyl alkanoates, e.g., methyl propionate, are made by a gas phase process comprising the step of contacting under carbonylation conditions an alkene (e.g., ethylene), carbon monoxide, an alkanol (e.g., methanol), and a solid sulfide-based metal catalyst (e.g., iron sulfide). The alkyl alkanoate can be converted in a second step to an alkyl ester of an aliphatic carboxylic acid, e.g., methyl methacrylate, through condensation with an aldehyde, e.g., formaldehyde.Type: GrantFiled: September 11, 2014Date of Patent: April 10, 2018Assignee: Dow Global Technologies LLCInventors: David G. Barton, Gerolamo Budroni, Steven L. F. Corthals
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Publication number: 20170313642Abstract: Carboxylic acids are prepared by a one-step gas phase process comprising the step of contacting under halogen-free hydroxycarbonylation conditions an alkene, carbon monoxide, water, and a solid sulfide-containing catalyst.Type: ApplicationFiled: October 6, 2015Publication date: November 2, 2017Inventors: David G. Barton, Gerolamo Budroni, Steven L.F. Corthals
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Publication number: 20170015609Abstract: A catalyst support for manufacturing a mixture of alcohols from synthesis gas comprises a combination of nickel, molybdenum, at least one metal selected from the group consisting of palladium, ruthenium, chromium, gold, zirconium, and aluminum, and at least one of an alkali metal or alkaline earth series metal as a promoter. The catalyst may be used in a process for converting synthesis gas wherein the primary product is a mixture of ethanol (EtOH), propanol (PrOH), and butanol (BuOH), optionally in conjunction with higher alcohols.Type: ApplicationFiled: September 29, 2016Publication date: January 19, 2017Inventors: Dean M. Millar, Mark H. McAdon, Robert J. Gulotty, JR., David G. Barton, Daniela Ferrari, Billy Brian Bardin, Yu Liu
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Patent number: 9463445Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a halogenated rare earth element oxide catalyst, providing a reaction vessel having loaded therein a rare earth element oxide; halogenating the rare earth element oxide with a halogen source to form an activated catalyst; and dehydrating an aromatic alcohol compound over the activated catalyst to form the diaryl ether compound, where the halogenating and dehydrating steps occur in the same vessel. The rare earth element oxide is an oxide of a light rare earth element, an oxide of a medium rare earth element, an oxide of a heavy rare earth element, an oxide of yttrium, or a mixture of two or more thereof.Type: GrantFiled: March 13, 2014Date of Patent: October 11, 2016Assignee: Dow Global Technologies LLCInventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos, Adam S. Cieszlak
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Patent number: 9452420Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a medium rare earth element, wherein the medium rare earth element is samarium, europium, gadolinium, or mixtures thereof.Type: GrantFiled: August 21, 2013Date of Patent: September 27, 2016Assignee: Dow Global Technologies LLCInventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos
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Patent number: 9433742Abstract: A vaporizer filler includes a fill port. The fill port defines an open interior. The open interior is configured to receive the nozzle of an anesthetic bottle. An agent reservoir is configured to receive and store anesthetic agent. A valve is disposed between the open interior and the agent reservoir. At least one vent extends through the fill port. A method of filling a vaporizer includes inserting the nozzle of a bottle filled with anesthetic agent into a vaporizer filler. At least one vent is occluded from fluid communication. Fluid communication between and open interior and an agent reservoir is opened. Anesthetic agent is poured into an agent reservoir of a vaporizer. Fluid communication is closed between the open interior and the agent reservoir. At least one vent is opened to fluid communication with the open interior. Pressure within the open interior is released through the at least one vent.Type: GrantFiled: April 16, 2015Date of Patent: September 6, 2016Assignee: General Electric CompanyInventors: Russell C. Manzke, Thomas Bender, II, David G. Barton, Michael S. Morrissey, Robert Q. Tham
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Patent number: 9415375Abstract: Catalyst compositions for producing mixed alcohols from a synthesis gas feed. The catalyst composition comprises a catalytic metal combination on a catalyst support, a first optional promoter and a second optional promoter, where the catalytic metal combination consists essentially of iridium, vanadium, and molybdenum.Type: GrantFiled: March 30, 2011Date of Patent: August 16, 2016Assignee: Dow Global Technologies LLCInventors: Daniela Ferrari, Neelesh J. Rane, Adam Chojecki, Gerolamo Budroni, David G. Barton, Mark H. McAdon, Robert J. Gulotty, Jr., Dean M. Millar, Palanichamy Manikandan
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Publication number: 20160229788Abstract: Alkyl alkanoates, e.g., methyl propionate, are made by a gas phase process comprising the step of contacting under carbonylation conditions an alkene (e.g., ethylene), carbon monoxide, an alkanol (e.g., methanol), and a solid sulfide-based metal catalyst (e.g., iron sulfide). The alkyl alkanoate can be converted in a second step to an alkyl ester of an aliphatic carboxylic acid, e.g., methyl methacrylate, through condensation with an aldehyde, e.g., formaldehyde.Type: ApplicationFiled: September 11, 2014Publication date: August 11, 2016Inventors: David G. Barton, Gerolamo Budroni, Steven L.F. Corthals
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Publication number: 20160096792Abstract: Provided is a method for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a halogenated rare earth element oxide catalyst, wherein the used dehydration catalyst may be regenerated by a halogenation step. The rare earth element oxide is an oxide of a light rare earth element, an oxide of a medium rare earth element, an oxide of a heavy rare earth element, an oxide of yttrium, or a mixtures of two or more thereof.Type: ApplicationFiled: June 9, 2014Publication date: April 7, 2016Inventors: Paul R. Elowe, David G. Barton, Adam Chojecki, Beata A. Kilos, Dennis W. Jewell, Adam S. Cieszlak, Bruce D. Hook
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Publication number: 20150375214Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a halogenated rare earth element oxide catalyst, providing a reaction vessel having loaded therein a rare earth element oxide; halogenating the rare earth element oxide with a halogen source to form an activated catalyst; and dehydrating an aromatic alcohol compound over the activated catalyst to form the diaryl ether compound, where the halogenating and dehydrating steps occur in the same vessel. The rare earth element oxide is an oxide of a light rare earth element, an oxide of a medium rare earth element, an oxide of a heavy rare earth element, an oxide of yttrium, or a mixture of two or more thereof.Type: ApplicationFiled: March 13, 2014Publication date: December 31, 2015Inventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos, Adam S. Cieszlak
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Publication number: 20150299077Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a heavy rare earth element, wherein the heavy rare earth element is terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, or mixtures thereof.Type: ApplicationFiled: May 29, 2013Publication date: October 22, 2015Applicant: The Dow Chemical CompanyInventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos
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Patent number: 9150479Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a heavy rare earth element, wherein the heavy rare earth element is terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, or mixtures thereof.Type: GrantFiled: May 29, 2013Date of Patent: October 6, 2015Assignee: Dow Global Technologies LLCInventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos
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Publication number: 20150217080Abstract: A vaporizer filler includes a fill port. The fill port defines an open interior. The open interior is configured to receive the nozzle of an anesthetic bottle. An agent reservoir is configured to receive and store anesthetic agent. A valve is disposed between the open interior and the agent reservoir. At least one vent extends through the fill port. A method of filling a vaporizer includes inserting the nozzle of a bottle filled with anesthetic agent into a vaporizer filler. At least one vent is occluded from fluid communication. Fluid communication between and open interior and an agent reservoir is opened. Anesthetic agent is poured into an agent reservoir of a vaporizer. Fluid communication is closed between the open interior and the agent reservoir. At least one vent is opened to fluid communication with the open interior. Pressure within the open interior is released through the at least one vent.Type: ApplicationFiled: April 16, 2015Publication date: August 6, 2015Applicant: General Electric CompanyInventors: Russell C. Manzke, Thomas Bender, II, David G. Barton, Michael S. Morrissey, Robert Q. Tham
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Publication number: 20150190790Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a medium rare earth element, wherein the medium rare earth element is samarium, europium, gadolinium, or mixtures thereof.Type: ApplicationFiled: August 21, 2013Publication date: July 9, 2015Applicant: Dow Global Technologies LLCInventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos
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Publication number: 20150191638Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst comprises a mixture of two or more of (a) an oxide of a light rare earth element, (b) an oxide of a medium rare earth element, (c) an oxide of a heavy rare earth element, or (d) an oxide of yttrium.Type: ApplicationFiled: August 21, 2013Publication date: July 9, 2015Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos
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Patent number: 9061114Abstract: A vaporizer filler includes a fill port. The fill port defines an open interior. The open interior is configured to receive the nozzle of an anesthetic bottle. An agent reservoir is configured to receive and store anesthetic agent. A valve is disposed between the open interior and the agent reservoir. At least one vent extends through the fill port. A method of filling a vaporizer includes inserting the nozzle of a bottle filled with anesthetic agent into a vaporizer filler. At least one vent is occluded from fluid communication. Fluid communication between and open interior and an agent reservoir is opened. Anesthetic agent is poured into an agent reservoir of a vaporizer. Fluid communication is closed between the open interior and the agent reservoir. At least one vent is opened to fluid communication with the open interior. Pressure within the open interior is released through the at least one vent.Type: GrantFiled: November 23, 2011Date of Patent: June 23, 2015Assignee: General Electric CompanyInventors: Russell C. Manzke, Thomas Bender, II, David G. Barton, Michael S. Morrissey, Robert Q. Tham