Patents by Inventor Wageesha Senaratne

Wageesha Senaratne 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).

  • Patent number: 10364181
    Abstract: An antimicrobial article having a substrate, and a coating on a surface of the substrate. The coating includes a silver-containing alkali silicate. The antimicrobial article has an antimicrobial efficacy of greater than or equal to about 90.0% according to EPA Test Method for Efficacy of Copper Alloy Surfaces as a Sanitizer. The coating may further include at least one of a boron-containing compound and an aluminum-containing compound. A method for forming antimicrobial articles includes coating a substrate with a mixture comprising an alkali silicate; curing the coating at a temperature from greater than or equal to about 300° C. to less than or equal to about 620° C. for a duration of greater than or equal to about 15 minutes to less than or equal to about 120 minutes; and contacting the coating with an antimicrobial medium comprising silver nitrate and an alkali nitrate.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: July 30, 2019
    Assignee: CORNING INCORPORATED
    Inventors: Nicholas Francis Borrelli, Wageesha Senaratne, Ying Wei
  • Publication number: 20190217901
    Abstract: The roof of a vehicle includes a passive cooling layer overlaying an outward facing surface of the roof such that the layer is exposed to sunlight exterior to the vehicle. The layer includes a polymer having molecular structures with Si—O—Si linkages. The layer has relatively high emittance over a peak spectrum for solar heating.
    Type: Application
    Filed: January 25, 2019
    Publication date: July 18, 2019
    Inventors: Nicholas Francis Borrelli, Gregory Lee Bucher, Wageesha Senaratne, Sergey Yurevich Ten
  • Publication number: 20190203055
    Abstract: Described herein are coated glass or glass-ceramic articles having improved smudge resistance. Further described are methods of making and using the improved articles. The coated articles generally include a glass or glass-ceramic substrate and an oleophilic coating disposed thereon. The oleophilic coating is not a free-standing adhesive film, but a coating that is formed on or over the glass or glass-ceramic substrate.
    Type: Application
    Filed: March 8, 2019
    Publication date: July 4, 2019
    Inventors: Charlotte Diane Milia, Wageesha Senaratne
  • Patent number: 10328372
    Abstract: An air filter article, including: a wall-flow honeycomb particulate filter; and at least one anti-microbial agent on at least a portion of the interior surfaces. The disclosure also provides a filtration system that incorporates or uses the air filter article, and methods for making the air filter article.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: June 25, 2019
    Assignee: Corning Incorporated
    Inventors: Prantik Mazumder, Wageesha Senaratne, Ying Wei
  • Patent number: 10304536
    Abstract: A quantum memory system includes a doped polycrystalline ceramic, a magnetic field generation unit, and one or more pump lasers. The doped polycrystalline ceramic is positioned within a magnetic field of the magnetic field generation unit when the magnetic field generation unit generates the magnetic field, the one or more pump lasers are optically coupled to the doped polycrystalline ceramic, and the doped polycrystalline ceramic is doped with a rare-earth element dopant that is uniformly distributed within a crystal lattice of the doped polycrystalline ceramic.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: May 28, 2019
    Assignee: CORNING INCORPORATED
    Inventors: Jason Allen Brown, Thomas Dale Ketcham, Daniel Aloysius Nolan, Wageesha Senaratne, Jun Yang, Haitao Zhang
  • Patent number: 10233333
    Abstract: Described herein are coated glass or glass-ceramic articles having improved smudge resistance. Further described are methods of making and using the improved articles. The coated articles generally include a glass or glass-ceramic substrate and an oleophilic coating disposed thereon. The oleophilic coating is not a free-standing adhesive film, but a coating that is formed on or over the glass or glass-ceramic substrate.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: March 19, 2019
    Assignee: CORNING INCORPORATED
    Inventors: Charlotte Diane Milia, Wageesha Senaratne
  • Publication number: 20190027706
    Abstract: An apparatus for light diffraction and an organic light emitting diode (OLED) incorporating the light diffraction apparatus is disclosed. An apparatus for light diffraction may comprise an optional planarization layer, a transparent substrate, a waveguide layer. The planarization layer may have a refractive index of ns. The transparent substrate may have a refractive index of ng. The waveguide layer may have a refractive index nw distributed over of the transparent substrate. The waveguide layer may comprise a binding matrix, at least one nanoparticle. The waveguide layer may be interposed between the transparent substrate and the optional planarization layer.
    Type: Application
    Filed: September 25, 2018
    Publication date: January 24, 2019
    Inventors: David Eugene Baker, Li Liu, Pamela Arlene Maurey, Robert Adam Modavis, Daniel Aloysius Nolan, Wageesha Senaratne
  • Publication number: 20180363361
    Abstract: A window with low frictive compositions and methods of making the same. The low frictive composition is applied to top portion of at least one glass bump contacting an opposing pane in a window. The low frictive composition may include an inorganic powder and a binder. The inorganic powder includes disulfide, molybdenum disulfide, tungsten diselenide, and molybdenum diselenide. The binder includes silsesquioxanes and alkali silicates.
    Type: Application
    Filed: November 29, 2016
    Publication date: December 20, 2018
    Applicant: Corning Incorporated
    Inventors: Michael Paul HECKMAN, Linda Frances REYNOLDS-HEFFER, Wageesha SENARATNE
  • Patent number: 10155361
    Abstract: Provided herein are nanoparticulate coated structures and methods of making structures. The structures comprise a support element, a nanoparticulate layer, and a binder disposed on the support element, wherein the binder comprises an alkali silicate or borate. In addition, methods of making the structures and uses of the described structures are described herein.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: December 18, 2018
    Assignee: CORNING INCORPORATED
    Inventors: Dana Craig Bookbinder, Adam James Ellison, Umamaheswari Janakiraman, Wageesha Senaratne
  • Patent number: 10155691
    Abstract: Described herein are various antimicrobial glass articles that have improved resistance to discoloration when exposed to harsh conditions. The improved antimicrobial glass articles described herein generally include a glass substrate that has a low concentration of nonbridging oxygen atoms, a compressive stress layer and an antimicrobial silver-containing region that each extend inward from a surface of the glass substrate to a specific depth, such that the glass article experiences little-to-no discoloration when exposed to harsh conditions. Methods of making and using the glass articles are also described.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: December 18, 2018
    Assignee: CORNING INCORPORATED
    Inventors: Jaymin Amin, Nicholas Francis Borrelli, Timothy Michael Gross, Odessa Natalie Petzold, Wageesha Senaratne
  • Publication number: 20180352668
    Abstract: Embodiments of an enclosure including a substrate having an anti-fingerprint surface are disclosed. The anti-finger print surface may include a textured surface, a coated surface or a coated textured surface that exhibits a low fingerprint visibility, when a fingerprint is applied to the anti-fingerprint surface. In one or more embodiments, the enclosure exhibits any one of the following attributes (1) radio, and microwave frequency transparency, as defined by a loss tangent of less than 0.03 and at a frequency range of between 15 MHz to 3.0 GHz; (2) infrared transparency; (3) a fracture toughness of greater than 0.6 MPa·m1/2; (4) a 4-point bend strength of greater than 350 MPa; (5) a Vickers hardness of at least 450 kgf/mm2 and a Vickers median/radial crack initiation threshold of at least 5 kgf; (6) a Young's Modulus in the range from about 50 GPa to about 100 GPa; and (7) a thermal conductivity of less than 2.0 W/m° C.
    Type: Application
    Filed: January 19, 2016
    Publication date: December 6, 2018
    Inventors: Jaymin Amin, Jaques Gollier, Shandon Dee Hart, Karl William Koch, III, Wageesha Senaratne
  • Publication number: 20180351130
    Abstract: A laser weldable device housing substrate, device housing and related method are provided. The substrate includes a first surface, a second surface opposite the first surface, and a thin inorganic particle layer supported by the first surface. The inorganic particle layer includes a plurality of particles arranged in a layer on the first surface. The particles have an average diameter of less than or equal to 1.0 ?m, and the inorganic particle layer has an average thickness of less than or equal to 5 ?m.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Inventors: Heather Debra Boek, Theresa Chang, Leonard Charles Dabich, Mark Alan Lewis, Stephan Lvovich Logunov, Mark Alejandro Quesada, Wageesha Senaratne, Alexander Mikhailovich Streltsov
  • Publication number: 20180322921
    Abstract: A quantum memory system includes a doped polycrystalline ceramic, a magnetic field generation unit, and one or more pump lasers. The doped polycrystalline ceramic is positioned within a magnetic field of the magnetic field generation unit when the magnetic field generation unit generates the magnetic field, the one or more pump lasers are optically coupled to the doped polycrystalline ceramic, and the doped polycrystalline ceramic is doped with a rare-earth element dopant that is uniformly distributed within a crystal lattice of the doped polycrystalline ceramic.
    Type: Application
    Filed: July 16, 2018
    Publication date: November 8, 2018
    Inventors: Jason Allen Brown, Thomas Dale Ketcham, Daniel Aloysius Nolan, Wageesha Senaratne, Jun Yang, Haitao Zhang
  • Publication number: 20180305244
    Abstract: Disclosed herein are methods for reducing the solarization of a glass substrate, the methods comprising depositing a nanocomposite layer on at least a portion of a surface of the glass substrate, wherein the nanocomposite layer comprises a mixture of metal oxide nanoparticles and at least one silicon-containing component, wherein the metal oxide nanoparticles comprise at least one metal oxide having a band gap ranging from about 3 eV to about 4 eV. Also disclosed herein are glass substrates comprising a surface and a nanocomposite coating on at least a portion of the surface, wherein the nanocomposite coating comprises a mixture of metal oxide nanoparticles and at least one silicon-containing component.
    Type: Application
    Filed: October 19, 2016
    Publication date: October 25, 2018
    Applicant: CORNING INCORPORATED
    Inventors: Nicholas Francis BORRELLI, Wageesha SENARATNE
  • Patent number: 10109821
    Abstract: An apparatus for light diffraction and an organic light emitting diode (OLED) incorporating the light diffraction apparatus is disclosed. An apparatus for light diffraction may comprise an optional planarization layer, a transparent substrate, a waveguide layer. The planarization layer may have a refractive index of ns. The transparent substrate may have a refractive index of ng. The waveguide layer may have a refractive index nw distributed over of the transparent substrate. The waveguide layer may comprise a binding matrix, at least one nanoparticle. The waveguide layer may be interposed between the transparent substrate and the optional planarization layer.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: October 23, 2018
    Assignee: Corning Incorporated
    Inventors: David Eugene Baker, Li Liu, Pamela Arlene Maurey, Robert Adam Modavis, Daniel Aloysius Nolan, Wageesha Senaratne
  • Publication number: 20180254085
    Abstract: A method of manufacturing a doped polycrystalline ceramic optical device includes mixing a plurality of transition metal complexes and a plurality of rare-earth metal complexes to form a metal salt solution, heating the metal salt solution to form a heated metal salt solution, mixing the heated metal salt solution and an organic precursor to induce a chemical reaction between the heated metal salt solution and the organic precursor to produce a plurality of rare-earth doped crystalline nanoparticles, and sintering the plurality of rare-earth doped nanoparticles to form a doped polycrystalline ceramic optical device having a rare-earth element dopant that is uniformly distributed within a crystal lattice of the doped polycrystalline ceramic optical device.
    Type: Application
    Filed: February 27, 2018
    Publication date: September 6, 2018
    Inventors: Jason Allen Brown, Stuart Gray, Thomas Dale Ketcham, Daniel Aloysius Nolan, Wageesha Senaratne, Jun Yang, Haitao Zhang
  • Publication number: 20180251399
    Abstract: Described herein are antimicrobial articles having improved antimicrobial efficacy and antireflective properties. Further described are methods of making and using the improved articles. The antimicrobial articles generally include an antimicrobial element and an antireflective element. The antireflective element, in some cases, can be disposed directly on a glass, glass-ceramic or ceramic substrate and the antimicrobial element is disposed on the antireflective element. The article can exhibit a reflectance of about 4% or less (and less than 1% in some cases) in the range of about 425 nm to about 725 nm. Further, the article can be characterized with an antimicrobial efficacy by exhibiting at least a 2 log reduction in a concentration of at least Staphylococcus aureus, Enterobacter aerogenes, and Pseudomonas aeruginosa bacteria under a Modified EPA Copper Test Protocol.
    Type: Application
    Filed: August 30, 2016
    Publication date: September 6, 2018
    Inventors: Karl William Koch, III, Wageesha Senaratne
  • Publication number: 20180241004
    Abstract: Disclosed herein are OLED devices comprising waveguides including at least one waveguide layer comprising at least one inorganic nanoparticle and at least one binder and having an RMS surface roughness of less than about 20 nm. Lighting and display devices comprising such OLED devices are further disclosed herein as well as methods for making the waveguides.
    Type: Application
    Filed: April 19, 2018
    Publication date: August 23, 2018
    Inventors: Archit Lal, Pamela Arlene Maurey, Daniel Aloysius Nolan, Wageesha Senaratne
  • Publication number: 20180170803
    Abstract: A method of making an antimicrobial glass article that includes the steps: submersing the article in a strengthening bath to exchange a portion of ion-exchangeable metal ions in the glass article with a portion of ion-exchanging metal ions in the strengthening bath to form a compressive stress layer extending from the first surface to a diffusion depth in the article; removing a portion of the compressive stress layer from the first surface of the article to a first depth above the diffusion depth in the article to define a new first surface and a remaining compressive stress layer; and submersing the article in an antimicrobial bath to exchange a portion of the ion-exchangeable and the ion-exchanging metal ions in the compressive stress layer with a portion of the silver metal ions in the antimicrobial bath to impart an antimicrobial property in the article.
    Type: Application
    Filed: February 15, 2018
    Publication date: June 21, 2018
    Inventors: Dana Craig Bookbinder, Nicholas Francis Borrelli, Delena Lucinda Justice Duffy, Sumalee Likitvanichkul Fagan, Richard Michael Fiacco, Georgiy M. Guryanov, Ekaterina Aleksandrovna Kuksenkova, Wageesha Senaratne, Anantha Narayanan Subramanian
  • Patent number: 9978990
    Abstract: Disclosed herein are OLED devices comprising waveguides including at least one waveguide layer comprising at least one inorganic nanoparticle and at least one binder and having an RMS surface roughness of less than about 20 nm. Lighting and display devices comprising such OLED devices are further disclosed herein as well as methods for making the waveguides.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: May 22, 2018
    Assignee: Corning Incorporated
    Inventors: Archit Lal, Pamela Arlene Maurey, Daniel Aloysius Nolan, Wageesha Senaratne