Patents Issued in December 31, 2020
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Publication number: 20200407227Abstract: Described is a method of preparing transition metal nanoparticles on a graphene support, in which a tertiary graphite intercalation compound is provided with intercalated metal ions such that the tertiary graphite intercalation compound comprises a graphene sheet having a negative charge. The graphene sheet is contacted with a transition metal salt to cause reduction of the transition metal salt by the graphene sheet, and to form transition metal nanoparticles. Also described are products arising from the method, and uses of those products.Type: ApplicationFiled: February 13, 2019Publication date: December 31, 2020Inventors: Chris Howard, Rhodri Jervis, Daniel Brett, Gyen Angel, Patrick Cullen, Chris Gibbs
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Publication number: 20200407228Abstract: Methods of synthesizing Si—H containing iodosilanes, such as diiodosilane or pentaiododisilane, using a halide exchange reaction are disclosed.Type: ApplicationFiled: September 10, 2020Publication date: December 31, 2020Inventors: Cole RITTER, Gennadiy ITOV, Manish KHANDELWAL, Jean-Marc GIRARD, Glenn KUCHENBEISER, Sean KERRIGAN, Peng ZHANG, Larry Kit-wing LEUNG, Nicolas BLASCO
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Publication number: 20200407229Abstract: The invention relates to methods of production of a silica concentrate from geothermal fluids. More particularly, although not exclusively, the invention relates to the production of a colloidal silica concentrate, colloidal silica or precipitated silica from high temperature geothermal fluids by ultrafiltration to produce size-specific silica colloids and step-wise concentration of silica to avoid precipitation or gelling.Type: ApplicationFiled: July 13, 2020Publication date: December 31, 2020Inventors: Andrew W. Mitchelmore, Michael T. O'Sullivan, John Lea
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Publication number: 20200407230Abstract: A method for producing a silica sol containing a small amount of metal impurities and in which colloidal silica having an elongated particle shape dispersed in a solvent, includes: preparing a raw material liquid by adding a compound as an anion source selected from inorganic acids, organic acids, and their ammonium salts, and ammonia to a colloidal aqueous solution of activated silica having an SiO2 concentration of 1 to 6% by mass and a pH of 2 to 5 so that the mass ratio of the compound to SiO2 is 3.0 to 7.0%; and heating the raw material liquid at 80 to 200° C. for 0.5 to 20 hours. The elongated colloidal silica particles exhibit a DL/DB ratio of 2.5 or more. DL is an average particle diameter as measured by the dynamic light scattering method. DB is a primary particle diameter as measured by the nitrogen gas adsorption method.Type: ApplicationFiled: February 25, 2019Publication date: December 31, 2020Applicant: NISSAN CHEMICAL CORPORATIONInventors: Satoru MURAKAMI, Takuya FUKUOKA, Kazuya KUROIWA
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Publication number: 20200407231Abstract: Provided is a hydrophobic silica aerogel precursor, and a hydrophobic silica aerogel produced using the same. In the methods, a linear silane crosslinking agent containing a PEG-derived unit is introduced when preparing a hydrophobic aerogel precursor, resulting in the production of a hydrophobic silica aerogel having improved high-temperature thermal stability and improved physical properties.Type: ApplicationFiled: December 7, 2018Publication date: December 31, 2020Inventors: Hee Jung CHOI, Se Hyun KWON, Yeong Rae CHANG, Seok Hoon JANG
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Publication number: 20200407232Abstract: Certain exemplary embodiments can provide a reactive nano silicate, which can comprise a silica/acid composite comprising reactive functional groups activated by an intramolecular disturber. The reactive functional groups can comprise at least one of —SiH, —SiOH, silazane, durazane, polysilazane, and spiro silazane. The intramolecular disturber can comprise at least one of Fe2O3, Xe2O, SnO2, Al2O3, SiO2, TiO2, or a rare earth element oxide.Type: ApplicationFiled: June 29, 2019Publication date: December 31, 2020Applicant: HK INVENT CORPORATIONInventors: Nguyen Khe, Vo Hoai Linh
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Publication number: 20200407233Abstract: The present invention relates to the process of purification of boric acid by ion exchange method. Boric acid is dissolved in hot demineralized water. The hot solution is pressure-filtered. The hot saturated solution, which is purified from water-insoluble, is passed through a column containing strong cation exchange resin, followed by a column containing weak anion exchange resin at the same temperature and cooled afterwards. The crystals settling by cooling are separated from the mother liquor, the amount of aqueous solution within them is reduced and then dried. The waste solution formed during crystallization and filtrate formed after separation of crystals from aqueous solution are mixed and used in boric acid dissolving process. The developed method enables the reduction of sodium, sulfate, chloride and iron impurities of technical grade boric acid to less than 1 ppm and is more economic and environmental friendly than current methods.Type: ApplicationFiled: March 14, 2019Publication date: December 31, 2020Applicant: TUBITAKInventors: Iffet YAKAR ELBEYLI, Ahmet BAYKAN, Abdullah Zahid TURAN, Ismail Ersan KALAFATOGLU, Murat BILEN, Erhan TEKTAS, Fazli Cabbar METIN
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Publication number: 20200407234Abstract: A method for manufacturing a lithium hydroxide powder includes a pulverizing step of pulverizing coarse particles of lithium hydroxide to obtain lithium hydroxide powder; and a carbonation-suppressing step of storing the lithium hydroxide powder in an airtight container in an atmosphere satisfying requirements (1) and (2). (1) A partial pressure of carbon dioxide gas is 100 Pa or less with respect to a total amount of gas present in the airtight container. (2) A relative humidity in the airtight container is 60% or less.Type: ApplicationFiled: February 28, 2019Publication date: December 31, 2020Inventors: Kenji GOUDA, Keiichiro SUZUKI, Jun-ichi KAGEURA
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Publication number: 20200407235Abstract: The present invention relates to a method for preparing a CaMgAl mixed oxide comprising the steps: a) providing a modified layered double hydroxide of the formula (I) wherein in formula (I) 0<x<0.9; b is from 0 to 10, preferably 1 to 10; c is from 0 to 10, preferably 1 to 10» and the AMO-solvent is an organic solvent miscible with water; b) calcining the modified layered double hydroxide; c) reacting the calcined modified layered double hydroxide with a calcium salt in the presence of an (a) organic acid; and d) calcining the product obtained in step c) to obtain the CaMgAl mixed oxide; a CaMgAl mixed oxide obtainable this way; and the use thereof.Type: ApplicationFiled: January 7, 2019Publication date: December 31, 2020Applicant: SCG Chemicals Co., Ltd.Inventors: Aunchana WANGRIYA, Chawalit NGAMCHARUSSRIVICHAI, Prissana SANGKHUM
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Publication number: 20200407236Abstract: The present application relates to copper-doped double perovskites, for example, copper-doped double perovskites of the formula (I) and to uses thereof, for example as low-bandgap materials such as a semiconducting material in a device. The present application also relates to methods of tuning the bandgap of a Cs2SbAgZ6 double perovskite (for example, wherein Z is Cl) comprising doping the double perovskite with copper.Type: ApplicationFiled: June 23, 2020Publication date: December 31, 2020Inventors: Vladimir Michaelis, Abhoy Karmakar
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Publication number: 20200407237Abstract: There are provided processes for preparing a metal hydroxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum, the process comprising reacting a metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum with lithium hydroxide, sodium hydroxide and/or potassium hydroxide and optionally a chelating agent in order to obtain a solid comprising the metal hydroxide and a liquid comprising lithium sulfate, sodium sulfate and/or potassium sulfate: separating the liquid and the solid from one another to obtain the metal hydroxide; submitting the liquid comprising lithium sulfate, sodium sulfate and/or potassium sulfate to an electromembrane process for converting the lithium sulfate, sodium sulfate and/or potassium sulfate into lithium hydroxide, sodium hydroxide and/or potassium hydroxide respectively; reusing the sodiuType: ApplicationFiled: November 22, 2018Publication date: December 31, 2020Applicant: NEMASKA LITHIUM INC.Inventors: Guy BOURASSA, Jean-François MAGNAN, Nicolas LAROCHE, Thomas BIBIENNE, Mathieu CHARBONNEAU, Mickaël DOLLÉ
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Publication number: 20200407238Abstract: A point of entry water treatment system is connected between a water supply and a plumbing system. The system includes a valve and a network communications module. The system further includes a water flow meter configured to detect a flow event into the plumbing system and to measure a duration and a flow rate of the flow event. The system also includes a tank with an ion-exchange resin therein. The system is configured for receiving a signal from the water flow meter indicative of a measured flow event. The system may also be configured to close the valve either automatically in response to the signal from the water flow meter or in response to a command received from a remote user interface device.Type: ApplicationFiled: June 26, 2019Publication date: December 31, 2020Inventor: Gregory Scott Carr
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Publication number: 20200407239Abstract: Disclosed is a filter media for removing contaminants such as organic acids from water. The filter media comprises porous particles. The particles have a total pore volume greater than about 0.4 cc/g. The pore volume is primarily or substantially comprised of epipores, that is, pores that are larger than about 5 nm. The filter media may also include a non-porous filter material and a binder. The filter media may be formed into a filter element, with the binder joining particles of the filter media together into a solid body. The percentage of the total pore volume provided by epipores is greater than about 40%. The filter reduces an initial concentration of an organic acid by greater than 80% at a flux greater than 0.76 ml/min/cm2.Type: ApplicationFiled: June 29, 2020Publication date: December 31, 2020Inventors: Andrew Lombardo, Symon Thomas
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Publication number: 20200407240Abstract: Disclosed is a filter element from removing contaminants from water comprised of first filter media particles having a first particle size and second media particles having a second particle size and methods for making such a filter element. The first media particles are adhered to surfaces of the second media particles. A binder connects the second media particles with one another so that interstitial spaces are formed between second media particles. A portion of the smaller first filter media particles are positioned within the interstitial spaces. According to one embodiment of the disclosure water flows through the filter element at a flux greater than about 1.5 ml/min/cm2 has a pressure drop less than 20 psi.Type: ApplicationFiled: June 29, 2020Publication date: December 31, 2020Inventors: Andrew Lombardo, Symon Thomas
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Publication number: 20200407241Abstract: Per- and polyfluoroalkyl substances (PFAS) are destroyed by oxidation in supercritical conditions. PFAS in water can be concentrated and prepared for destruction in a pretreatment phase. Following annihilation of the PFAS in supercritical conditions to levels below 5 parts per trillion (ppt), the water effluent can be used to recover heat, returned to sub-critical conditions, and then released back into the environment.Type: ApplicationFiled: June 29, 2020Publication date: December 31, 2020Inventors: Lindy E. Dejarme, Kavitha Dasu, Russel R. Sirabian, Amy Dindal, Jeffrey Ellis, Amy Heintz, Dan Garbark, Nathan Bryant, John Tallarico, Joseph Casciano, Slawomir Winecki, David Holley, Joshua James, Keith Brown, Doug Hendry, Darwin Argumedo, Aaron Frank
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Publication number: 20200407242Abstract: This publication relates to a method and a system for producing freshwater through a reverse osmosis process in a submerged membrane system requiring a differential pressure over the membrane system. The differential pressure is provided by introducing gas bubbles in the riser device (2) downstream the outlet (7) for fresh water in the riser device (2). The system comprises at least one submerged, reverse osmosis unit (1), with an inlet (4) for water and an outlet (7) for fresh water, a riser device (2) extending from the outlet (7) of the submerged membrane system to at, above or below sea level and a system for providing a low pressure side for the reverse osmosis process.Type: ApplicationFiled: March 6, 2019Publication date: December 31, 2020Inventors: Tor M. STOLPESTAD, Rolf Birger BENDIKSEN
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Publication number: 20200407243Abstract: Disclosed is an apparatus for water treatment, including a membrane separator for solid-liquid separation; and a particle fractionator which has at least two exits of a fractionated solid-liquid mixture produced therein, wherein a liquor containing particles of different sizes including submicron particles is fed to the particle fractionator before a membrane separation by the membrane separator, and wherein a first fraction of the fractionated solid-liquid mixture is returned to the membrane separator from one exit of the at least two exits of the particle fractionator, the first fraction being less than the liquor in terms of content of the submicron particles. This apparatus enables a rapid achievement of suppression of membrane fouling.Type: ApplicationFiled: March 31, 2017Publication date: December 31, 2020Applicant: MEIDENSHA CORPORATIONInventors: Hiroshi NOGUCHI, Guihe TAO, Terutake NIWA, Yasuhiro FUKUZAKI, Yingjie LEE, Jia Ting YEN, Seng Chye CHUA, Bernhard WETT
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Publication number: 20200407244Abstract: Methods for producing a food product that involve use of a cross-flow filtration module are disclosed. The cross-flow filtration module may be used to recycle wastewater effluent and/or to recover antioxidant compounds from the wastewater effluent. In some embodiments, the cross-flow filtration module includes a stainless steel or nickel alloy substrate.Type: ApplicationFiled: July 23, 2018Publication date: December 31, 2020Inventors: Shawn Pan, Brian Anderson, Jake Schneider
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Publication number: 20200407245Abstract: Provided is an electrocoagulation device. The electrocoagulation device includes: a housing having an inner space with an open top; and an electrode part which is disposed in the inner space and in which a plurality of electrode plates are disposed spaced apart from one another at intervals so that pollutants contained in raw water supplied from the outside can be coagulated using the principles of electrocoagulation, wherein the inner space includes: a first chamber into which the raw water is introduced; a second chamber which is formed above the first chamber and in which the electrode part is disposed; and a third chamber which temporarily stores treated water that has completed an electrocoagulation reaction in the second chamber.Type: ApplicationFiled: March 7, 2018Publication date: December 31, 2020Inventors: Jin LEE, Kyung Gu HAN
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Publication number: 20200407246Abstract: The present invention provides methods for removing arsenic from an aqueous solution containing dissolved arsenic using a continuous-flow air-cathode iron electrocoagulation device and current densities of from at least 30 mA·cm?2 to about 250 mA·cm?2. The present invention also provides continuous-flow air-cathode iron electrocoagulation devices having barriers for reducing electrode fouling and maintaining faradaic efficiency for longer periods of time.Type: ApplicationFiled: March 4, 2019Publication date: December 31, 2020Inventors: Ashok GADGIL, Siva Rama Satyam BANDARU, Case VAN GENUCHTEN
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Publication number: 20200407247Abstract: An in-liquid plasma generation device includes a housing which holds a liquid in an internal space, a gas supply tube which includes an opening in the internal space and discharges a gas into the liquid through the opening, a first electrode which has projecting part projecting into the internal space via the opening from inside of the gas supply tube, the projecting part including a conductor covered by a dielectric, a second electrode which surrounds the projecting part of the first electrode and includes a conductor isolated from the liquid by a dielectric, and a voltage applier which applies a voltage to between the first electrode and the second electrode. A space between the projecting part and the second electrode is a flow passage in which the gas discharged from the opening flows.Type: ApplicationFiled: May 22, 2018Publication date: December 31, 2020Inventors: Akira HORIKOSHI, Shohei NAKAMURA, Shigeru TAKATSUJI, Motohiro KONO
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Publication number: 20200407248Abstract: Aspects of the invention include a porous and water-permeable electrode for electrocatalysis comprising: a porous and water-permeable reactive electrochemical membrane (“REM”) comprising: a porous and water-permeable support membrane; wherein the support membrane comprises a titanium metal; and an electrocatalytic coating on at least a portion of the metal support membrane, the electrocatalytic coating being a tin oxide bilayer comprising: a first layer adjacent to and directly contacting the metal support membrane; wherein the first layer comprises tin oxide doped with antimony; and a second layer adjacent to and directly contacting the first layer; wherein the second layer forms a surface of the REM such that the second layer is in direct contact with an aqueous solution when the REM is in contact with the aqueous solution; wherein the second layer comprises tin oxide doped with antimony and nickel or cerium. Preferably, the support membrane is formed of a titanium metal.Type: ApplicationFiled: June 25, 2020Publication date: December 31, 2020Inventors: Yang YANG, Michael R. Hoffmann
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Publication number: 20200407249Abstract: The present invention relates to an electrode for electrochlorination processes, optionally operable under polarity reversal conditions, comprising an active layer provided with a doped Ru—Ti catalytic composition.Type: ApplicationFiled: March 13, 2019Publication date: December 31, 2020Inventors: Anna RAMUNNI, Fabio TIMPANO
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Publication number: 20200407250Abstract: The invention pertains to a method of optimizing the chemical precipitations process in water treatment plants and waste water treatment plants using an aluminum based coagulant, wherein the optimization, which comprises the degree of contamination of the Clear water phase after precipitation and sludge separation, cost of operation and sludge production, is obtained by in situ regulation, of precipitation pH, amount of coagulant that is used in the precipitation process and the basicity of the coagulant, based at least on online measurement of degree of contamination, pH, flow and temperature of incoming untreated water and/or in the clear water phase, characterized in that the basicity of the coagulant is regulated by adding in situ, to a stock solution of polymerized aluminum based coagulant (A), acid or a solution of an aluminum based coagulant (B) having a lower basicity than the polymerized aluminum based coagulant (A) in the stock solution.Type: ApplicationFiled: February 12, 2019Publication date: December 31, 2020Inventor: David ULMERT
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Publication number: 20200407251Abstract: A treatment for a large body of water to make the water suitable for recreational purposes is disclosed. A sedimentation zone and a dissipation zone are designated in the water body. A disinfection method based on a CT index and a flocculant composition are utilized in the sedimentation zone to aid in the settling of different microorganisms and/or contaminants. Also, the water in the sedimentation zone is minimally disturbed to facilitate the sedimentation process. A permanent chlorine residual is maintained in the dissipation zone by adding an efficient amount of a chlorine disinfectant such that at least a 0.5 mg/L free chlorine level is maintained in the water volume. Water is injected into the dissipation zone by means of one or more inlet nozzles. Along with natural currents produced by winds and water temperature differences, a water dissipation pattern from within the dissipation zone into the sedimentation zone is generated.Type: ApplicationFiled: June 28, 2019Publication date: December 31, 2020Inventor: Fernando Benjamin FISCHMANN
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Publication number: 20200407252Abstract: The present application discloses a method of binding a metal ion in water. The method comprises contacting the water with a fraction of dissolved organic material (DOM) to form a complex between the DOM fraction and the metal ion; and optionally separating the complex from the water. The present application also discloses a use of DOM for binding a metal ion in water.Type: ApplicationFiled: September 11, 2020Publication date: December 31, 2020Inventors: Celine GUEGUEN, Vaughn MANGAL
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Publication number: 20200407253Abstract: The present invention discloses a filler component based on the Internet of Things (IoT). The filler component includes a main board, a first piece, a second piece, an accessory piece, a plurality of first through holes, and a plurality of second through holes. The main board includes a first curved surface and a second curved surface arranged opposite to each other and that are configured to form a double elliptical cross structure having a cavity. The first piece, the second piece, and the accessory piece are respectively fixed in the cavity of the main board. The first and second pieces are perpendicular to each other, and the accessory piece is parallel to the second piece and perpendicular to the first piece. The plurality of first through holes is arranged on the main board; the plurality of second through holes is arranged on the first piece and/or second piece.Type: ApplicationFiled: September 27, 2018Publication date: December 31, 2020Applicant: GER North America, LLCInventor: Wenguang Chai
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Publication number: 20200407254Abstract: An ion removing system having an ion removing apparatus that includes a fine bubble generating part generating fine bubbles and that causes the fine bubbles to adsorb metal ions to remove the metal ions from the hard water due to supply the fine bubbles generated by the fine bubble generating part into the hard water. In addition, the ion removing system includes a primary-side flow path to supply the hard water to the ion removing apparatus, a separating apparatus that separates crystals of a metal component deposited by crystallizing the metal ions removed from the hard water by the ion removing apparatus, and a secondary-side flow path that takes out, from the separating apparatus, treated water obtained by separating the crystals. The primary-side flow path is provided with a supply-side backflow prevention mechanism.Type: ApplicationFiled: October 19, 2018Publication date: December 31, 2020Inventors: Tomohiro AKITA, Yasunari MAEDA, Ayane KIHARA
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Publication number: 20200407255Abstract: The present invention provides a method for separating an organic matter from a natural water body, and belongs to the field of water purification. In the present invention, organic matters in the natural water body are divided into six categories, and three different kinds of resins are used, namely an XAD-7HP macroporous adsorption resin, a 15-WET strong-acid cation exchange resin and an A-23 weak-base anion exchange resin; the XAD-7HP macroporous adsorption resin sequentially adsorbs a hydrophobic neutral (HPON), a hydrophobic base (HPOB) and a hydrophobic acid (HPOA) in the natural water body, then the 15-WET strong-acid cation exchange resin absorbs a hydrophilic base (HPIB), and finally, the A-23 weak-base anion exchange resin adsorbs a hydrophilic acid (HPIA), retaining a hydrophilic neutral (HPIN) in the remaining water body.Type: ApplicationFiled: January 7, 2020Publication date: December 31, 2020Applicant: Jilin Jianzhu UniversityInventors: Yingzi Lin, Huan Lin, Zunjing LV, Zeming Zhao
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Publication number: 20200407256Abstract: The present invention discloses a highly effective in situ treatment method for endogenous pollution in sludge, belonging to the field of environmental engineering water treatment. In view of the problem that it is difficult to effectively treat the endogenous pollution of river sludge, the present invention provides the highly effective in situ treatment method for endogenous pollution in sludge, which specifically adopts a combination of phoslock, calcium peroxide and aluminum modified zeolite to perform in-situ remediation of sludge, effectively inhibit the release of endogenous pollution of sludge, facilitate the ecological treatment of polluted water subsequently, and finally realize the long-term water improvement against pollution.Type: ApplicationFiled: April 27, 2018Publication date: December 31, 2020Inventors: Yimin ZHANG, Ming KONG, Longmian WANG, Ruihua MENG, Yuexiang GAO, Jianying CHAO, Fei YANG, Fuquan PENG, Yueming ZHU
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Publication number: 20200407257Abstract: Devices and methods of using a burner and/or a protective cap for a melting chamber are disclosed. In particular, the melting chamber includes a chamber wall and a burner. The chamber wall has a longitudinal axis and forms a passage having a passage axis transverse to the longitudinal axis. The chamber wall also has an inner wall surface with an inner wall edge extending about the passage. The burner is positioned in the passage and has a tubular body with a burner end spaced away from the inner wall edge so that a space exists between the burner end and the inner wall edge. The tubular body also has an outer burner diameter, an inner burner diameter, and a central conduit within the inner burner diameter.Type: ApplicationFiled: June 28, 2019Publication date: December 31, 2020Inventors: SHANE T RASHLEY, LIMING SHI, ZHONGMING WANG
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Publication number: 20200407258Abstract: A glass container includes legible indicia having an indicia outer surface coextensive with an outer surface of an adjacent portion of the container and with no V-shaped depressions, and having an indicia inner surface that protrudes radially inwardly with respect to an inner surface of the container adjacent to the indicia inner surface.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Inventors: Edward A. Grant, Delia Norith Sanchez Parada
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Publication number: 20200407259Abstract: A glass article with a length equal to or greater than about 880 mm, a width orthogonal to the length equal to or greater than about 680 mm and a thickness T defined between first and second major surfaces is described. A total thickness variation TTV across the width of the glass article equal to or less than about 4 ?m. A maximum sliding interval range MSIR obtained from a predetermined interval moved in 5 mm increments across a width of the glass article is equal to or less than about 4 ?m. A method of making the glass article, and an apparatus therefor are also disclosed.Type: ApplicationFiled: September 11, 2020Publication date: December 31, 2020Inventors: Andrea Weiss Bookbinder, Bradley Frederick Bowden, Ronald Lee Kimball, Steven Howard Tarcza, William Anthony Whedon
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Publication number: 20200407260Abstract: A glass-based article includes a first major surface and a first compressive stress region extending to a first depth of compression from the first major surface. The glass-based article includes a second major surface including a first surface portion and one or more edge surface portions recessed from the first surface portion. The glass-based article includes a second compressive stress region extending to a second depth of compression from the first surface portion. Additionally, methods of manufacturing a glass-based article are disclosed.Type: ApplicationFiled: June 26, 2020Publication date: December 31, 2020Inventors: Sumalee Likitvanichkul Fagan, Jason Thomas Harris, Jean Philippe Michel Peraud, Rohit Rai
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Publication number: 20200407261Abstract: Glass separation systems for separating glass substrates from a continuous glass ribbon are disclosed. In one embodiment, the system may include an A-surface nosing bar positioned on a first side of a glass conveyance pathway. A long axis of the A-surface nosing bar may be substantially orthogonal to a conveyance direction of the glass conveyance pathway. The glass separation system may further comprise a B-surface nosing bar positioned on a second side of the glass conveyance pathway and opposite the A-surface nosing bar. A long axis of the B-surface nosing bar may be substantially orthogonal to the conveyance direction of the glass conveyance pathway. The A-surface nosing bar and the B-surface nosing bar may be pivotable about axes of rotation parallel to the conveyance direction of the glass conveyance pathway.Type: ApplicationFiled: February 5, 2019Publication date: December 31, 2020Inventors: Tai Hsin Chang, Kun Chih Chen, Ying Hao Chen, Charles Robert Rumsey
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Publication number: 20200407262Abstract: Apparatuses and methods for heating moving continuous glass ribbons at desired lines of separation and/or for separating glass sheets from continuous glass ribbons are disclosed. An apparatus includes a translatable support portion and a heating apparatus coupled to the support portion. The heating apparatus is configured to contact the continuous glass ribbon across at least a portion of a width of the continuous glass ribbon at the desired line of separation as the support portion moves in a draw direction, thereby preferentially applying heat to a first side of the continuous glass ribbon at the desired line of separation as the continuous glass ribbon moves in the draw direction.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Inventors: Dennis William Buckley, Gary Lamont Hively, Michael Albert Joseph, II, Jason Rudolph Koch, Ritesh Satish Lakhkar, Mark Thomas Massaro, Robert Richard Quiel, Richard Alan Quinn
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Publication number: 20200407263Abstract: A method for the production of glass or glass ceramic elements from flat glass or glass ceramic parts is provided where the edges of the glass or glass ceramic elements are treated by a combination of two processes. The flat glass or glass ceramic element with an edge surface connecting the two side surfaces is produced. The edge surface has at least one first elongated, strip-shaped edge region and at least one second elongated strip-shaped edge region, which are formed by a ground edge. The edge regions extend in the longitudinal direction along the edge surface and along the side surfaces. The first edge region has elongated parallel filamentary damages that are parallel and adjacent to one another and, in particular, spaced apart equidistantly, in the longitudinal direction thereof extending transversely to the side surfaces and along the surface of the first edge region.Type: ApplicationFiled: September 15, 2020Publication date: December 31, 2020Applicant: SCHOTT AGInventors: Volker PLAPPER, Fabian WAGNER, Andreas ORTNER, Albrecht SEIDL, Frank-Thomas LENTES
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Publication number: 20200407264Abstract: A glass has a density of 2.60 g/cm3 or lower, a Young's modulus of 88 GPa or more, a strain point of 650 to 720° C., a temperature T4 at which a glass viscosity reaches 104 dPa·s of 1,320° C. or lower, a glass surface devitrification temperature (Tc) of T4+20° C. or lower, and an average coefficient of thermal expansion of 30×10?7 to 43×10?7/° C. at 50 to 350° C. The glass contains, as represented by mol % based on oxides, 50 to 80% of SiO2, 8 to 20% of Al2O3, 0 to 0.5% in total of at least one kind of alkali metal oxide selected from the group consisting of Li2O, Na2O and K2O, and 0 to 1% of P2O5.Type: ApplicationFiled: September 10, 2020Publication date: December 31, 2020Applicant: AGC INC.Inventors: Hirofumi TOKUNAGA, Kazutaka ONO
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Publication number: 20200407265Abstract: An alkali free glass has an average coefficient of thermal expansion at 50 to 350° C. of 30×10?7 to 43×10?7/° C., a Young's modulus of 88 GPa or more, a strain point of 650 to 725° C., a temperature T4 at which a viscosity reaches 104 dPa·s of 1,290° C. or lower, a glass surface devitrification temperature (Tc) of T4+20° C. or lower, and a temperature T2 at which the viscosity reaches 102 dPa·s of 1,680° C. or lower. The alkali free glass contains, as represented by mol % based on oxides, 62 to 67% of SiO2, 12.5 to 16.5% of Al2O3, 0 to 3% of B2O3, 8 to 13% of MgO, 6 to 12% of CaO, 0.5 to 4% of SrO, and 0 to 0.5% of BaO. MgO+CaO+SrO+BaO is 18 to 22%, and MgO/CaO is 0.8 to 1.33.Type: ApplicationFiled: September 11, 2020Publication date: December 31, 2020Applicant: AGC Inc.Inventors: Hirofumi TOKUNAGA, Kazutaka ONO
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Publication number: 20200407266Abstract: The present invention provides a glass sheet, including as a glass composition, in terms of mass %, 50% to 75% of SiO2, 0% to 25% of Al2O3, 0% to 25% of B2O3, 0% to 8% of Li2O, 5% to 25% of Na2O, 0% to 5% of K2O, and 0% to 20% of MgO+CaO+SrO+BaO+ZnO, and having a softening point of 745° C. or less.Type: ApplicationFiled: February 4, 2019Publication date: December 31, 2020Inventor: Ryota SUZUKI
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Publication number: 20200407267Abstract: The present invention relates to a substrate having a dielectric loss tangent (A) as measured at 20° C. and 10 GHz of 0.1 or less, a dielectric loss tangent (B) as measured at 20° C. and 35 GHz of 0.1 or less, and a ratio [a dielectric loss tangent (C) as measured at an arbitrary temperature in a range of ?40 to 150° C. and at 10 GHz]/[the dielectric loss tangent (A)] of 0.90-1.10, or a substrate having a relative permittivity (a) as measured at 20° C. and 10 GHz of 4 or more and 10 or less, a relative permittivity (b) as measured at 20° C. and 35 GHz of 4 or more and 10 or less, and a ratio [a relative permittivity (c) as measured at an arbitrary temperature in a range of ?40 to 150° C. and at 10 GHz]/[the relative permittivity (a)] of 0.993-1.007.Type: ApplicationFiled: September 16, 2020Publication date: December 31, 2020Applicant: AGC Inc.Inventors: Shuhei NOMURA, Kazutaka ONO
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Publication number: 20200407268Abstract: A glass-ceramic that includes a first crystal phase including (MgxZn1-x)Al2O4, where x is ?1, and a second crystal phase including tetragonal ZrO2. The glass-ceramic may be substantially free of arsenic, tin, antimony, and cesium, each of the arsenic, tin, antimony, and cesium present at less than 0.01% (by mole of oxide). Further, the glass-ceramic may include a transmittance of at least about 80% to light having a wavelength of 380 nm to 760 nm.Type: ApplicationFiled: June 24, 2020Publication date: December 31, 2020Inventor: Alexandra Lai Ching Kao Andrews Mitchell
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Publication number: 20200407269Abstract: Provided is a wavelength conversion member which is made of a phosphor powder dispersed in a glass matrix and has an excellent luminous efficiency. A wavelength conversion member is comprising: a phosphor powder dispersed in a glass matrix, wherein the glass matrix has a refractive index (nd) of 1.6 or more and a liquidus temperature of 1070° C. or below.Type: ApplicationFiled: March 25, 2019Publication date: December 31, 2020Inventors: Tadahito FURUYAMA, Shotaro FUKUMOTO
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Publication number: 20200407270Abstract: A method is described herein of making a textured glass article where the method includes: providing a glass substrate having an initial primary surface and an opposing primary surface; disposing a protective coating on at least one of the initial primary surface or the opposing primary surface; and etching the glass substrate with a hydrofluoric acid-free etchant having a pH of about 7 or less to form a leached layer in the glass substrate.Type: ApplicationFiled: June 25, 2020Publication date: December 31, 2020Inventors: Gilbert Alexander Castillo, Melanie Lian Geiger, Yuhui Jin, Aize Li, Ying Zhang
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Publication number: 20200407271Abstract: A method for processing into an aspheric lens, includes: a preprocessing step of performing preprocessing on a glass substrate; and an etching step of performing wet etching on the glass substrate subjected to the preprocessing. The preprocessing step includes a step of irradiating a certain position of the glass substrate with a pulsed laser beam such that a partial region inside the glass substrate is modified, thereby generating a density distribution in a thickness direction at the position irradiated with the pulsed laser beam, or a step of forming a predetermined wedge-shaped concave portion in a surface of the glass substrate by use of a chemical or physical processing method.Type: ApplicationFiled: September 16, 2020Publication date: December 31, 2020Applicant: AGC Inc.Inventors: Kensuke ONO, Go HAMADA, Kenichi MINAMI, Kenichi SHIOYA, Takuma NISHIZAKA
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Publication number: 20200407272Abstract: A method of fabricating a metal thin film-on-glass structure. A glass substrate, on a top surface of which a layer is formed, is prepared. A local area of the glass substrate is etched from a bottom of the glass substrate to expose the layer downwardly, thereby forming an exposed area of the layer. The layer is a metal thin film. The etching includes first-etching the glass substrate to a depth less than a thickness of the glass substrate using a first etching solution containing hydrofluoric acid and at least one of nitric acid and sulfuric acid, resulting in a first-etched portion of the glass substrate; and second-etching the first-etched portion of the glass substrate using an etching solution containing hydrofluoric acid without nitric acid or sulfuric acid, so that the layer is exposed downwardly, whereby the metal thin film is supported by a remaining portion of the glass substrate.Type: ApplicationFiled: March 9, 2018Publication date: December 31, 2020Inventors: Seo-Yeong Cho, Kyung-jin Lee, Yoon-seuk Oh, Jun Ro Yoon
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Publication number: 20200407273Abstract: Methods of manufacturing a glass-based article comprise: exposing an alkali-aluminosilicate glass-based substrate comprising opposing first and second surfaces defining a substrate thickness (t) to an ion exchange treatment to produce an ion exchanged glass-based substrate; and thereafter cooling the ion exchanged glass-based substrate in an environment having a starting temperature that is less than or equal to 200° C. and then reducing the temperature at a rate of greater than or equal to 3.3° C./minute to form the glass-based article.Type: ApplicationFiled: June 25, 2020Publication date: December 31, 2020Inventors: BETHANY JON ALDERMAN, ALYSSA MICHELLE SERGIYENKO
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Publication number: 20200407274Abstract: A substrate with a textured surface is disclosed. The textured glass substrate exhibits low haze and a significant reduction in contact electrostatic charging when compared to an un-textured but otherwise identical glass substrate. Methods of producing the textured surface by an in situ mask etching process are also disclosed.Type: ApplicationFiled: March 5, 2019Publication date: December 31, 2020Inventors: Gabriel Pierce AGNELLO, He JING, Christine Coulter WOLCOTT
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Publication number: 20200407275Abstract: A composition of a cement additive material to improve durability of cementitious structures, was disclosed. The cement additive composition includes an admixture of one or more of divalent magnesium metal silicates with capacity to act as a latent hydraulic binder in said composition activated by a hydration process under aqueous conditions, and in particular the divalent metal silicate is magnesium-dominated silicate, preferably comprising mineral groups of olivines, orthopyroxenes, amphiboles, and serpentines or mixtures thereof. The composition also includes chloride ions or brine.Type: ApplicationFiled: September 11, 2020Publication date: December 31, 2020Inventors: Astri KVASSNES, Jill Angelique CLAUSEN
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Publication number: 20200407276Abstract: A hydratable cement composition which will bond to both asphalt and cementitious substrates is supplied for the repair of various surfaces. The composition comprises of a combination of Portland cement, calcium sulfoaluminate cement or calcium aluminosilicate, and an alkali metal salt activated pozzolonic powder, wherein the Portland cement content of the hydratable portion of the composition is greater than 20%. The composition is free from latex bonding agents and calcium aluminate. The composition is mixed with water to form a typical cement, mortar, or concrete consistency, placed and allowed to cure. The result is a self-adhering patch to damaged surfaces. The hydratable cement composition may also be used to fabricate items of original construction by casting into molds or forms.Type: ApplicationFiled: October 7, 2019Publication date: December 31, 2020Inventor: Paul Sampson