Patents by Inventor Narayanappa Sivasankar
Narayanappa Sivasankar 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: 10119196Abstract: A method for electrochemical production of synthesis gas from carbon dioxide is disclosed. The method generally includes steps (A) to (C). Step (A) may bubble the carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into a plurality of components. Step (B) may establish a molar ratio of the components in the synthesis gas by adjusting at least one of (i) a cathode material and (ii) a surface morphology of the cathode. Step (C) may separate the synthesis gas from the solution.Type: GrantFiled: April 16, 2014Date of Patent: November 6, 2018Assignee: Avantium Knowledge Centre B.V.Inventors: Narayanappa Sivasankar, Emily Barton Cole, Kyle Teamey
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Patent number: 9873951Abstract: The present disclosure the present disclosure is directed to an electrochemical cell including an exterior pressure vessel, the exterior pressure vessel including a cylindrical body, a first end removably fastened to the cylindrical body to cover a first opening of the cylindrical body and a second end removably fastened to the cylindrical body to cover a second opening of the cylindrical body. The electrochemical cell may further include high surface area electrodes which may be configured to operate at high pressures, such as in the range of 2 to 100 atmospheres or more.Type: GrantFiled: September 16, 2013Date of Patent: January 23, 2018Assignee: Avantium Knowledge Centre B.V.Inventors: Jerry J. Kaczur, Narayanappa Sivasankar, Emily Barton Cole
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Patent number: 9309599Abstract: Methods and systems for heterocycle catalyzed carbonylation and hydroformylation with carbon dioxide are disclosed. A method may include, but is not limited to, steps (A) to (D). Step (A) may introduce water to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce carbon dioxide to a second compartment of the electrochemical cell. The second compartment may include a solution of an electrolyte, a heterocyclic catalyst, and a cathode. Step (C) may introduce a second reactant to the second compartment of the electrochemical cell. Step (D) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to induce liquid phase carbonylation or hydroformylation to form a product mixture.Type: GrantFiled: September 19, 2013Date of Patent: April 12, 2016Assignee: Liquid Light, Inc.Inventors: Narayanappa Sivasankar, Emily Barton Cole, Kyle Teamey
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Patent number: 9267212Abstract: The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of CO2 to oxalate and oxalic acid. The method and system for production of oxalic acid and oxalic acid reduction products may further include the acidification of oxalate to oxalic acid, the purification of oxalic acid and the hydrogenation of oxalic acid to produce oxalic acid reduction products.Type: GrantFiled: March 20, 2014Date of Patent: February 23, 2016Assignee: Liquid Light, Inc.Inventors: Zbigniew Twardowski, Emily Barton Cole, Jerry J. Kaczur, Kyle Teamey, Kate A. Keets, Rishi Parajuli, Alexander Bauer, Narayanappa Sivasankar, George Leonard, Theodore J. Kramer, Paul Majsztrik, Yizu Zhu
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Patent number: 9222179Abstract: A method for purification of carbon dioxide from a mixture of gases is disclosed. The method generally includes steps (A) and (B). Step (A) may bubble the gases into a solution of an electrolyte and a catalyst in an electrochemical cell. The electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into one or more compounds. The anode may oxidize at least one of the compounds into the carbon dioxide. Step (B) may separate the carbon dioxide from the solution.Type: GrantFiled: June 21, 2013Date of Patent: December 29, 2015Assignee: Liquid Light, Inc.Inventors: Kyle Teamey, Emily Barton Cole, Narayanappa Sivasankar, Andrew B. Bocarsly
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Publication number: 20150337444Abstract: Methods and systems for electrochemical production of butanol are disclosed. A method may include, but is not limited to, steps (A) to (D). Step (A) may introduce water to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce carbon dioxide to a second compartment of the electrochemical cell. The second compartment may include a solution of an electrolyte, a catalyst, and a cathode. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient for the cathode to reduce the carbon dioxide to a product mixture. Step (D) may separate butanol from the product mixture.Type: ApplicationFiled: February 23, 2015Publication date: November 26, 2015Inventors: Emily Barton Cole, Kyle Teamey, Andrew B. Bocarsly, Narayanappa Sivasankar
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Patent number: 9175409Abstract: Disclosed is a system and method for reducing carbon dioxide into a carbon based product. The system includes an electrochemical cell having a cathode region which includes a cathode and a non-aqueous catholyte; an anode region having an anode and an aqueous or gaseous anolyte; and an ion permeable zone disposed between the anode region and the cathode region. The ion permeable zone is at least one of (i) the interface between the anolyte and the catholyte, (ii) an ion selective membrane; (iii) at least one liquid layer formed of an emulsion or (iv) a hydrophobic or glass fiber separator. The system and method includes a source of energy, whereby applying the source of energy across the anode and cathode reduces the carbon dioxide and produces an oxidation product.Type: GrantFiled: December 5, 2013Date of Patent: November 3, 2015Assignee: Liquid Light, Inc.Inventors: Narayanappa Sivasankar, Jerry J. Kaczur, Emily Barton Cole
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Publication number: 20150267309Abstract: The present disclosure the present disclosure is directed to an electrochemical cell including an exterior pressure vessel, the exterior pressure vessel including a cylindrical body, a first end removably fastened to the cylindrical body to cover a first opening of the cylindrical body and a second end removably fastened to the cylindrical body to cover a second opening of the cylindrical body. The electrochemical cell may further include high surface area electrodes which may be configured to operate at high pressures, such as in the range of 2 to 100 atmospheres or more.Type: ApplicationFiled: September 16, 2013Publication date: September 24, 2015Inventors: Jerry J. Kaczur, Narayanappa Sivasankar, Emily Barton Cole
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Patent number: 8961774Abstract: Methods and systems for electrochemical production of butanol are disclosed. A method may include, but is not limited to, steps (A) to (D). Step (A) may introduce water to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce carbon dioxide to a second compartment of the electrochemical cell. The second compartment may include a solution of an electrolyte, a catalyst, and a cathode. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient for the cathode to reduce the carbon dioxide to a product mixture. Step (D) may separate butanol from the product mixture.Type: GrantFiled: November 30, 2011Date of Patent: February 24, 2015Assignee: Liquid Light, Inc.Inventors: Emily Barton Cole, Kyle Teamey, Andrew B. Bocarsly, Narayanappa Sivasankar
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Publication number: 20140367274Abstract: The present disclosure is a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include the step of contacting the first region of the electrochemical cell with a catholyte comprising an alcohol and carbon dioxide. Another step of the method may include contacting the second region of the electrochemical cell with an anolyte comprising the alcohol. Further, the method may include a step of applying an electrical potential between the anode and the cathode sufficient to produce a first product recoverable from the first region and a second product recoverable from the second region.Type: ApplicationFiled: August 27, 2014Publication date: December 18, 2014Inventors: Kyle Teamey, Jerry Kaczur, Emily Barton Cole, Paul Majsztrik, Narayanappa Sivasankar, Andrew B. Bocarsly
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Patent number: 8845878Abstract: A method reducing carbon dioxide to one or more products may include steps (A) to (C). Step (A) may bubble said carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode may reduce said carbon dioxide into said products. Step (B) may adjust one or more of (a) a cathode material, (b) a surface morphology of said cathode, (c) said electrolyte, (d) a manner in which said carbon dioxide is bubbled, (e), a pH level of said solution, and (f) an electrical potential of said divided electrochemical cell, to vary at least one of (i) which of said products is produced and (ii) a faradaic yield of said products. Step (C) may separate said products from said solution.Type: GrantFiled: March 6, 2013Date of Patent: September 30, 2014Assignee: Liquid Light, Inc.Inventors: Emily Barton Cole, Narayanappa Sivasankar, Rishi Parajuli, Kate A. Keets
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Patent number: 8845875Abstract: The present disclosure is a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include the step of contacting the first region of the electrochemical cell with a catholyte comprising an alcohol and carbon dioxide. Another step of the method may include contacting the second region of the electrochemical cell with an anolyte comprising the alcohol. Further, the method may include a step of applying an electrical potential between the anode and the cathode sufficient to produce a first product recoverable from the first region and a second product recoverable from the second region.Type: GrantFiled: December 21, 2012Date of Patent: September 30, 2014Assignee: Liquid Light, Inc.Inventors: Kyle Teamey, Jerry J. Kaczur, Emily Barton Cole, Paul Majsztrik, Narayanappa Sivasankar, Andrew B. Bocarsly
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Patent number: 8821709Abstract: 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: GrantFiled: December 21, 2012Date of Patent: September 2, 2014Assignee: Liquid Light, Inc.Inventors: Kyle Teamey, Jerry J. Kaczur, Narayanappa Sivasankar, Paul Majsztrik, Emily Barton Cole, Andrew B. Bocarsly
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Publication number: 20140238871Abstract: A method for electrochemical production of synthesis gas from carbon dioxide is disclosed. The method generally includes steps (A) to (C). Step (A) may bubble the carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into a plurality of components. Step (B) may establish a molar ratio of the components in the synthesis gas by adjusting at least one of (i) a cathode material and (ii) a surface morphology of the cathode. Step (C) may separate the synthesis gas from the solution.Type: ApplicationFiled: April 16, 2014Publication date: August 28, 2014Applicant: Liquid Light, Inc.Inventors: Narayanappa Sivasankar, Emily Barton Cole, Kyle Teamey
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Publication number: 20140206895Abstract: The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of CO2 to oxalate and oxalic acid. The method and system for production of oxalic acid and oxalic acid reduction products may further include the acidification of oxalate to oxalic acid, the purification of oxalic acid and the hydrogenation of oxalic acid to produce oxalic acid reduction products.Type: ApplicationFiled: March 20, 2014Publication date: July 24, 2014Applicant: Liquid Light, Inc.Inventors: Zbigniew Twardowski, Emily Barton Cole, Jerry J. Kaczur, Kyle Teamey, Kate A. Keets, Rishi Parajuli, Alexander Bauer, Narayanappa Sivasankar, George Leonard, Theodore J. Kramer, Paul Majsztrik, Yizu Zhu
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Publication number: 20140206894Abstract: The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of CO2 to oxalate and oxalic acid. The method and system for production of oxalic acid and oxalic acid reduction products may further include the acidification of oxalate to oxalic acid, the purification of oxalic acid and the hydrogenation of oxalic acid to produce oxalic acid reduction products.Type: ApplicationFiled: March 20, 2014Publication date: July 24, 2014Applicant: Liquid Light, Inc.Inventors: Emily Barton Cole, Jerry J. Kaczur, Kyle Teamey, Kate A. Keets, Rishi Parajuli, Alexander Bauer, Narayanappa Sivasankar, George Leonard, Theodore J. Kramer, Paul Majsztrik, Yizu Zhu, Robert Farrauto, Robert Augustine, Setrak Tanielyan, Mohanreddy Kasireddy
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Publication number: 20140206896Abstract: The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of CO2 to oxalate and oxalic acid. The method and system for production of oxalic acid and oxalic acid reduction products may further include the acidification of oxalate to oxalic acid, the purification of oxalic acid and the hydrogenation of oxalic acid to produce oxalic acid reduction products.Type: ApplicationFiled: March 20, 2014Publication date: July 24, 2014Applicant: Liquid Light, Inc.Inventors: Narayanappa Sivasankar, Robert Farrauto, Robert Augustine, Setrak Tanielyan, Mohanreddy Kasireddy, Emily Barton Cole, Kate A. Keets, Rishi Parajuli, Jerry J. Kaczur, Yizu Zhu, Farah Dhun, Kyle Teamey, Alexander Bauer, Theodore J. Kramer, Paul Majsztrik, George Leonard
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Publication number: 20140158547Abstract: Disclosed is a system and method for reducing carbon dioxide into a carbon based product. The system includes an electrochemical cell having a cathode region which includes a cathode and a non-aqueous catholyte; an anode region having an anode and an aqueous or gaseous anolyte; and an ion permeable zone disposed between the anode region and the cathode region. The ion permeable zone is at least one of (i) the interface between the anolyte and the catholyte, (ii) an ion selective membrane; (iii) at least one liquid layer formed of an emulsion or (iv) a hydrophobic or glass fiber separator. The system and method includes a source of energy, whereby applying the source of energy across the anode and cathode reduces the carbon dioxide and produces an oxidation product.Type: ApplicationFiled: December 5, 2013Publication date: June 12, 2014Applicant: Liquid Light, Inc.Inventors: Narayanappa Sivasankar, Jerry J. Kaczur, Emily Barton Cole
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Patent number: 8721866Abstract: A method for electrochemical production of synthesis gas from carbon dioxide is disclosed. The method generally includes steps (A) to (C). Step (A) may bubble the carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into a plurality of components. Step (B) may establish a molar ratio of the components in the synthesis gas by adjusting at least one of (i) a cathode material and (ii) a surface morphology of the cathode. Step (C) may separate the synthesis gas from the solution.Type: GrantFiled: July 29, 2010Date of Patent: May 13, 2014Assignee: Liquid Light, Inc.Inventors: Narayanappa Sivasankar, Emily Barton Cole, Kyle Teamey
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Publication number: 20140034509Abstract: Methods and systems for heterocycle catalyzed carbonylation and hydroformylation with carbon dioxide are disclosed. A method may include, but is not limited to, steps (A) to (D). Step (A) may introduce water to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce carbon dioxide to a second compartment of the electrochemical cell. The second compartment may include a solution of an electrolyte, a heterocyclic catalyst, and a cathode. Step (C) may introduce a second reactant to the second compartment of the electrochemical cell. Step (D) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to induce liquid phase carbonylation or hydroformylation to form a product mixture.Type: ApplicationFiled: September 19, 2013Publication date: February 6, 2014Applicant: Liquid Light, Inc.Inventors: Narayanappa Sivasankar, Emily Barton Cole, Kyle Teamey