Surface Modified Glass (e.g., Tempered, Strengthened, Etc.) Patents (Class 428/410)
  • Patent number: 10544059
    Abstract: Glass-ceramics and precursor glasses that are crystallizable to glass-ceramics are disclosed. The glass-ceramics of one or more embodiments include rutile, anatase, armalcolite or a combination thereof as the predominant crystalline phase. Such glasses and glass-ceramics may include compositions of, in mole %: SiO2 in the range from about 45 to about 75; Al2O3 in the range from about 4 to about 25; P2O5 in the range from about 0 to about 10; MgO in the range from about 0 to about 8; R2O in the range from about 0 to about 33; ZnO in the range from about 0 to about 8; ZrO2 in the range from about 0 to about 4; B2O3 in the range from about 0 to about 12, and one or more nucleating agents in the range from about 0.5 to about 12. In some glass-ceramic articles, the total crystalline phase includes up to 20% by weight of the glass-ceramic article.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: January 28, 2020
    Assignee: CORNING INCORPORATED
    Inventors: Matthew John Dejneka, Qiang Fu, Timothy Michael Gross, Xiaoju Guo, Sumalee Likitvanichkul, John Christopher Mauro
  • Patent number: 10526537
    Abstract: A glass having from greater than or equal to about 0.1 mol. % to less than or equal to about 20 mol. % Ho2O3, and one or more chromophores selected from V, Cr, Mn, Fe, Co, Ni, Se, Pr, Nd, Er, Yb, and combinations thereof. The amount of Ho2O3 (mol. %) is greater than or equal to 0.7 (CeO2 (mol. %)+Pr2O3 (mol. %)+Er2O3 (mol. %)). The glass can include one or more fluorescent ions selected from Cu, Sn, Ce, Eu, Tb, Tm, and combinations thereof in addition to, or in place of the chromophores. The glass can also include multiple fluorescent ions.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: January 7, 2020
    Assignee: Corning Incorporated
    Inventors: Matthew John Dejneka, Timothy James Kiczenski
  • Patent number: 10425994
    Abstract: A volume-colored monolithic glass ceramic cooking plate is provided. The plate includes a first zone in which the coloration of the glass ceramic differs from that of a second, adjacent zone, so that an absorption coefficient of the first zone is lower than the absorption coefficient of the second, adjacent zone and so that integral light transmission in the visible spectral range is greater in the first zone than the integral light transmission of the second, adjacent zone. The light scattering in the glass ceramic of the first zone differs from light scattering in the glass ceramic of the second zone by not more than 20 percentage points, preferably by not more than 5 percentage points.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: September 24, 2019
    Assignee: SCHOTT AG
    Inventors: Evelin Weiss, Bernd Hoppe, Martin Spier, Daniela Seiler
  • Patent number: 10407339
    Abstract: Ion exchangeable alkali aluminosilicate glasses and glass articles having softening points and high temperature coefficients of thermal expansion that permit the glass to be formed into three-dimensional shapes by the vacuum sagging process are provided. These glasses contain significant amounts of at least one of MgO and ZnO and comprise B2O3 and less than 1 mol % Li2O.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: September 10, 2019
    Assignee: CORNING INCORPORATED
    Inventors: Marie Jacqueline Monique Comte, Robert Michael Morena, Charlene Marie Smith
  • Patent number: 10399894
    Abstract: The glass sheet of the present invention is a glass sheet with a thickness of 1.6 mm or less produced by a float process in which a molten glass material is formed into a sheet on a molten metal. When one surface of the glass sheet kept in contact with the molten metal during the formation of the molten glass material into the glass sheet is defined as a first surface and the other surface of the glass sheet opposite to the first surface is defined as a second surface, at least the first surface has been subjected to a treatment for forming a densified dealkalized layer therein. An etching rate ER1 (nm/min) of the first surface and an etching rate ER2 (nm/min) of the second surface satisfy a relation of ER2/ER1?0.8 when the first surface and the second surface are etched using 0.1 mass % hydrofluoric acid at 50° C. as an etching liquid.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: September 3, 2019
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventors: Hirofumi Hotta, Kazuishi Mitani, Yasuhiro Saito
  • Patent number: 10322960
    Abstract: Controlling foam in apparatus downstream of a melter by adjustment of alkali oxide content in the melter. One method includes feeding a feedstock into a submerged combustion melter (SCM) apparatus having an internal space containing a flowing or non-flowing molten mass of foamed glass comprising molten glass and bubbles entrained therein, the molten mass having glass foam comprising glass foam bubbles on at least a portion of a top surface of the molten mass. The molten mass from the SCM is routed to a downstream apparatus, stability of the glass foam in the downstream apparatus is observed, and alkali oxide percentage fed to the SCM apparatus is adjusted based on the observation to positively or negatively affect the foam stability. Systems for carrying out the methods, and the products of the methods are also considered novel and inventive.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: June 18, 2019
    Assignee: Johns Manville
    Inventors: Marlon Keith Martin, Kristina Jevicova, Jeffrey M Shock, Mark William Charbonneau
  • Patent number: 10273049
    Abstract: Delamination resistant glass containers with heat-tolerant coatings are disclosed. In one embodiment, a glass container may include a glass body having an interior surface, an exterior surface and a wall thickness extending from the exterior surface to the interior surface. At least the interior surface of the glass body is delamination resistant. The glass container may further include a heat-tolerant coating positioned on at least a portion of the exterior surface of the glass body. The heat-tolerant coating may be thermally stable at temperatures greater than or equal to 260° C. for 30 minutes.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: April 30, 2019
    Assignee: CORNING INCORPORATED
    Inventors: Kaveh Adib, Dana Craig Bookbinder, Theresa Chang, Paul Stephen Danielson, Steven Edward DeMartino, Melinda Ann Drake, Andrei Gennadyevich Fadeev, James Patrick Hamilton, Robert Michael Morena, Santona Pal, John Stephen Peanasky, Chandan Kumar Saha, Robert Anthony Schaut, Susan Lee Schiefelbein, Christopher Lee Timmons
  • Patent number: 10252941
    Abstract: Chemically strengthened glass and a method for making utilizing differential chemistry are provided. The method includes providing a substrate having a glass chemical structure. Host alkali ions are situated in the chemical structure. The substrate has a treatment-rich volume and a treatment-poor volume located as opposed to each other in the substrate. The method also includes providing an exchange medium characterized by including a composition associated with an ion exchange rate of invading alkali ions having an average ionic radius that is larger than an average ionic radius of the host alkali ions. The method also includes providing a modified exchange medium including a modified composition associated with a modified ion exchange rate of the invading alkali ions. The method also includes applying the exchange mediums and conducting ion exchange to produce the strengthened substrate.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: April 9, 2019
    Assignee: Saxon Glass Technologies, Inc.
    Inventor: Patrick K. Kreski
  • Patent number: 10227253
    Abstract: A method of strengthening an alkali aluminoborosilicate glass. A compressive layer extending from a surface of the glass to a depth of layer is formed by exchanging larger metal cations for smaller metal cations present in the glass. In a second step, metal cations in the glass are exchanged for larger metal cations to a second depth in the glass that is less than the depth of layer and increase the compressive stress of the compressive layer. Formation of the compressive layer and replacement of cations with larger cations can be achieved by a two-step ion exchange process. An alkali aluminoborosilicate glass having a compressive layer and a crack indentation threshold of at least 3000 gf is also provided.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: March 12, 2019
    Assignee: CORNING INCORPORATED
    Inventors: Sinue Gomez, Lisa Ann Lamberson, Robert Michael Morena
  • Patent number: 10196304
    Abstract: An object is to provide a glass for chemical toughening treatment satisfying low brittleness, low melt viscosity and high chemical toughening characteristics, and a chemically toughened glass using the same. Provided is a glass for chemical toughening treatment containing, in mass % in terms of oxides, SiO2 63 to 76, B2O3 0 to 2, Al2O3 2 to 10, MgO 2 to 12, CaO 0.1 to 8, Na2O 14.5 to 19, K2O 0 to 3, and Fe2O3 0 to 0.5, satisfying a total content of alkali earth metal oxides (RO) being from 5 to 15, satisfying 15×MgO/RO?RO?3, and having a temperature T2 at which a glass viscosity reaches 102 dPa·s being 1,600° C. or lower.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: February 5, 2019
    Assignee: AGC Inc.
    Inventors: Junko Miyasaka, Seiki Ohara
  • Patent number: 10173923
    Abstract: A tempered glass has a compressive stress layer in a surface thereof, includes as a glass composition, in terms of mass %, 50 to 80% of SiO2, 10 to 30% of Al2O3, 0 to 6% of B2O3, 0 to 2% of Li2O, and 5 to 25% of Na2O, and is substantially free of As2O3, Sb2O3, PbO, and F.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: January 8, 2019
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Kosuke Kawamoto, Takashi Murata, Takako Tojyo
  • Patent number: 10175398
    Abstract: An infrared optical filter may include a glass ceramic layer, a multilayer oxide thin film formed on a first surface of the glass ceramic layer, and a low reflectivity coating layer formed on a second surface of the glass ceramic layer.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: January 8, 2019
    Assignee: Hyundai Motor Company
    Inventors: Sung June Park, Sang Young Kim
  • Patent number: 10150889
    Abstract: Poly fluorine-containing siloxane coatings having improved hydrophobic and oleophobic properties and solutions for creating such coatings are provided. In some embodiments, the coating includes a polymer having a plurality of Si—O—Si linkages; and at least two fluorine-containing moieties, each attached to at least one of the Si—O—Si linkages. Each fluorine-containing moiety independently includes a linking portion attached to a silicon of one of the Si—O—Si linkages, wherein the linking portion is of a formula selected from the group consisting of: —[CH2]a— where a is an integer from 1 to 10 and —[CH2]bCONH[CH2]c— where b and c are independently an integer from 0 to 10. Each fluorine-containing moiety also independently includes a fluorinated portion attached to the linking portion, wherein the fluorinated portion is selected from a fluorinated-alkyl group having 1-10 carbon atoms and a perfluoro-ether containing organic group.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: December 11, 2018
    Assignee: Honeywell International Inc.
    Inventors: Ya Qun Liu, Bright Zhang, Huifeng Duan, Wanchao Jiang, Yunzi Jiang, Zhe Ding, David K. Chen, Yanming Shen, Wei Jun Wang
  • Patent number: 10144670
    Abstract: The present invention relates to a chemically strengthened glass, in which CT1 and CT5 satisfy CT5/CT1?0.85, the CT1 satisfies CT1>?38.7×ln(t/1000)+48.2 [MPa] and an internal energy density rE satisfies rE?23.3×t/1000+15 [kJ/m2]. CS is a surface compressive stress value [MPa], ? (x) is a compressive stress value [MPa] at a position x in a depth direction, DOL is a compressive stress depth [?m], and t is a sheet thickness [?m].
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: December 4, 2018
    Assignee: AGC Inc.
    Inventors: Kosho Akatsuka, Satoshi Ogami
  • Patent number: 10118856
    Abstract: What is disclosed is a lead-free glass, which is a V2O5—TeO2—RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO)—ZnO glass and has a low softening point, comprising: 5-55 wt % of V2O5, 5-75 wt % of TeO2, 1-25 wt % of RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO) in total, 0.1-6 wt % of ZnO, and 0.1-3 wt % of R2O (at least one selected from the group consisting of Li2O, Na2O, and K2O) in total. This glass can be used as a sealing material providing fluidity which is capable of being sealed at a temperature of 400° C. or less.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: November 6, 2018
    Assignee: Central Glass Company, Limited
    Inventors: Masamichi Yanagisawa, Jun Hamada
  • Patent number: 10071933
    Abstract: A chemically toughened ultrathin glass is provided. The glass has a thickness less than 500 ?m and a surface compressive layer having a depth of at most 30 ?m. The toughened ultrathin glass sheet is more flexible and has extraordinary thermal shock resistance with the glass being easier to handle for processing.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: September 11, 2018
    Assignee: SCHOTT GLASS TECHNOLOGIES (SUZHOU) CO. LTD.
    Inventors: Xi Wang, Feng He, Jose Zimmer
  • Patent number: 10040715
    Abstract: A fining agent for reducing the concentration of seeds or bubbles in a silicate glass. The fining agent includes at least one inorganic compound, such as a hydrate or a hydroxide that acts as a source of water. In one embodiment, the fining agent further includes at least one multivalent metal oxide and, optionally, an oxidizer. A fusion formable and ion exchangeable silicate glass having a seed concentration of less than about 1 seed/cm3 is also provided. Methods of reducing the seed concentration of a silicate glass, and a method of making a silicate glass having a seed concentration of less than about 1 seed/cm3 are also described.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: August 7, 2018
    Assignee: CORNING INCORPORATED
    Inventors: Matthew John Dejneka, Sinue Gomez
  • Patent number: 9956146
    Abstract: The invention relates to a process for preparing dental restorations, wherein a lithium silicate glass ceramic or a lithium silicate glass is used which contains at least 8.5 wt.-% transition metal oxide selected from the group consisting of oxides of yttrium, oxides of transition metals with an atomic number from 41 to 79 and mixtures of these oxides.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: May 1, 2018
    Assignee: Ivoclar Vivadent AG
    Inventors: Christian Ritzberger, Wolfram Höland, Marcel Schweiger, Volker Rheinberger
  • Patent number: 9878940
    Abstract: Embodiments of the present disclosure pertain to crystallizable glasses and glass-ceramics that exhibit a black color and are opaque. In one or more embodiments, the crystallizable glasses and glass-ceramics include a precursor glass composition that exhibits a liquidus viscosity of greater than about 20 kPa*s. The glass-ceramics exhibit less than about 20 wt % of one or more crystalline phases, which can include a plurality of crystallites in the Fe2O3—TiO2—MgO system and an area fraction of less than about 15%. Exemplary compositions used in the crystallizable glasses and glass-ceramics include, in mol %, SiO2 in the range from about 50 to about 76, Al2O3 in the range from about 4 to about 25, P2O5+B2O3 in the range from about 0 to about 14, R2O in the range from about 2 to about 20, one or more nucleating agents in the range from about 0 to about 5, and RO in the range from about 0 to about 20.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: January 30, 2018
    Assignee: CORNING INCORPORATED
    Inventors: David Eugene Baker, Matthew John Dejneka, Indrajit Dutta, Robert Michael Morena, Charlene Marie Smith
  • Patent number: 9840435
    Abstract: The present invention provides a cover glass for a display, having high durability to slow cracking and strong abraded strength even though a compressive stress is large and a depth of a compressive stress layer is deep. The present invention relates to a cover glass for a display, in which a depth of a compressive stress layer (DOL) is 30 ?m or more, a surface compressive stress is 300 MPa or more, a position (HW) at which a compressive stress is half of a value of the surface compressive stress is a position of 8 ?m or more from a glass surface, and the depth of the compressive stress layer (DOL) and the position (HW) at which the compressive stress is half of the value of the surface compressive stress satisfy the following formula: 0.05?HW/DOL?0.23??(1).
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: December 12, 2017
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Seiki Ohara, Kazutaka Ono, Tetsuya Nakashima, Hiroyuki Ohkawa
  • Patent number: 9834472
    Abstract: A method of manufacturing glass ceramic articles such as glass ceramic plates for cooktops or fireplace windows is provided. The method facilitates the adjustment of a specific hue or a specific absorptivity of the glass ceramic in the visible spectral range. The method is based on the finding that the absorption of light by coloring agents which are appropriate for or present in glass ceramics can be attenuated during the ceramization process by adding substances that have a decoloring effect.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: December 5, 2017
    Assignee: SCHOTT AG
    Inventors: Falk Gabel, Friedrich Siebers, Ulrich Schiffner, Evelin Weiss
  • Patent number: 9825012
    Abstract: A light-emitting device of an embodiment of the present application comprises light-emitting units; a transparent structure having cavities configured to accommodate at least one of the light-emitting units; and a conductive element connecting at least two of the light-emitting units.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: November 21, 2017
    Assignee: EPISTAR CORPORATION
    Inventor: Min Hsun Hsieh
  • Patent number: 9822032
    Abstract: An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B2O3, and alkali metal oxides, and contains boron cations having three-fold coordination. The glass, when ion exchanged, has a Vickers crack initiation threshold of at least 10 kilogram force (kgf).
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: November 21, 2017
    Assignee: CORNING INCORPORATED
    Inventors: Matthew John Dejneka, Adam James Ellison, John Christopher Mauro
  • Patent number: 9815735
    Abstract: Disclosed is a lead-free glass, which is characterized by comprising 5-55 weight % of V2O5, 5-75 weight % of TeO2, 6-20 weight % of a total of RO (at least one selected from the group consisting of MgO, CaO, SrO and BaO) and 0.1-6 weight % of ZnO in a glass component, V2O5+TeO2+RO+ZnO being 70 weight % or greater. From this lead-free glass, a sealing material having fluidity which is capable of sealing at 400° C. or lower can be obtained.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: November 14, 2017
    Assignee: Central Glass Company, Limited
    Inventors: Masamichi Miyazawa, Jun Hamada
  • Patent number: 9802854
    Abstract: A strengthened glass sheet is separated into undamaged sheet segments by mechanically scribing one or more vent lines of controlled depth into the sheet surface, the depths of the scribed lines being insufficient to effect sheet separation, and then applying a uniform bending moment across the vent lines to effect separation into multiple sheet segments, the vent lines being scribed from crack initiation sites comprising surface indentations formed proximate to the edges of the glass sheet.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: October 31, 2017
    Assignee: CORNING INCORPORATED
    Inventors: John Frederick Bayne, James William Brown, Michael Albert Joseph, II, Siva Venkatachalam, Sujanto Widjaja
  • Patent number: 9801297
    Abstract: Disclosed are device display screen protectors comprising a first strengthened substrate sized to cover a display screen of an electronic device, the first strengthened substrate having a central tension value in the range greater than 0 MPa and less than 20 MPa, a surface having a Knoop lateral cracking scratch threshold of at least 3 N.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 24, 2017
    Assignee: CORNING INCORPORATED
    Inventors: Jaymin Amin, Joshua Michael Jacobs, Jonathan David Pesansky, Kevin Barry Reiman, Ananthanarayanan Subramanian
  • Patent number: 9789665
    Abstract: The present disclosure relates to an alkali-aluminosilicate glass which contains between 47.5 and 55 wt.% SiO2, between 21 and 27.5% Al2O3; and between 12 and 16 wt.% Na2O. The molar ratio of Al2O3 and Na2O amounts to between 1:0.9 and 1:1.2. This glass is characterized by high hardness and high surface strengths after its chemical toughening, whereby the resulting extremely high scratch resistance favors its use as a display glass. A further preferred feature of this glass is its much lower viscosity for this group of glasses.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: October 17, 2017
    Assignee: Taiwan Glass Inc. Corp.
    Inventors: Chia-Hung Lin, Sven Wiltzsch, Lars Bienneck, Gunter Carl, Hans-Juergen Linz
  • Patent number: 9790128
    Abstract: A method for forming ion-exchanged regions in a glass article by contacting an ion source with at least one surface of the glass article, forming a first ion-exchanged region in the glass article by heating a first portion of the glass article with a laser, and forming a second ion-exchanged region in the glass article. Characteristics of the first ion-exchanged region may be different from characteristics of the second ion-exchanged region. A depth of the ion-exchanged region may be greater than 1 ?m. A glass article including a first ion-exchanged region, and a second ion-exchanged region having different characteristics from the first ion-exchanged region. The thickness of the glass article is less than or equal to about 0.5 mm.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: October 17, 2017
    Assignee: CORNING INCORPORATED
    Inventors: Sean Matthew Garner, Ming-Jun Li, Xinghua Li
  • Patent number: 9783453
    Abstract: Alkali aluminosilicate glasses that are resistant to damage due to sharp impact and capable of fast ion exchange are provided. The glasses comprise at least 4 mol % P2O5 and, when ion exchanged, have a Vickers indentation crack initiation load of at least about 7 kgf.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: October 10, 2017
    Assignee: CORNING INCORPORATED
    Inventor: Timothy Michael Gross
  • Patent number: 9766731
    Abstract: A method for manufacturing an edge-chamfered OGS touch panel is disclosed. Before a pre-prepared glass substrate is subjected to etching, an upper lamination film and a lower lamination film are respectively laminated on upper and lower surfaces of the glass substrate. The upper lamination film is smaller than the lower lamination film so that when the upper lamination film is laminated on the surface of the glass substrate, an edge exposure zone is preserved on the glass substrate at a location adjacent to a substrate edge. When the substrate edge of the glass substrate is subjected to etching, a chamfered edge is formed on the touch operation surface of the glass substrate that is adjacent to the substrate edge.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: September 19, 2017
    Assignee: Ghitron Technology Co., Ltd.
    Inventor: Chun-Yuan Lee
  • Patent number: 9758428
    Abstract: An antimicrobial chemically strengthened glass and a method for manufacturing the chemically strengthened antimicrobial glass. The antimicrobial chemically strengthened glass includes an antimicrobial surface layer having at least 0.1 at % of silver ions and at least 0.1 at % of copper ions, wherein the chemically strengthened antimicrobial glass has a CIE color channel b* of less than 1.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: September 12, 2017
    Assignee: KORNERSTONE MATERIALS TECHNOLOGY COMPANY, LTD.
    Inventors: WeiWei Zhang, Danny Cai, Frank Hung, Eric Chan, Jack Y. Ding
  • Patent number: 9682885
    Abstract: Alkali aluminosilicate glasses that are resistant to damage due to sharp impact and capable of fast ion exchange are provided. The glasses comprise at least 4 mol % P2O5 and, when ion exchanged, have a Vickers indentation crack initiation load of at least about 7 kgf.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: June 20, 2017
    Assignee: CORNING INCORPORATED
    Inventor: Timothy Michael Gross
  • Patent number: 9664375
    Abstract: An article including at least one lighting zone, manufacture of the article, and a cooking apparatus including such an article when in a form of a glass-ceramic plate. The article includes at least one glass-ceramic substrate, and at least one light guide, the light guide coupled to at least one light source on one side outside of the lighting zone, and including, in the lighting zone, at least one mechanism of extracting radiation emitted by the light source.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: May 30, 2017
    Assignee: EUROKERA S.N.C.
    Inventors: Pierrick Guiset, Jean-Yves Laluet, Claire Mallet
  • Patent number: 9650284
    Abstract: An aluminosilicate glass composition comprising: (a) 10-35% by weight of silica; (b) 10-35% by weight of alumina; (c) 3-30% by weight of zinc oxide; (d) 4-30% by weight P205; and (e) 3-25% by weight of fluoride which contains at most 3% by weight of alkaline metals calculated as M20, wherein M is Li, Na, and/or K, and wherein the weight ratio of the sum of zinc oxide and fluoride to P205 of from 0.8 to 3.0.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: May 16, 2017
    Assignee: Dentsply International Inc.
    Inventor: Gordon Blackwell
  • Patent number: 9644115
    Abstract: A fluorochemical coating composition is provided comprising (A) a hydrolyzable group-containing silane modified with a fluoropolyether-containing polymer and (B) a hydrolyzable group-containing silane modified with a fluoropolyether-polysiloxane copolymer in a weight ratio (A)/(B) of 40/60 to 95/5. The composition forms on a substrate a water/oil repellent layer which does not detract from the visibility of the substrate.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: May 9, 2017
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuji Yamane, Takashi Matsuda, Ryusuke Sakoh
  • Patent number: 9630873
    Abstract: Float glass compositions adapted for chemical strengthening, and methods of making the same. Certain example embodiments of this invention relate to such a glass composition having improved ion-exchanged, surface durability, and/or mechanical properties for use in applications where higher strength and improved durability of the glass are desired.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: April 25, 2017
    Assignee: Guardian Industries Corp.
    Inventors: Kevin R. Fulton, Kirk McMenamin, Glenn A. Cerny, Zhaoyu Wang, Samuel Olson
  • Patent number: 9604876
    Abstract: A glass sheet, the thickness of which is at most 2 mm, including a surface zone under compression and a central zone under tension, such that the depth at which the transition between compression and tension occurs is at least 100 micrometers, the ratio between the depth and the thickness being at least 0.1, the sheet additionally being such that the flexural stress at break in a “ring-on-tripod” test is at least 70 MPa, after Vickers indentation under a load of 60 N.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: March 28, 2017
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: René Gy, Julien Sellier, Hugues Obame
  • Patent number: 9522841
    Abstract: A white glass includes, in terms of mole percentage on the basis of oxides, from 50 to 73% of SiO2, from 0 to 10% of B2O3, from 3 to 17% of Na2O, from 0.5 to 10% of at least one of Nb2O5 and Gd2O3, and from 0.5 to 10% of P2O5. In the white glass, a total content RO of MgO, CaO, SrO and BaO is from 2 to 25%.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: December 20, 2016
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Junko Miyasaka, Seiki Ohara
  • Patent number: 9517967
    Abstract: An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B2O3, and alkali metal oxides, and contains boron cations having three-fold coordination. The glass, when ion exchanged, has a Vickers crack initiation threshold of at least about 30 kilogram force.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: December 13, 2016
    Assignee: Corning Incorporated
    Inventors: Matthew John Dejneka, Adam James Ellison, John Christopher Mauro
  • Patent number: 9472777
    Abstract: A packaging method and a display device are provided. The packaging method comprise: providing a first substrate and a second substrate having a packaging region, wherein a region surrounding by the packaging region of the second substrate is provided with a device to be packaged; forming a pattern layer of sealant on the packaging region of the first substrate; bonding the first substrate having the sealant with the second substrate having a device to be packaged so that the packaging region of the first substrate is aligned with the packaging region of the second substrate; and sintering the sealant and applying uniformly a compression force to the packaging region when using a laser to radiate the packaging region.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: October 18, 2016
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Dan Wang
  • Patent number: 9428415
    Abstract: To provide glass having a favorable color tone, and its production process. Glass comprising, as represented by mass percentage based on oxides, at least 60% and at most 75% of SiO2, at least 8% and at most 20% of Na2O, at least 4.5% of MgO, at least 1% and at most 10% of CaO, and at least 0.01% and at most 0.5% of Er2O3.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: August 30, 2016
    Assignee: Asahi Glass Company, Limited
    Inventors: Yuki Kondo, Yuya Shimada, Hiroyuki Hijiya
  • Patent number: 9388064
    Abstract: A tempered glass of the present invention having a compression stress layer is characterized in that a ?-OH value is 0.01 to 0.5/mm. Here, the “?-OH value” is a value obtained from the following equation by measuring the transmittance of glass by FT-IR. ?-OH value=(1/X)log 10(T1/T2) X: thickness of glass (mm) T1: transmittance (%) at a reference wavelength of 3,846 cm?1 T2: minimum transmittance (%) at a hydroxyl group absorption wavelength of around 3,600 cm?1.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: July 12, 2016
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Takashi Murata
  • Patent number: 9340453
    Abstract: This transparent glass substrate has at least one face which is provided with a texturing formed by a plurality of geometric features in relief relative to a general plane of the face, this texturing being adapted in order to ensure a transmission of radiation through the substrate greater than the transmission of radiation through a substrate that is identical but lacks texturing. The face of the substrate is also provided with an antireflection layer having a refractive index between the refractive index of air and the refractive index of the glass. The antireflection layer is an etched out superficial portion of the glass substrate on the side of the face, which comprises a structure based on silica and voids having a characteristic dimension between 0.5 nanometers and 50 nanometers.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: May 17, 2016
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Michele Schiavoni, Marcus Neander, Pascal Roemgens
  • Patent number: 9302938
    Abstract: Chemically strengthened glass and a method for making utilizing differential areal density are provided. The method includes providing a substrate having a glass chemical structure. Host alkali ions are situated in the chemical structure. The substrate has a treatment-rich volume and a treatment-poor volume located as opposed to each other in the substrate. The method also includes providing an exchange medium characterized by having an areal density, associated with an ion exchange rate, of invading alkali ions having an average ionic radius that is larger than an average ionic radius of the host alkali ions. The method also includes providing a modified exchange medium characterized by having a modified areal density, associated with a modified ion exchange rate, of the invading alkali ions. The method also includes applying the exchange mediums and conducting ion exchange to produce the strengthened substrate.
    Type: Grant
    Filed: October 5, 2013
    Date of Patent: April 5, 2016
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventor: Patrick K. Kreski
  • Patent number: 9299869
    Abstract: A tempered glass substrate of the present invention is a tempered glass substrate, which has a compression stress layer on a surface thereof, and has a glass composition comprising, in terms of mass %, 40 to 71% of SiO2, 3 to 21% of Al2O3, 0 to 3.5% of Li2O, 7 to 20% of Na2O, and 0 to 15% of K2O.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: March 29, 2016
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Takashi Murata
  • Patent number: 9284218
    Abstract: Methods for chemically strengthening glass articles, e.g., glass sheets, are disclosed, in which computer-implemented techniques are employed to select the conditions, e.g., times, temperatures, and bath compositions and sizes, used in the chemical strengthening. The computer-implemented techniques can be applied to chemical-strengthening methods that employ more than one ion-diffusion treatment, e.g., more than one ion-exchange treatment or a combination of at least one ion-exchange treatment and at least one heat treatment. Through the use of the computer-implemented techniques, more precisely-controlled ion concentration profiles can be achieved in chemically-strengthened glass articles, which can improve the ultimate mechanical properties of the articles.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: March 15, 2016
    Assignee: CORNING INCORPORATED
    Inventors: John Christopher Mauro, Charlene Marie Smith, Donghui Zhao
  • Patent number: 9199872
    Abstract: The method of environmentally friendly melting and refining a glass melt of a crystallizable glass, which is used for making a lithium aluminum silicate (LAS) glass ceramic, includes the steps of providing a glass batch with a main batch composition within a lithium aluminum silicate (LAS) glass system, in which 0.1-<0.6% by weight of tin oxide has been added as main refining agent, but which does not contain arsenic oxide and/or antimony oxide as refining agent, formulating a raw material mixture for the glass batch, so that less than 40% by weight of the raw material mixture is quartz sand and then refining a glass melt formed from the glass batch at temperatures of at least 1600° C.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: December 1, 2015
    Assignee: SCHOTT AG
    Inventors: Klaus Schoenberger, Friedrich Siebers, Ioannis Kosmas, Matthias Stubenrauch, Horst Blei, Reiner Best, Eckhart Doering, Udo Jakob
  • Patent number: 9193625
    Abstract: A glass article having an engineered stress profile. The central or core region of the glass is in compression and the surface or outer region of the glass is either under neutral stress or in compression. The outer surface region and the core region are separated by an intermediate region that is under tension. A flaw that penetrates the outer region in compression will propagate in the underlying tensile intermediate layer, but will not penetrate though the compressive core region of the glass. The compressive core region prevents flaws from penetrating through the thickness of the glass.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: November 24, 2015
    Assignee: Corning Incorporated
    Inventors: Dana Craig Bookbinder, Timothy Michael Gross
  • Patent number: 9187365
    Abstract: Methods are provided for measuring the asymmetry of glass-sheet manufacturing processes. The methods include subjecting glass sheets or test samples taken from glass sheets to an ion-exchange process and measuring warp values. Metrics for the asymmetry of the glass-sheet manufacturing process are then obtained from the warp values. In one embodiment, the metric is independent of the geometry of the glass sheets or the test samples (the BM1 metric); in another embodiment, the metric is independent of the geometry of the glass sheets or the test samples and substantially independent of the ion-exchange process used in the testing (the ASYM metric).
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: November 17, 2015
    Assignee: CORNING INCORPORATED
    Inventor: Douglas Clippinger Allan
  • Patent number: 9145329
    Abstract: Alkaline earth alumino-silicate glass compositions with improved chemical and mechanical durability and pharmaceutical packages comprising the same are disclosed herein. In one embodiment a glass composition may include from about 65 mol. % to about 75 mol. % SiO2; from about 6 mol. % to about 12.5 mol. % Al2O3; and from about 5 mol. % to about 12 mol. % alkali oxide. The alkali oxide may include Na2O and K2O. The K2O may be present in an amount less than or equal to 0.5 mol. %. The glass composition may also include from about 8.0 mol. % to about 15 mol. % of at least one alkaline earth oxide. The glass composition is susceptible to strengthening by ion-exchange thereby facilitating chemically strengthening the glass to improve the mechanical durability.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: September 29, 2015
    Assignee: Corning Incorporated
    Inventors: Melinda Ann Drake, Robert Michael Morena