Patents by Inventor Young-Hye Na

Young-Hye Na 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).

  • Thin film composite forward osmosis membranes with performance enhancing layers
    Patent number: 10654002
    Abstract: A thin film composite (TFC) forward osmosis (FO) membrane includes a porous support with surfaces having thereon a hydrophilic self-assembled monolayer. An active layer on the support is sufficiently dense to remove an ionic species from a liquid.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: May 19, 2020
    Assignees: International Business Machines Corporation, San Jose State University Research Foundation
    Inventors: Geraud J. Dubois, Robert D. Miller, Young-Hye Na, Victoria Piunova, Joseph Sly, Daniel Stillman
  • Method for removing glyphosate from a solution
    Patent number: 10640396
    Abstract: A method includes removing glyphosate from a solution by contacting the solution with a mesoporous inorganic particle having an average pore size of greater than zero and less than about 50 nm, wherein the mesoporous inorganic particle is functionalized with a positively charged moiety selected from ammonium, amine and combinations thereof.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: May 5, 2020
    Assignee: International Business Machines Corporation
    Inventors: Geraud J. Dubois, Young-Hye Na, Lianna C. Samuel, Ran Wang
  • COMPOSITE SEPARATOR FOR LITHIUM METAL BATTERIES
    Publication number: 20200106068
    Abstract: A thin film coating with inorganic/organic composite materials for application on a porous separator of a rechargeable metal battery cell is disclosed. The composite material, which is comprised of ion conductive ceramic particles mixed with, or embedded within a matrix of, at least one polymer comprising at least one anionic functional group and at least one metallic cation. The composite coating layer enhances the overall electrochemical performance of rechargeable metal batteries by preventing the formation of metal dendrites on the metallic anode of a metal battery cell.
    Type: Application
    Filed: September 29, 2018
    Publication date: April 2, 2020
    Inventors: YONGKU KANG, JANGWOO KIM, YOUNG-HYE NA
  • COMPOSITE SOLID ELECTROLYTES FOR RECHARGEABLE ENERGY STORAGE DEVICES
    Publication number: 20200051710
    Abstract: A device includes an ion-conducting membrane with ion-conducting ceramic particles, and an ion-conducting polymer that surrounds the ion-conducting membrane. The ion-conducting polymer includes a pressure-deformable film with a glass transition temperature lower than an operation temperature of the device.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 13, 2020
    Inventors: Naga Phani Babu Aetukuri, Robert D. Miller, Young-hye Na, John Campbell Scott, Sogol Yahyazadeh
  • Composite solid electrolytes for rechargeable energy storage devices
    Patent number: 10559398
    Abstract: A device includes an ion-conducting membrane with ion-conducting ceramic particles, and an ion-conducting polymer that surrounds the ion-conducting membrane. The ion-conducting polymer includes a pressure-deformable film with a glass transition temperature lower than an operation temperature of the device.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: February 11, 2020
    Assignee: International Business Machines Corporation
    Inventors: Naga Phani B. Aetukuri, Robert D. Miller, Young-Hye Na, John Campbell Scott, Sogol Yahyazadeh
  • SEPARATOR FOR ENERGY STORAGE DEVICE
    Publication number: 20190348658
    Abstract: An energy storage device includes an anode; a cathode; an electrolyte in contact with both the anode and the cathode; and an electrically non-conductive separator between the anode and the cathode. The separator includes a membrane having a plurality of voids, wherein at least some of the voids are partially filled with inorganic particles, and wherein the inorganic particles exhibit a shear modulus greater than the shear modulus of the membrane.
    Type: Application
    Filed: May 14, 2018
    Publication date: November 14, 2019
    Inventors: Younes Ansari, Young-Hye Na, Ho-Cheol Kim, Sogol Teschler, Yongku Kang, Do Youb Kim, Dong Wook Kim, Jung Don Suk
  • RELEASE LAYER FOR PREPARATION OF ION CONDUCTING MEMBRANES
    Publication number: 20190326574
    Abstract: A method includes applying to a substrate a solution including a polymeric compound to form a release layer on the substrate; applying ion-conducting elements on the release layer; applying a matrix polymer on the release layer, wherein the matrix polymer surrounds at least some of the ion-conducting elements; and removing the release layer to separate the matrix polymer from the substrate such that the ion-conducting elements remain embedded in a carrier layer of the matrix polymer and form an ion-conducting membrane.
    Type: Application
    Filed: April 23, 2018
    Publication date: October 24, 2019
    Applicant: International Business Machines Corporation
    Inventors: Robert D. Miller, Young-Hye Na, Sogol Teschler, Khanh Nguyen
  • Composite membrane with multi-layered active layer
    Patent number: 10384172
    Abstract: A thin film composite membrane includes an active layer on a support membrane, wherein the active layer includes at least two chemically distinct first and second crosslinked polyamide film sub-layers. The first film sub-layer includes a polyamide unit; and the second film sub-layer includes a copolyamide with two chemically distinct polyamide units. The first film sub-layer is closer to the support than is the second film sub-layer.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: August 20, 2019
    Assignees: International Business Machines Corporation, King Abdulaziz City for Science and Technology (KACST)
    Inventors: Radwan A. Alrasheed, Blake W. Davis, Jacquana T. Diep, Geraud J. Dubois, Young-Hye Na, Majed S. Nassar, Ankit Vora
  • RECHARGEABLE METAL HALIDE BATTERY
    Publication number: 20190221887
    Abstract: A battery includes an anode; an electrolyte including an oxidizing gas; a metal halide that functions as an active cathode material; and a solvent including a nitrile compound; and a current collector contacting the cathode material.
    Type: Application
    Filed: January 16, 2018
    Publication date: July 18, 2019
    Inventors: Jangwoo Kim, Young-Hye Na, Ho-Cheol Kim
  • Antifouling and antimicrobial coatings for thin film composite membranes
    Patent number: 10293308
    Abstract: A coated, thin-film composite membrane includes a porous support and a polyamide barrier layer in contact with the porous support. A fouling-resistant and antimicrobial layer of star polymers is in contact with the polyamide barrier layer. The star polymers included hydrophilic arms of about 40 mol % to about 80 mol % of neutral hydrophilic moieties, and about 60 mol % to about 20 mol % of antimicrobial functional groups.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: May 21, 2019
    Assignee: International Business Machines Corporation
    Inventors: Young-Hye Na, Ran Wang, Andy T. Tek, Joseph Sly
  • METHOD FOR REMOVING GLYPHOSATE FROM A SOLUTION
    Publication number: 20190092651
    Abstract: A method includes removing glyphosate from a solution by contacting the solution with a mesoporous inorganic particle having an average pore size of greater than zero and less than about 50 nm, wherein the mesoporous inorganic particle is functionalized with a positively charged moiety selected from ammonium, amine and combinations thereof.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 28, 2019
    Inventors: Geraud J. Dubois, Young-Hye Na, Lianna C. Samuel, Ran Wang
  • ANTIFOULING AND ANTIMICROBIAL COATINGS FOR THIN FILM COMPOSITE MEMBRANES
    Publication number: 20190015789
    Abstract: A coated, thin-film composite membrane includes a porous support and a polyamide barrier layer in contact with the porous support. A fouling-resistant and antimicrobial layer of star polymers is in contact with the polyamide barrier layer. The star polymers included hydrophilic arms of about 40 mol % to about 80 mol % of neutral hydrophilic moieties, and about 60 mol % to about 20 mol % of antimicrobial functional groups.
    Type: Application
    Filed: September 18, 2018
    Publication date: January 17, 2019
    Inventors: Young-Hye Na, Ran Wang, Andy T. Tek, Joseph Sly
  • Method for removing glyphosate from a solution
    Patent number: 10155675
    Abstract: A method includes removing glyphosate from a solution by contacting the solution with a mesoporous inorganic particle having an average pore size of greater than zero and less than about 50 nm, wherein the mesoporous inorganic particle is functionalized with a positively charged moiety selected from ammonium, amine and combinations thereof.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: December 18, 2018
    Assignee: International Business Machines Corporation
    Inventors: Geraud J. Dubois, Young-Hye Na, Lianna Samuel, Ran Wang
  • THIN FILM COMPOSITE FORWARD OSMOSIS MEMBRANES WITH PERFORMANCE ENHANCING LAYERS
    Publication number: 20180339271
    Abstract: A thin film composite (TFC) forward osmosis (FO) membrane includes a porous support with surfaces having thereon a hydrophilic self-assembled monolayer. An active layer on the support is sufficiently dense to remove an ionic species from a liquid.
    Type: Application
    Filed: May 21, 2018
    Publication date: November 29, 2018
    Inventors: Geraud J. Dubois, Robert D. Miller, Young-Hye Na, Victoria Piunova, Joseph Sly, Daniel Stillman
  • COMPOSITE SOLID ELECTROLYTES FOR RECHARGEABLE ENERGY STORAGE DEVICES
    Publication number: 20180330844
    Abstract: A device includes an ion-conducting membrane with ion-conducting ceramic particles, and an ion-conducting polymer that surrounds the ion-conducting membrane. The ion-conducting polymer includes a pressure-deformable film with a glass transition temperature lower than an operation temperature of the device.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 15, 2018
    Inventors: Naga Phani Babu Aetukuri, Robert D. Miller, Young-Hye Na, John Campbell Scott, Sogol Yahyazadeh
  • Antifouling and antimicrobial coatings for thin film composite membranes
    Patent number: 10086338
    Abstract: A coated, thin-film composite membrane includes a porous support and a polyamide barrier layer in contact with the porous support. A fouling-resistant and antimicrobial layer of star polymers is in contact with the polyamide barrier layer. The star polymers included hydrophilic arms of about 40 mol % to about 80 mol % of neutral hydrophilic moieties, and about 60 mol % to about 20 mol % of antimicrobial functional groups.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: October 2, 2018
    Assignee: International Business Machines Corporation
    Inventors: Young-Hye Na, Joseph Sly, Andy T. Tek, Ran Wang
  • ANTI-FOULING COATINGS WITH STAR POLYMERS FOR FILTRATION MEMBRANES
    Publication number: 20180178168
    Abstract: A porous membrane with a molecular weight cut-off (MWCO) greater than about 10 kDa, and a coating on at least a portion of a major surface of the porous membrane. The coating includes a star polymer having a hydrophobic core and hydrophilic arms, wherein the hydrophobic core contacts the porous membrane.
    Type: Application
    Filed: February 20, 2018
    Publication date: June 28, 2018
    Inventors: Geraud J. Dubois, Robert D. Miller, Young-Hye Na, Victoria Piunova, Joseph Sly, Andy T. Tek, Ran Wang
  • Thin film composite forward osmosis membranes with performance enhancing layers
    Patent number: 10005042
    Abstract: A thin film composite (TFC) forward osmosis (FO) membrane includes a porous support with surfaces having thereon a hydrophilic self-assembled monolayer. An active layer on the support is sufficiently dense to remove an ionic species from a liquid.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: June 26, 2018
    Assignees: International Business Machines Corporation, San Jose State University Research Foundation
    Inventors: Geraud J. Dubois, Robert D. Miller, Young-Hye Na, Victoria Piunova, Joseph Sly, Daniel Stillman
  • Anti-fouling coatings with star polymers for filtration membranes
    Patent number: 9931598
    Abstract: A porous membrane with a molecular weight cut-off (MWCO) greater than about 10 kDa, and a coating on at least a portion of a major surface of the porous membrane. The coating includes a star polymer having a hydrophobic core and hydrophilic arms, wherein the hydrophobic core contacts the porous membrane.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: April 3, 2018
    Assignee: International Business Machines Corporation
    Inventors: Geraud J. Dubois, Robert D. Miller, Young-hye Na, Victoria Piunova, Joseph Sly, Andy T. Tek, Ran Wang
  • Method for removing glyphosate from a solution using functionalized polymeric nanoparticles
    Patent number: 9868650
    Abstract: A method for removing glyphosate from a solution by contacting the solution with a polymeric particle including a moiety selected from the group consisting of ammonium, amine and combinations thereof, wherein the moiety is positively charged in the solution.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: January 16, 2018
    Assignee: International Business Machines Corporation
    Inventors: Robert D. Allen, Geraud J. Dubois, Young-Hye Na, Lianna C. Samuel, Joseph Sly, Ran Wang