By Electrolytic Oxidation Only Patents (Class 205/452)
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Patent number: 12203884Abstract: A flow-through electrochemical detection system determines if an analyte is present in a sample. This system contains, at a minimum, an assay reaction chamber that contains a porous working electrode to which analyte capturing molecules are bound. As a sample passes through the working electrode, any analyte present in the sample binds to the analyte capturing molecules. After the sample passes through the flow-through electrochemical detection system, analyte detectors are placed inside the assay reaction chamber and bind to any analyte present. The analyte detectors contain a means for generating an electric current when exposed to a chemical or an enzyme. A potentiostat connected to the working electrode measures that generated current, thereby detecting the presence and quantity of the analyte in that sample.Type: GrantFiled: November 13, 2019Date of Patent: January 21, 2025Assignee: The United States of America, as represented by The Secretary of AgricultureInventors: Joseph A. Capobianco, Jr., Andrew G. Gehring, Cheryl M. Armstrong, Joseph Lee
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Patent number: 9163316Abstract: A method for producing methanol from methane in which methane is provided to an anode electrode having a metal oxide catalyst disposed on an anode side of an electrolyte membrane, thereby producing methanol and electrons on the anode side. The electrons are conducted to a cathode electrode disposed on a cathode side of the electrolyte membrane, thereby transforming water provided to the cathode side to H2 gas and hydroxide ions. The method is carried out at a temperature less than or equal to about 160° C., preferably at room temperature.Type: GrantFiled: November 7, 2012Date of Patent: October 20, 2015Assignee: Gas Technology InstituteInventor: Qinbai Fan
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Patent number: 9051656Abstract: An aryl-alkyl (R—Ar) hydrocarbon is prepared by an electrosynthesis process in an electrolytic cell having an alkali ion conductive membrane positioned between an anolyte compartment configured with an anode and a catholyte compartment configured with a cathode. An anolyte solution containing an alkali metal salt of an alkyl carboxylic acid and an aryl compound is introduced into the anolyte compartment. The aryl compound may include an alkali metal salt of an aryl carboxylic acid, an arene (aromatic) hydrocarbon, or an aryl alkali metal adduct (Ar?M+). The anolyte solution undergoes electrolytic decarboxylation to form an alkyl radical. The alkyl radical reacts with the aryl compound to produce the aryl-alkyl hydrocarbon.Type: GrantFiled: April 22, 2011Date of Patent: June 9, 2015Assignee: CERAMATEC, INC.Inventors: Sai Bhavaraju, Mukund Karanjikar, Pallavi Chitta
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Patent number: 9005425Abstract: Methods, systems, and compounds for detecting modified nucleic acid bases are disclosed and described. The methods provide for detecting a nucleic acid lesion and can include directing a nucleic acid adduct into a channel, wherein the nucleic acid adduct includes a nucleic acid having a lesion and a current modulating compound coupled to the nucleic acid at the lesion (110), and measuring a change in current through the channel in response to the current modulating compound to detect the lesion (112). The method can optionally include forming the nucleic acid adduct. Also provided is a method for identifying the number of repeat nucleotides in at least a portion of a nucleic acid strand, a method of assigning a registration marker within a nucleic acid, and a method of obtaining sequence information from a nucleic acid comprising assigning a registration marker on the nucleic acid.Type: GrantFiled: September 7, 2011Date of Patent: April 14, 2015Assignee: University of Utah Research FoundationInventors: Cynthia J. Burrows, Henry S. White, Ryuji Kawano, Aaron M. Fleming, Na An
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Patent number: 8889920Abstract: The present invention relates to a process for preparing 4-isopropylcyclohexylmethanol (IPCHM) from para-cymene. The process for preparing 4-isopropylcyclohexylmethanol (IPCHM) comprises an electrochemical process for preparing a mixture of 4-isopropylbenzaldehyde dimethyl acetal and 4-(1-alkoxy-1-methylethyl)benzaldehyde dimethyl acetal, and intermediates passed through in the process, a hydrolysis step to form the corresponding benzaldehydes and a hydrogenation of this mixture to form 4-isopropylcyclohexylmethanol (IPCHM).Type: GrantFiled: February 11, 2011Date of Patent: November 18, 2014Assignee: BASF SEInventors: Florian Stecker, Ulrich Griesbach, Martin Bock, Lucia Königsmann
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Patent number: 8828216Abstract: Liquid phase processes for producing fuel in a reactor comprising the step of combining at least one oxidizable reactant with liquid water and at least one electrolyte to form a mixture and conducting a fuel-producing reaction in the presence of an electron transfer material, wherein the mixture permits the movement or transport of ions and electrons to facilitate the efficient production of the fuel. An alternative embodiment produces fuel in an electrochemical cell, the reaction characterized by an overall thermodynamic energy balance according to the half-cell reactions occurring at the anode and cathode. Energy generated and/or required by the system components is directed according to the thermodynamic requirements of the half-cell reactions, thereby realizing improved fuel production efficiency.Type: GrantFiled: June 23, 2006Date of Patent: September 9, 2014Assignee: GRDC, LLCInventor: Maureen A. Grimes
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Patent number: 8747645Abstract: The invention relates to a process for preparing unsymmetrical biaryl by anodic dehydrodimerization of substituted ortho-alkoxyaryl alcohols in the presence of partially fluorinated and/or perfluorinated mediators and a supporting electrolyte.Type: GrantFiled: June 1, 2010Date of Patent: June 10, 2014Assignee: BASF SEInventors: Florian Stecker, Andreas Fischer, Itamar Michael Malkowsky, Siegfried R. Waldvogel, Axel Kirste
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Patent number: 8747646Abstract: The invention relates to a process for preparing biaryls by anodic cross-dehydrodimerization of substituted phenols with arenes in the presence of partially fluorinated and/or perfluorinated mediators and a supporting electrolyte.Type: GrantFiled: June 1, 2010Date of Patent: June 10, 2014Assignee: BASF SEInventors: Andreas Fischer, Itamar Michael Malkowsky, Florian Stecker, Siegfried R. Waldvogel, Axel Kirste
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Publication number: 20140124381Abstract: A method for producing methanol from methane in which methane is provided to an anode electrode having a metal oxide catalyst disposed on an anode side of an electrolyte membrane, thereby producing methanol and electrons on the anode side. The electrons are conducted to a cathode electrode disposed on a cathode side of the electrolyte membrane, thereby transforming water provided to the cathode side to H2 gas and hydroxide ions. The method is carried out at a temperature less than or equal to about 160° C., preferably at room temperature.Type: ApplicationFiled: November 7, 2012Publication date: May 8, 2014Applicant: Gas Technology InstituteInventor: Qinbai FAN
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Publication number: 20140034506Abstract: Methods and systems for electrochemically generating an oxidation product and a reduction product may include one or more operations including, but not limited to: receiving a feed of at least one organic compound into an anolyte region of an electrochemical cell including an anode; at least partially oxidizing the at least one organic compound at the anode to generate at least carbon dioxide; receiving a feed including carbon dioxide into a catholyte region of the electrochemical cell including a cathode; and at least partially reducing carbon dioxide to generate a reduction product at the cathode.Type: ApplicationFiled: September 25, 2013Publication date: February 6, 2014Applicant: Liquid Light, Inc.Inventors: Kyle Teamey, Jerry J. Kaczur, Narayanappa Sivasankar, Paul Majsztrik, Emily Barton Cole, Andrew B. Bocarsly
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Patent number: 8409419Abstract: The invention provides methods of forming lower alkyls and alcohols from carbon sources thermally and/or electrolytically.Type: GrantFiled: May 18, 2009Date of Patent: April 2, 2013Inventor: Paul R. Kruesi
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Patent number: 8277631Abstract: Devices and methods are described for converting a carbon source and a hydrogen source into hydrocarbons, such as alcohols, for alternative energy sources. The influents may comprise carbon dioxide gas and hydrogen gas or water, obtainable from the atmosphere for through methods described herein, such as plasma generation or electrolysis. One method to produce hydrocarbons comprises the use of an electrolytic device, comprising an anode, a cathode and an electrolyte. Another method comprises the use of ultrasonic energy to drive the reaction. The devices and methods and related devices and methods are useful, for example, to provide a fossil fuel alternative energy source, store renewable energy, sequester carbon dioxide from the atmosphere, counteract global warming, and store carbon dioxide in a liquid fuel.Type: GrantFiled: May 5, 2008Date of Patent: October 2, 2012Assignee: Principle Energy Solutions, Inc.Inventors: Craig D. Eastman, Douglas R. Hole
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Publication number: 20120164699Abstract: Methods for extracting bisphenols from polymer substrates are described. The methods include contacting the polymer substrate with an aqueous composition which includes a phase transfer agent, a base and optionally an oxidant, whereby the bisphenol is extracted into the aqueous composition. Suitable phase transfer agents are delineated. Also described are compositions which can be used in the present methods.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Inventor: Kraig Anderson
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Publication number: 20110315560Abstract: A process for producing one or more chemical compounds comprising the steps of providing a bioelectrochemical system having an anode and a cathode separated by a membrane, the anode and the cathode being electrically connected to each other, causing oxidation to occur at the anode and causing reduction to occur at the cathode to thereby produce reducing equivalents at the cathode, providing the reducing equivalents to a culture of microorganisms, and providing carbon dioxide to the culture of microorganisms, whereby the microorganisms produce the one or more chemical compounds, and recovering the one or chemical compounds.Type: ApplicationFiled: December 17, 2009Publication date: December 29, 2011Applicant: THE UNIVERSITY OF QUEENSLANDInventors: Korneel P.H.L.A. Rabaey, Rene A. Rozendal
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Patent number: 8075758Abstract: Alkali alcoholates, also called alkali alkoxides, are produced from alkali metal salt solutions and alcohol using a three-compartment electrolytic cell. The electrolytic cell includes an anolyte compartment configured with an anode, a buffer compartment, and a catholyte compartment configured with a cathode. An alkali ion conducting solid electrolyte configured to selectively transport alkali ions is positioned between the anolyte compartment and the buffer compartment. An alkali ion permeable separator is positioned between the buffer compartment and the catholyte compartment. The catholyte solution may include an alkali alcoholate and alcohol. The anolyte solution may include at least one alkali salt. The buffer compartment solution may include a soluble alkali salt and an alkali alcoholate in alcohol.Type: GrantFiled: December 14, 2006Date of Patent: December 13, 2011Assignee: Ceramatec, Inc.Inventors: Ashok V. Joshi, Shekar Balagopal, Justin Pendelton
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Publication number: 20110207968Abstract: The present invention relates to a process for preparing 4-isopropylcyclohexylmethanol (IPCHM) from para-cymene. The process for preparing 4-isopropylcyclohexylmethanol (IPCHM) comprises an electrochemical process for preparing a mixture of 4-isopropylbenzaldehyde dimethyl acetal and 4-(1-alkoxy-1-methylethyl)benzaldehyde dimethyl acetal, and intermediates passed through in the process, a hydrolysis step to form the corresponding benzaldehydes and a hydrogenation of this mixture to form 4-isopropylcyclohexylmethanol (IPCHM).Type: ApplicationFiled: February 11, 2011Publication date: August 25, 2011Applicant: BASF SEInventors: Florian Stecker, Ulrich Griesbach, Martin Bock, Lucia Königsmann
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Patent number: 7959784Abstract: Disclosed are processes of making solutions of metal alcoholates in their corresponding alcohols using an electrolytic process. In one embodiment, sodium methylate in methanol is made from methanol and sodium hydroxide solution. The sodium hydroxide solution is placed in the anolyte compartment and the methanol is placed in the catholyte compartment, and the two compartments are separated by a ceramic membrane that selectively transports sodium under the influence of current. In preferred embodiments, the process is cost-effective and not environmentally harmful.Type: GrantFiled: March 31, 2006Date of Patent: June 14, 2011Assignee: Ceramatec, Inc.Inventors: Shekar Balagopal, Vinod K. Malhotra
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Patent number: 7955489Abstract: Methods for the production of erythrose and/or erythritol are provided herein. Preferably, the methods include the step of electrolytic decarboxylation of a ribonic acid or arabinonic acid reactant to produce erythrose. Optionally, the reactant can be obtained from a suitable hexose sugar, such as allose, altrose, glucose, fructose or mannose. The erythrose product can be hydrogenated to produce erythritol.Type: GrantFiled: July 7, 2006Date of Patent: June 7, 2011Assignee: Dynamic Food Ingredients CorporationInventors: Jonathan A. Stapley, J. David Genders, Daniel M. Atherton, Peter M. Kendall
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Patent number: 7918986Abstract: Disclosed are processes of making solutions of metal alcoholates in their corresponding alcohols using an electrolytic process. In a preferred embodiment, sodium methylate in methanol is made from methanol and sodium hydroxide solution. The sodium hydroxide solution is placed in the anolyte compartment and the methanol is placed in the catholyte compartment, and the two compartments are separated by a ceramic membrane that selectively transports sodium under the influence of current. In preferred embodiments, the process is cost-effective and not environmentally harmful.Type: GrantFiled: December 13, 2004Date of Patent: April 5, 2011Assignee: Ceramatec, Inc.Inventors: Shekar Balagopal, Vinod K. Malhotra
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Publication number: 20100276298Abstract: The invention provides methods of forming lower alkyls and alcohols from carbon sources thermally and/or electrolytically.Type: ApplicationFiled: May 18, 2009Publication date: November 4, 2010Applicant: CATO RESEARCH CORPORATIONInventor: Paul R. Kruesi
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Patent number: 7824536Abstract: Disclosed are processes of making solutions of alkali alkoxides in their corresponding alcohols using an electrolytic process. In one embodiment, sodium methoxide in methanol is made from methanol and aqueous sodium hydroxide solution, where the aqueous sodium hydroxide solution is present in the anolyte compartment and a solution of sodium methoxide in methanol is present in the catholyte compartment, the two compartments are separated by a ceramic membrane that selectively transports sodium ions under the influence of an electric potential, and wherein the composition of the solution of sodium methoxide in methanol in the catholyte compartment of the electrolytic cell comprises between at least about 2% by weight sodium methoxide and at most about 20% by weight sodium methoxide.Type: GrantFiled: June 9, 2006Date of Patent: November 2, 2010Assignee: Ceramatec, Inc.Inventors: Shekar Balagopal, Justin Pendleton, Robin Richards
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Publication number: 20090277799Abstract: Liquid phase processes for producing fuel in a reactor comprising the step of combining at least one oxidizable reactant with liquid water and at least one electrolyte to form a mixture and conducting a fuel-producing reaction in the presence of an electron transfer material, wherein the mixture permits the movement or transport of ions and electrons to facilitate the efficient production of the fuel. An alternative embodiment produces fuel in an electrochemical cell, the reaction characterized by an overall thermodynamic energy balance according to the half-cell reactions occurring at the anode and cathode. Energy generated and/or required by the system components is directed according to the thermodynamic requirements of the half-cell reactions, thereby realizing improved fuel production efficiency.Type: ApplicationFiled: June 23, 2006Publication date: November 12, 2009Applicant: GRDC, LLCInventors: Patrick G. Grimes, Maureen A. Grimes
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Patent number: 7425252Abstract: An analysis system for and method of enabling determination of the velocities of migrating objects, the system comprising an equiphase space-time map generator for generating an equiphase space-time map of equiphase points from each of a plurality of data sets representative of the signals detected at a plurality of spaced positions, with the velocities of the objects being determinable by fitting the sets of equiphase points in the space-time map corresponding to the respective objects.Type: GrantFiled: July 20, 2001Date of Patent: September 16, 2008Assignee: Deltadot LtdInventor: Dimitrios Sideris
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Patent number: 7425251Abstract: A system and method of characterizing, in particular sequencing, polymeric samples, the system comprising: a space-time map generator for generating a space-time map of points representative of the signal peaks of signals detected at a plurality of spaced positions as passed by the migrating components of a plurality of separately-provided sample plugs; and a vertex finder for identifying vertices from the space-time map, with a single vertex being identified for the components of each separately-provided sample plug and the velocities of the sample components being determinable from the points in the space-time map.Type: GrantFiled: July 20, 2001Date of Patent: September 16, 2008Assignee: Deltadot LtdInventor: Dimitrios Sideris
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Patent number: 7087148Abstract: The invention relates to compositions and methods useful in the acceleration of binding of target analytes to capture ligands on surfaces. Detection proceeds through the use of an electron transfer moiety (ETM) that is associated with the target analyte, either directly or indirectly, to allow electronic detection of the ETM.Type: GrantFiled: November 13, 2000Date of Patent: August 8, 2006Assignee: Clinical Micro Sensors, Inc.Inventors: Gary Blackburn, Jost G. Vielmetter, Jon Faiz Kayyem
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Patent number: 6827836Abstract: Direct bromination of hydroxy aromatic compounds by electrolysis of mixtures comprising the hydroxy aromatic compound, a source of bromide ion, and an organic solvent provides product brominated hydroxy aromatic compounds at synthetically useful rates with high para-selectivity. The process does not require the use or handling of molecular bromine or bromine complexes and allows the full use of the bromide source without generating hydrogen bromide as a by-product of the reaction. The simple electrochemical equipment required by the present process, for example an undivided electrochemical cell, makes the process less capital intensive than analogous electrochemical processes carried out in divided cells. The use of hydrobromic acid as the source of bromide ion provides clean reaction with nearly exclusive formation of the target brominated product.Type: GrantFiled: December 2, 2002Date of Patent: December 7, 2004Assignee: General Electric CompanyInventor: Grigorii Lev Soloveichik
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Patent number: 6776894Abstract: A method for producing compounds which are oxidized in an alpha position by electrochemical reaction with alcohol in the presence of an auxiliary electrolyte and catalytic amounts of a metal salt.Type: GrantFiled: January 31, 2002Date of Patent: August 17, 2004Assignee: BASF AktiengesellschaftInventors: Hermann Pütter, Kerstin Schierle-Arndt, Jörg Botzem
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Patent number: 6736955Abstract: A process for the production of methanol comprises subjecting a hydrocarbon feedstock partial oxidation and an optional reformer to produce a partial oxidation reactor effluent comprising hydrogen, carbon monoxide and carbon dioxide; adding an amount of a hydrogen feedstock, at least a portion of which is obtained from electrolyzing water, to the partial oxidation reactor effluent to produce a synthesis gas stream having a predetermined ratio of hydrogen to carbon monoxide and optionally to carbon dioxide; subjecting the synthesis gas to methanol synthesis to produce a methanol product stream; and, recycling a substantial portion of the methanol product stream to the partial oxidation reactor.Type: GrantFiled: November 2, 2001Date of Patent: May 18, 2004Assignee: Technology Convergence Inc.Inventor: John M. Shaw
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Publication number: 20030106805Abstract: The present invention is directed to a method for the electrochemical production of alkali alcoholates and to an electrolytic cell that can be used for this purpose. In particular, the invention is concerned with a method of production in which aqueous saline solutions are used on the anode side. A main characteristic of the electrolytic cell is that the anode compartment and the cathode compartment are separated by an anolyte-stable and catholyte-stable solid electrolyte.Type: ApplicationFiled: October 29, 2002Publication date: June 12, 2003Applicant: Degussa AGInventor: Michael Horn
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Patent number: 6306280Abstract: An electroenzymatic reactor comprises a reaction vessel having a working electrode compartment. Within the working electrode compartment is a reactor solution containing a redox enzyme, a redox carrier, and an oxidizable or reducible substrate. Also within the working electrode compartment is a reference electrode and a metal oxide working electrode capable of being held close to the redox potential of the redox carrier. A counter electrode is provided outside the working electrode compartment. Necessary molecular oxygen or hydrogen is supplied to the reaction by water electrolysis at the counter electrode. Hydrogen peroxide that is generated at the working electrode or counter electrode is decomposed by a screen situated near the hydrogen-peroxide generating electrode.Type: GrantFiled: May 3, 2000Date of Patent: October 23, 2001Assignee: The United States of America as represented by the Secretary of CommerceInventors: Vytautas P. Reipa, Vincent L. Vilker
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Publication number: 20010019020Abstract: One embodiment of the present invention provides a process, which includes:Type: ApplicationFiled: December 22, 2000Publication date: September 6, 2001Applicant: BASF AKTIENGESELLSCHAFTInventors: Claudia Merk, Gunther Huber