Patents by Inventor Cattien V. Nguyen
Cattien V. Nguyen 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: 20240006263Abstract: Provided herein are carbon nanotubes disposed on a metal substrate containing one or more cavities, methods of making thereof and uses thereof. In some embodiments, an apparatus is provided which includes carbon nanotubes carbon nanotubes disposed on a metal substrate containing one or more cavities.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Inventors: Cattien V. Nguyen, Be Van Vo
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Publication number: 20240008229Abstract: Provided herein are carbon nanotubes disposed on a metal substrate containing one or more cavities, methods of making thereof and uses thereof. In some embodiments, an apparatus is provided which includes carbon nanotubes carbon nanotubes disposed on a metal substrate containing one or more cavities.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Applicant: NTHERMA CORPORATIONInventors: Cattien V. Nguyen, Be Van Vo, Anthony Vu
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Publication number: 20230170106Abstract: Provided herein are transparent conducting films which include graphene nanoribbons of uniform length and greater than 90% purity and methods of synthesis thereof. Also provided herein are devices which include transparent conducting films comprised of graphene nanoribbons of uniform length and greater than 90% purity. The device may be a solar cell, a television, a display, a touch screen or a smart window.Type: ApplicationFiled: January 13, 2023Publication date: June 1, 2023Inventor: Cattien V. Nguyen
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Patent number: 11560313Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.Type: GrantFiled: April 1, 2020Date of Patent: January 24, 2023Assignee: NTHERMA CORPORATIONInventor: Cattien V. Nguyen
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Patent number: 11511995Abstract: Provided herein are methods and devices for production of carbon nanotubes (CNTs) which have high structural uniformity and low levels of impurities. The device includes, for example, a module for depositing catalyst on a substrate, a module for forming CNTs, a module for separating CNTs from the substrate, a module for collecting the CNTs and a module for continuously and sequentially advancing the substrate through the above modules. The method includes, for example, the steps of depositing catalyst on a moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate and collecting the carbon nanotubes from the surface, where the substrate moves sequentially through the depositing, forming, separating and collecting steps.Type: GrantFiled: October 30, 2019Date of Patent: November 29, 2022Assignee: NTHERMA CORPORATIONInventor: Cattien V. Nguyen
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Publication number: 20220328830Abstract: Provided herein are electrodes which include graphene nanoribbons of uniform length and greater than 90% purity. Also provided herein are energy storage devices, where the electrodes include graphene nanoribbons of uniform length and greater than 90% purity. The energy storage device may be, for example, a lithium-ion battery, a lithium-ion polymer battery, a solid-state battery or an ultracapacitor.Type: ApplicationFiled: April 13, 2022Publication date: October 13, 2022Inventor: Cattien V. Nguyen
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Patent number: 11365122Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.Type: GrantFiled: April 1, 2020Date of Patent: June 21, 2022Assignee: NTHERMA CORPORATIONInventor: Cattien V. Nguyen
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Patent number: 11244791Abstract: Provided herein is a rechargeable power source that can be quickly charged and used for charging mobile and cordless devices. The power source includes an ultracapacitor which comprises a composite structure including, for example open graphene structures or graphene nanoribbons attached to an oxide layer. The oxide layer is on a metal foil surface. The oxide layer includes more than one metal atom.Type: GrantFiled: July 26, 2018Date of Patent: February 8, 2022Assignee: Oxcion LimitedInventors: Cattien V. Nguyen, You Li, Darrell L. Niemann, Hoang Nguyen Ly, Philip A. Kraus
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Publication number: 20210094828Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.Type: ApplicationFiled: April 1, 2020Publication date: April 1, 2021Inventor: Cattien V. Nguyen
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Publication number: 20200343015Abstract: Provided herein are transparent conducting films which include graphene nanoribbons of uniform length and greater than 90% purity and methods of synthesis thereof. Also provided herein are devices which include transparent conducting films comprised of graphene nanoribbons of uniform length and greater than 90% purity. The device may be a solar cell, a television, a display, a touch screen or a smart window.Type: ApplicationFiled: January 22, 2020Publication date: October 29, 2020Inventor: Cattien V. Nguyen
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Publication number: 20200270133Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.Type: ApplicationFiled: April 1, 2020Publication date: August 27, 2020Inventor: Cattien V. Nguyen
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Publication number: 20200247676Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.Type: ApplicationFiled: April 1, 2020Publication date: August 6, 2020Inventor: Cattien V. Nguyen
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Patent number: 10640382Abstract: Provided herein are methods and devices for production of carbon nanotubes (CNTs) which have high structural uniformity and low levels of impurities. The device includes, for example, a module for depositing catalyst on a substrate, a module for forming CNTs, a module for separating CNTs from the substrate, a module for collecting the CNTs and a module for continuously and sequentially advancing the substrate through the above modules. The method includes, for example, the steps of depositing catalyst on a moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate and collecting the carbon nanotubes from the surface, where the substrate moves sequentially through the depositing, forming, separating and collecting steps.Type: GrantFiled: August 21, 2018Date of Patent: May 5, 2020Assignee: NTHERMA CORPORATIONInventor: Cattien V. Nguyen
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Patent number: 10640384Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.Type: GrantFiled: August 22, 2018Date of Patent: May 5, 2020Assignee: NTHERMA CORPORATIONInventor: Cattien V. Nguyen
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Publication number: 20200062595Abstract: Provided herein are methods and devices for production of carbon nanotubes (CNTs) which have high structural uniformity and low levels of impurities. The device includes, for example, a module for depositing catalyst on a substrate, a module for forming CNTs, a module for separating CNTs from the substrate, a module for collecting the CNTs and a module for continuously and sequentially advancing the substrate through the above modules. The method includes, for example, the steps of depositing catalyst on a moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate and collecting the carbon nanotubes from the surface, where the substrate moves sequentially through the depositing, forming, separating and collecting steps.Type: ApplicationFiled: October 30, 2019Publication date: February 27, 2020Inventor: Cattien V. Nguyen
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Patent number: 10546698Abstract: A composite electrode structure and methods of making and using thereof are disclosed. The structure has a metal substrate with a metal oxide layer. The average thickness of the metal oxide layer is less than 150 nm, and comprises at least a first metal and a second metal, wherein the first metal and the second metal are different elements. A plurality of carbon nanotubes is disposed on a first surface of the metal oxide layer. At least a portion of the carbon nanotubes are disposed such that one end of the carbon nanotube is positioned at least 5 nm below the surface of the metal oxide layer.Type: GrantFiled: August 13, 2014Date of Patent: January 28, 2020Assignee: ZapGo LtdInventors: Cattien V. Nguyen, You Li, Hoang Nguyen Ly, Darrell L. Niemann, Bevan Vo, Philip A. Kraus
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Publication number: 20190062165Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.Type: ApplicationFiled: August 22, 2018Publication date: February 28, 2019Inventor: Cattien V. Nguyen
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Publication number: 20190062163Abstract: Provided herein are methods and devices for production of carbon nanotubes (CNTs) which have high structural uniformity and low levels of impurities. The device includes, for example, a module for depositing catalyst on a substrate, a module for forming CNTs, a module for separating CNTs from the substrate, a module for collecting the CNTs and a module for continuously and sequentially advancing the substrate through the above modules. The method includes, for example, the steps of depositing catalyst on a moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate and collecting the carbon nanotubes from the surface, where the substrate moves sequentially through the depositing, forming, separating and collecting steps.Type: ApplicationFiled: August 21, 2018Publication date: February 28, 2019Inventor: Cattien V. Nguyen
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Publication number: 20180342357Abstract: Provided herein is a rechargeable power source that can be quickly charged and used for charging mobile and cordless devices. The power source includes an ultracapacitor which comprises a composite structure including, for example open graphene structures or graphene nanoribbons attached to an oxide layer. The oxide layer is on a metal foil surface. The oxide layer includes more than one metal atom.Type: ApplicationFiled: July 26, 2018Publication date: November 29, 2018Inventors: CATTIEN V. NGUYEN, YOU LI, DARRELL L. NIEMANN, HOANG NGUYEN LY, PHILIP A. KRAUS
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Patent number: 9318295Abstract: A CNT electron source, a method of manufacturing a CNT electron source, and a solar cell utilizing a CNT patterned sculptured substrate are disclosed. Embodiments utilize a metal substrate which enables CNTs to be grown directly from the substrate. An inhibitor may be applied to the metal substrate to inhibit growth of CNTs from the metal substrate. The inhibitor may be precisely applied to the metal substrate in any pattern, thereby enabling the positioning of the CNT groupings to be more precisely controlled. The surface roughness of the metal substrate may be varied to control the density of the CNTs within each CNT grouping. Further, an absorber layer and an acceptor layer may be applied to the CNT electron source to form a solar cell, where a voltage potential may be generated between the acceptor layer and the metal substrate in response to sunlight exposure.Type: GrantFiled: January 13, 2009Date of Patent: April 19, 2016Assignee: THE UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NASAInventor: Cattien V. Nguyen