Patents by Inventor Rebecca Romero

Rebecca Romero 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).

  • SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE
    Publication number: 20210178336
    Abstract: Described herein is a crosslinked graphene based composite membrane that provides selective resistance to fluids solutes while providing water permeability, such as a selectively permeable membrane comprising a crosslinked graphene with a polyvinyl alcohol and silica-nanoparticle layer that can provide enhanced water separation. Also described herein are methods for making such membranes and methods of using the membranes for dehydrating or removing solutes from water.
    Type: Application
    Filed: May 19, 2017
    Publication date: June 17, 2021
    Inventors: Shijun Zheng, Isamu Kitahara, Ozair Siddiqui, Yuji Yamashiro, Weiping Lin, John Ericson, Rebecca Romero, Peng Wang, Shunsuke Noumi, Craig Roger Bartels, Wanyun Hsieh, Masahiko Hirose, Makoto Kobuke
  • Selectively permeable graphene oxide element
    Patent number: 10773218
    Abstract: Described herein is a graphene material such as graphene oxide and polymer based selectively permeable element that provides selective permeability between polar and non-polar molecules such as fluid, gas or vapor. The methods for making these selectively permeable elements and related devices are also described.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: September 15, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Peng Wang, Rebecca Romero, Isamu Kitahara, Weiping Lin
  • Pressure sensitive graphene-based valve element
    Patent number: 10722849
    Abstract: Described herein is a graphene-based valve element capable of passive and repeatable stopping or allowing fluid flow as a function of inlet pressure. Passive flow controller devices based on the valve element are also described.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: July 28, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Weiping Lin, Isamu Kitahara, Shijun Zheng, Peng Wang, John Ericson, Rebecca Romero
  • PRESSURE SENSITIVE GRAPHENE-BASED VALVE ELEMENT
    Publication number: 20190015792
    Abstract: Described herein is a graphene-based valve element capable of passive and repeatable stopping or allowing fluid flow as a function of inlet pressure. Passive flow controller devices based on the valve element are also described.
    Type: Application
    Filed: February 10, 2017
    Publication date: January 17, 2019
    Inventors: Weiping Lin, Isamu Kitahara, Shijun Zheng, Peng Wang, John Ericson, Rebecca Romero
  • SELECTIVELY PERMEABLE GRAPHENE OXIDE ELEMENT
    Publication number: 20180193806
    Abstract: Described herein is a graphene material such as graphene oxide and polymer based selectively permeable element that provides selective permeability between polar and non-polar molecules such as fluid, gas or vapor. The methods for making these selectively permeable elements and related devices are also described.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 12, 2018
    Inventors: Shijun Zheng, Peng Wang, Rebecca Romero, Isamu Kitahara, Weiping Lin
  • Emissive compounds for organic light-emitting diodes
    Patent number: 9598450
    Abstract: Disclosed herein are compounds containing an optionally substituted (2-phenylpyridinato-N,C2?)(2,4-pentanedionato)Pt(II). Some embodiments provide a light-emitting device, having an anode layer, a cathode layer, and a light-emitting layer positioned between, and electrically connected to, the anode layer and the cathode layer, wherein the light-emitting layer contains a compound disclosed herein.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: March 21, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Jesse Dan Froehlich, Rebecca Romero, Amane Mochizuki, Sheng Li, Nobukazu Negishi
  • Polyphenylene host compounds
    Patent number: 9548458
    Abstract: Polyphenylene compounds such as compounds represented by Formula 1 may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: January 17, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Compounds for use in light-emitting devices
    Patent number: 9373797
    Abstract: Included herein is the compound: and related compounds, and light-emitting devices comprising the same.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: June 21, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Polyphenylene Host Compounds
    Publication number: 20150099890
    Abstract: Polyphenylene compounds such as compounds represented by Formula 1 may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Polyphenylene host compounds
    Patent number: 8933243
    Abstract: Polyphenylene compounds such as compounds represented by Formula I may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: January 13, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Host material for lighting devices
    Patent number: 8895157
    Abstract: Optionally substituted bispyridinylbenzene compounds useful in light-emitting devices include, but are not limited to, 1,3-bis(5-(9H-carbazol-9-yl)pyridin-3-yl)benzene and 9,9?-(5,5?-(5-methyl-1,3-phenylene)bis(pyridine-5,3-diyl))bis(9H-carbazole).
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: November 25, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Rebecca Romero, David T. Sisk
  • EMISSIVE COMPOUNDS FOR ORGANIC LIGHT-EMITTING DIODES
    Publication number: 20130087772
    Abstract: Disclosed herein are compounds comprising an optionally substituted (2-phenylpyridinato-N,C2?)(2,4-pentanedionato)Pt(II). Some embodiments provide a light-emitting device, comprising: an anode layer; a cathode layer; and a light-emitting layer positioned between, and electrically connected to, the anode layer and the cathode layer, wherein the light-emitting layer comprises a compound disclosed herein.
    Type: Application
    Filed: December 29, 2010
    Publication date: April 11, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Jesse Dan Froehlich, Rebecca Romero, Amane Mochizuki, Sheng Li, Nobukazu Negishi
  • HOST MATERIAL FOR LIGHTING DEVICES
    Publication number: 20120193614
    Abstract: Optionally substituted bispyridinylbenzene compounds useful in light-emitting devices include, but are not limited to, 1,3-bis(5-(9H-carbazol-9-yl)pyridin-3-yl)benzene and 9,9?-(5,5?-(5-methyl-1,3-phenylene)bis(pyridine-5,3-diyl))bis(9H-carbazole).
    Type: Application
    Filed: January 27, 2012
    Publication date: August 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Rebecca Romero, David T. Sisk