Additive Contains Metal, Boron, Or Silicon Patents (Class 423/275)
  • Patent number: 10424790
    Abstract: An object of the present invention is to provide a non-aqueous electrolyte secondary battery which has a large charge/discharge capacity, has a small irreversible capacity, and is capable of effectively using an active material. This object can be achieved by a material for a non-aqueous electrolyte secondary battery anode; a specific surface area determined by a BET method being not greater than 30 m2/g; an atomic ratio (H/C) of hydrogen atoms to carbon atoms determined by elemental analysis being not greater than 0.1; an average particle size being not greater than 50 ?m; and a diffraction intensity ratio (R-value) determined by Equation (1) being not greater than 1.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: September 24, 2019
    Assignee: KUREHA CORPORATION
    Inventors: Naohiro Sonobe, Kazuhiko Shimizu
  • Patent number: 10186403
    Abstract: A tablet for a plasma coating system having a first part that includes a first material having a first sublimation point at a first pressure and a second part that is disposed on the first part and comprises a second material having a second melting point at the first pressure, wherein the second melting point is lower than the first sublimation point.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: January 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun Kim, Jin-Woo Park
  • Patent number: 10053599
    Abstract: A method for polymerizing a composition including hydridosilanes and subsequently using the polymers to produce silicon containing layers, comprising the following steps: a) providing a substrate; b) providing a composition including at least one hydridosilane that is dissolved in at least one organic and/or inorganic solvent, or including at least one hydridosilane that is already present in liquid form without solvent, wherein the hydridosilanes comprise at least one linear and/or one branched hydridosilane of the general formula SinH2n+2, where n?3, and/or a cyclic hydridosilane of the general formula SinH2n, where n?3; c) polymerizing the composition from step b) by way of acoustic cavitation; and d) coating the surface of the substrate with reaction products from step c).
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: August 21, 2018
    Assignee: Forschungszentrum Juelich GmbH
    Inventor: Andrew Paolo Cadiz Bedini
  • Patent number: 9630904
    Abstract: According to the present invention, a molded catalyst for use in the production of methyl methacrylate can be provided. The molded catalyst comprises synthetic faujasite-type zeolite and a layered magnesium silicate compound, wherein the sulfur content in the layered magnesium silicate compound is 0.10% by weight or less. According to the present invention, a method for producing methyl methacrylate can also be provided. The method is characterized by comprising a step of carrying out a gas-phase catalytic reaction of methyl ?-hydroxyisobutyrate using the above-mentioned molded catalyst for use in the production of methyl methacrylate.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: April 25, 2017
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Katsumi Higuchi, Saori Hirokawa, Yuuichi Sugano
  • Patent number: 8980202
    Abstract: A method of making cerium-containing metal oxide nanoparticles in non-polar solvent eliminates the need for solvent shifting steps. The direct synthesis method involves: (a) forming a reaction mixture of a source of cerous ion and a carboxylic acid, and optionally, a hydrocarbon solvent; and optionally further comprises a non-cerous metal ion; (b) heating the reaction mixture to oxidize cerous ion to ceric ion; and (c) recovering a nanoparticle of either cerium oxide or a mixed metal oxide comprising cerium. The cerium-containing oxide nanoparticles thus obtained have cubic fluorite crystal structure and a geometric diameter in the range of about 1 nanometer to about 20 nanometers. Dispersions of cerium-containing oxide nanoparticles prepared by this method can be used as a component of a fuel or lubricant additive.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: March 17, 2015
    Inventors: Peter Jerome Cowdery-Corvan, Lyn Marie Irving, Richard Kenneth Hailstone, Kenneth Joseph Reed, Thomas Dale Allston, Carly Louise Augustyn
  • Publication number: 20140349112
    Abstract: A nitride crystal is characterized in that, in connection with plane spacing of arbitrary specific parallel crystal lattice planes of the nitride crystal obtained from X-ray diffraction measurement performed with variation of X-ray penetration depth from a surface of the crystal while X-ray diffraction conditions of the specific parallel crystal lattice planes are satisfied, a uniform distortion at a surface layer of the crystal represented by a value of |d1?d2|/d2 obtained from the plane spacing d1 at the X-ray penetration depth of 0.3 ?m and the plane spacing d2 at the X-ray penetration depth of 5 ?m is equal to or lower than 2.1×10?3.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventors: Keiji ISHIBASHI, Tokiko KAJI, Seiji NAKAHATA, Takayuki NISHIURA
  • Patent number: 8883865
    Abstract: A process for making cerium-containing oxide nanoparticles includes providing an aqueous reaction mixture containing a source of cerous ion, optionally a source of one or more metal ions (M) other than cerium, a source of hydroxide ion, at least one monoether carboxylic acid nanoparticle stabilizer wherein the molar ratio of said monoether carboxylic acid nanoparticle stabilizers to total metal ions is greater than 0.2, and an oxidant at an initial temperature in the range of about 20° C. to about 95° C. Temperature conditions are provided effective to enable oxidation of cerous ion to ceric ion, thereby forming a product dispersion of cerium-containing oxide nanoparticles, optionally containing one or more metal ions (M), Ce1-xMxO2-?, wherein “x” has a value from about 0.0 to about 0.95. The nanoparticles may have a mean hydrodynamic diameter from about 1 nm to about 50 nm, and a geometric diameter of less than about 45 nm.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: November 11, 2014
    Assignee: Cerion Technology, Inc.
    Inventors: Albert Gary DiFrancesco, Richard K. Hailstone, Kenneth J. Reed, Gary R. Prok
  • Patent number: 8858908
    Abstract: A method of producing an n-type group III nitride single crystal includes putting raw materials that include at least a substance including a group III element, an alkali metal, and boron oxide into a reaction vessel; melting the boron oxide by heating the reaction vessel to a melting point of the boron oxide; forming a mixed melt which includes the group III element, the alkali metal, and the boron oxide, in the reaction vessel by heating the reaction vessel to a crystal growth temperature of a group III nitride; dissolving nitrogen into the mixed melt by bringing a nitrogen-containing gas into contact with the mixed melt; and growing an n-type group III nitride single crystal, which is doped with oxygen as a donor, from the group III element, the nitrogen, and oxygen in the boron oxide that are dissolved in the mixed melt.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: October 14, 2014
    Assignee: Ricoh Company, Ltd.
    Inventor: Hirokazu Iwata
  • Publication number: 20140234194
    Abstract: A sublimation grown SiC single crystal includes vanadium dopant incorporated into the SiC single crystal structure via introduction of a gaseous vanadium compound into a growth environment of the SiC single crystal during growth of the SiC single crystal.
    Type: Application
    Filed: October 28, 2013
    Publication date: August 21, 2014
    Applicant: II-VI Incorporated
    Inventors: Ilya Zwieback, Thomas E. Anderson, Avinash K. Gupta, Michael C. Nolan, Bryan K. Brouhard, Gary E. Ruland
  • Publication number: 20140205527
    Abstract: A method of producing a GaAs single crystal having high carrier concentration and high crystallinity and to provide a GaAs single crystal wafer using such a GaAs single crystal. In the method of producing a GaAs single crystal, a vertical boat method is performed with a crucible receiving a seed crystal, a Si material, a GaAs material serving as an impurity, solid silicon dioxide, and a boron oxide material, thereby growing a GaAs single crystal.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 24, 2014
    Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Ryoichi Nakamura, Motoichi Murakami, Takehiro Miyaji
  • Patent number: 8697019
    Abstract: Nanostructured manganese-containing compositions having reduced manganese dissolution and methods of making and using the same are provided. In one embodiment, a composition of matter comprises a nanostructured oxide or hydroxide doped with Mn4+. The composition of matter can be made by forming a nanostructured oxide or hydroxide material doped with Mn3+ and oxidizing the Mn3+ to Mn4+ to reduce dissolution of the manganese in the nanostructured oxide or hydroxide material. In another embodiment, a method of reducing dissolution of manganese present in a nanostructured MnO2 material comprises: doping a nanostructured MnO2 material with Fe3+ to reduce the dissolution of the manganese.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: April 15, 2014
    Assignee: Inframat Corporation
    Inventors: Huimin Chen, Lei Jin
  • Publication number: 20140054505
    Abstract: Apparatus and methods of use thereof for the production of carbon-based and other nanostructures, as well as fuels and reformed products, are provided.
    Type: Application
    Filed: February 24, 2012
    Publication date: February 27, 2014
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Stephen D. Tse, Nasir K. Memon, Bernard H. Kear
  • Publication number: 20130251615
    Abstract: A gettered polycrystalline group III metal nitride is formed by heating a group III metal with an added getter in a nitrogen-containing gas. Most of the residual oxygen in the gettered polycrystalline nitride is chemically bound by the getter. The gettered polycrystalline group III metal nitride is useful as a raw material for ammonothermal growth of bulk group III nitride crystals.
    Type: Application
    Filed: May 14, 2013
    Publication date: September 26, 2013
    Applicant: SORAA, INC.
    Inventors: MARK P. D'EVELYN, DERRICK S. KAMBER
  • Patent number: 8535633
    Abstract: Process for the production of doped metal oxide particles, wherein the doping component is present on the surface in the form of domains, wherein in a first reaction zone, an oxidizable and/or —hydrolysable metal compound as dopant together with an atomization gas is atomized into a flow of metal oxide particles in a carrier gas, wherein the mass flow of the metal oxide particles und —the mass flow of the dopant are selected such that the doped metal oxide particles contain 10 ppm to 10 wt.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: September 17, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Kai Schumacher, Rainer Golchert, Helmut Roth, Harald Alff, Matthias Rochnia
  • Publication number: 20130224488
    Abstract: The present invention refers to a nanomaterial synthesis process from the decomposition and subsequent reaction among common and economical insoluble precursors, or precursors which hydrolyze in contact with water, which are incorporated in the internal phase of an emulsion. These insoluble precursors are introduced in the internal phase of an emulsion, then being subject to decomposition and subsequent reaction in the solid state, under shockwave effect during the detonation of the emulsion, the nanomaterial with the intended structure being in the end obtained. The process of the present invention therefore allows obtaining a wide range of nanomaterial as composites or binary, ternary structures or higher structures, with small-sized homogenous primary particles, applicable to several technological fields.
    Type: Application
    Filed: October 14, 2011
    Publication date: August 29, 2013
    Applicant: INNOVNANO - MATERIAIS AVANCADOS, S.A.
    Inventors: Elsa Marisa Dos Santos Antunes, João Manuel Calado Da Silva, Ana Lúcia Costa Lagoa
  • Publication number: 20130183223
    Abstract: The present invention relates to a rapid and metal-free process for preparing high order hydridosilane compounds from low order hydridosilane compounds, wherein at least one low order hydridosilane compound (I) is thermally reacted in the presence of at least one hydridosilane compound (II) having a weight average molecular weight of at least 500 g/mol, to the hydridosilane compounds obtainable by the process and to their use.
    Type: Application
    Filed: September 27, 2011
    Publication date: July 18, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Stephan Wieber, Matthias Patz, Jutta Hessing, Janette Klatt
  • Publication number: 20130164411
    Abstract: The present invention concerns a process for treating water and the use of calcium carbonate in such a process. In particular, the present invention is directed to a process for remineralization of water comprising the steps of providing feed water, and injecting gaseous carbon dioxide and a slurry into the feed water, wherein the slurry comprises micronized calcium carbonate.
    Type: Application
    Filed: August 10, 2011
    Publication date: June 27, 2013
    Inventors: Michael Skovby, Martine Poffet, Matthias Buri, René Vinzenz Blum
  • Patent number: 8470289
    Abstract: Catalytic structures are provided comprising octahedral tunnel lattice manganese oxides ion-exchanged with metal cations or mixtures thereof. The structures are useful as catalysts for the oxidation of alkanes and may be prepared by treating layered manganese oxide under highly acidic conditions, optionally drying the treated product, and subjecting it to ion exchange.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: June 25, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Helge Jaensch, Wilfried J. Mortier
  • Patent number: 8465723
    Abstract: Provided is an arsenic-containing solid comprising 100 parts by mass of a scorodite-type iron-arsenic compound and at least 1 part by mass of an iron oxide compound added thereto, in which the scorodite-type iron-arsenic compound is produced by adding an oxidizing agent to an aqueous acidic solution that contains a 5-valent arsenic (V) ion and a 2-valent iron (II) ion, then promoting the precipitation of an iron-arsenic compound with stirring the liquid, and finishing the precipitation thereof within a range where the pH of the liquid is at most 1.2. The iron oxide compound includes goethite, hematite and their mixture, preferably having a BET specific surface area of at least 3 m2/g, more preferably at least 20 m2/g.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: June 18, 2013
    Assignee: Dowa Metals & Mining Co., Ltd.
    Inventors: Tetsuo Fujita, Ryoichi Taguchi, Hisashi Kubo
  • Patent number: 8454930
    Abstract: The present invention relates to a mayenite-type compound in which a part of Ca of a mayenite-type compound containing Ca, Al and oxygen is substituted by at least one kind of an atom M selected from the group consisting of Be, Mg and Sr, in which the mayenite-type compound has an atom number ratio represented by M/(Ca+M) of from 0.01 to 0.50, and at least a part of free oxygen ions in a mayenite-type crystal structure are substituted by anions of an atom having electron affinity smaller than that of an oxygen atom.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: June 4, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Kazuhiro Ito, Satoru Watanabe, Naomichi Miyakawa, Setsuro Ito
  • Patent number: 8414854
    Abstract: This invention relates to crystalline boehmitic aluminas the crystallites of which exhibit unusual dimensional differences in the space directions 020 and 120. This invention further relates to a method for preparing such aluminas and the follow-up products obtained therefrom by calcination.
    Type: Grant
    Filed: August 13, 2008
    Date of Patent: April 9, 2013
    Assignee: Sasol Germany GmbH
    Inventors: Klaus Noweck, Jürgen Schimanski, Jens Juhl, Frank Michael Bohnen, Reiner Glöckler, Arnold Meyer
  • Patent number: 8399092
    Abstract: A zinc oxide particle having large particle diameter and being high-density is provided. An exoergic resin composition, an exoergic grease and an exoergic coating composition containing the zinc oxide particle exhibit an excellent exoergic property. The zinc oxide particle being high-density, has a density of 4.0 g/cm3 or more, median size (D50) of 17 to 10000 ?m and tap bulk density of 3.10 g/cm3 or more.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: March 19, 2013
    Assignee: Sakai Chemical Industry Co., Ltd.
    Inventors: Satoru Sueda, Atsuki Terabe, Hiroyuki Izumikawa, Mitsuo Hashimoto
  • Patent number: 8388928
    Abstract: Provided is an apparatus for producing magnesium-containing zinc oxide, including: zinc vapor producing means 11 which produces zinc vapor by heating metallic zinc; magnesium vapor producing means 15 which produces magnesium vapor by heating metallic magnesium; mixed vapor producing means 20 which produces mixed vapor by mixing the zinc vapor and the magnesium vapor; and oxidizing gas contact means 19 which produces magnesium-containing zinc oxide by bringing an oxidizing gas into contact with the mixed vapor. The content of zinc in the mixed vapor is adjusted to be higher than that of magnesium.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: March 5, 2013
    Assignee: Ube Material Industries, Ltd
    Inventor: Koji Shibata
  • Patent number: 8377414
    Abstract: This disclosure provides a process for preparing mesoporous amorphous hydrous oxide of titanium, comprising formation of a precipitate comprising an ionic porogen and a hydrolyzed compound comprising titanium from an aqueous mixture in the pH range of 5 to 10; and removing the ionic porogen from the precipitate to recover a mesoporous hydrous oxide of titanium, the ionic porogen being in sufficient amount and the conditions of precipitating being effective for producing a mesoporous hydrous oxide of titanium having a surface area of at least about 400 m2/g and a pore volume of at least 0.4 cc/g.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: February 19, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventor: Carmine Torardi
  • Publication number: 20120315343
    Abstract: A synchronized water is disclosed, in which all single water molecules at the same time are arranged in an identical way to a stable homogeneous microstructure, wherein said synchronized water in a distilled condition and at atmospheric pressure has a) a density of from 0.997855 to 0.998836 g/ml at 22° C., b) a water temperature at the freezing point of from ?6.7° C. to ?8.2° C., c) a melting point of from 0.1° C. to 0.2° C., d) a surface tension of from 72.3 to 72.7 dyn/cm at 22 and e) a dielectric constant of from 82.4 to 82.6 F/m, as well as a method for preparation thereof and different uses thereof.
    Type: Application
    Filed: June 12, 2012
    Publication date: December 13, 2012
    Inventor: Benny JOHANSSON
  • Patent number: 8298506
    Abstract: Titanium dioxide particles is doped with a rare earth element. The doping ratio of the rare earth element is within a range more than 0 at % and not more than 5.0 at %, and the rare earth element is substituted for titanium atoms in the unit lattice of titanium dioxide so that the titanium dioxide particles emit light attributable to the rare earth element when the titanium dioxide particles are irradiated with light having the absorption wavelength of titanium dioxide and showing a peak at 360 nm.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: October 30, 2012
    Assignee: National Institute for Materials Science
    Inventors: Jiguang Li, Takamasa Ishigaki
  • Patent number: 8287832
    Abstract: A hydrothermal method of synthesis of a family of rare-earth Group 5 oxides, where the Group 5 oxide is a niobate or tantalate. The rare-earth Group 5 oxides can be doped with suitable emitter ions to form nanophosphors.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: October 16, 2012
    Assignee: Sandia Corporation
    Inventors: May D. Nyman, Lauren E. S. Rohwer, James E. Martin
  • Publication number: 20120237424
    Abstract: A method of producing a titanium dioxide film with dopant uniformly dispersed throughout the entirety of the film The method involves deposition of dopant, concurrently or sequentially, with titanium before oxidation of the titanium. No separate doping step is required in this invention since the doping step occurs in-situ during oxidation process. The amount of dopant incorporated into a titanium dioxide film is controllable by varying the thickness and/or number of dopant layers deposited. Furthermore, dispersion of dopant throughout the titanium dioxide film is more uniform in this invention as multiple layers of dopant may be employed.
    Type: Application
    Filed: December 7, 2009
    Publication date: September 20, 2012
    Inventor: Zuruzi Bin Abu Samah
  • Patent number: 8216675
    Abstract: Sintered, substantially round and spherical particles prepared from a slurry of a calcined, uncalcined or partially calcined raw material having an alumina content of more than 55% by weight, and a mullite growth promoter in an amount of from about 2 to about 10% dry weight of the total solids in the slurry. The sintered particles are suitable for use as a propping agent or as a foundry media.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: July 10, 2012
    Assignee: Carbo Ceramics Inc.
    Inventors: Thomas C. Palamara, Brett Allen Wilson
  • Patent number: 8178272
    Abstract: An external additive including titanium dioxide having a water-soluble component of at least 0.2% by weight and a fluorosilane compound, wherein the titanium dioxide is surface-reformed by the fluorosilane compound.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: May 15, 2012
    Assignee: Ricoh Company Limited
    Inventors: Masanori Rimoto, Masakazu Nakada, Hideyuki Ueda
  • Patent number: 8173084
    Abstract: A high purity nano-sized Yb3+ doped Y2O3 (Yb:Y2O3) ceramic powder with a narrow size distribution and without hard agglomerates is provided. Also provided is a process for manufacturing the same wherein water in the reaction bath is replaced by a non-water washing agent having little or no hydrogen bonding capability to inhibit the formation of hard agglomerates in the ceramic powder.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: May 8, 2012
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Woohong Kim, Jasbinder S. Sanghera, Guillermo R Villalobos, Shyam S Bayya, Ishwar D. Aggarwal
  • Patent number: 8142709
    Abstract: The invention provides a rapid and economical process for manufacturing a transparent, spinel based ceramic. A transparent body of sintered magnesium aluminate spinel having excellent optical and mechanical properties is provided in a single-stage thermal process.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: March 27, 2012
    Assignee: Ben-Gurion University of the Negev Research & Development Authority
    Inventors: Nahum Frage, Moshe Dariel, Shai Meir, Sergei Kalabuchov
  • Patent number: 8062621
    Abstract: A method of manufacturing titanium dioxide particles can produce titanium dioxide particles where a rare earth element is substituted at the titanium sites from which it is possible to highly efficiently take out fluorescence attributable to the rare earth element The method of manufacturing titanium dioxide particles doped with a rare earth element comprises a step of preparing a liquid precursor containing a titanium source and rare earth metal source, the doping ratio of the rare earth element in the liquid precursor being within a range not less than 0 at % and not more than 5.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: November 22, 2011
    Assignee: National Institute For Materials Science
    Inventors: Jiguang Li, Takamasa Ishigaki
  • Patent number: 8043595
    Abstract: Provided are a mesoporous carbon containing at least one heteroatom boron and phosphorus, a manufacturing method thereof, and a fuel cell using the same. The mesoporous carbon contains a heteroatom such as boron and phosphorous to reduce sheet resistance, and thus can efficiently transfer electric energy. Such a mesoporous carbon can be used as a conductive material of electrodes for fuel cells. When the mesoporous carbon is used as a support for catalysts of electrodes, a supported catalyst containing the support can be used to manufacture a fuel cell having high efficiency.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: October 25, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chan-ho Pak, Sang-hoon Joo, Hyuk Chang, Ji-man Kim, Hyung-Ik Lee
  • Patent number: 8043598
    Abstract: Rare earth element(s) doped alumina nanowires are formed by a thermal evaporation method in which vapor from aluminum powder and vapor from a rare earth element compound (such as an halide) are reacted in an oxygen-containing inert gas stream to form alumina which deposits as alumina nanowires and as a rare earth element and oxygen-containing material that deposits with and/or on the alumina nanowires. Where the RE-doped alumina nanowires are to be used as catalyst supports, a catalyst material, such as platinum, may be deposited as small particles on the nanowires.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: October 25, 2011
    Assignees: GM Global Technology Operations LLC, The University of Western Ontario
    Inventors: Mei Cai, Xueliang Sun, Yong Zhang, Ruying Li
  • Patent number: 8038979
    Abstract: Disclosed is a method of manufacturing a metal oxide nano powder comprising preparing a first dispersed solution by adding a nano-sized metal powder to water and dispersing the metal powder within the water, performing a hydration reaction of the first dispersed solution at a temperature of about 30 to about 70° C. to generate a precipitation, and filtering and drying the precipitation to prepare a metal oxide powder. Also, disclosed is a metal oxide nano powder manufactured by the method described above, and having any one of a bar-form, a cube-form, and a fiber-form.
    Type: Grant
    Filed: November 6, 2007
    Date of Patent: October 18, 2011
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Chang Kyu Rhee, Min Ku Lee, Young Rang Uhm, Jin Ju Park, Byung Sun Han, Hi Min Lee, Seung-Hee Woo
  • Patent number: 7939042
    Abstract: The invention provides stabilized concentrated aqueous solutions of alkali hypobromites, as well as a process for the preparation of said stabilized concentrated solutions at low temperatures, comprising reacting a concentrated alkali hydroxide aqueous solution with bromine, adding to the non-stabilized reaction product an aqueous solution of a sulfamic compound to stabilize the hypobromite, and oxidizing bromide to produce additional hypobromite.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: May 10, 2011
    Assignee: Bromine Compounds Ltd.
    Inventors: Theodor Morel Fishler, David Feldman
  • Patent number: 7931880
    Abstract: An aqueous precipitation process for the preparation of particles comprising primarily silver sulfate, comprising reacting an aqueous soluble silver salt and an aqueous soluble source of inorganic sulfate ion in an agitated precipitation reactor vessel and precipitating particles comprising primarily silver sulfate, wherein the reaction and precipitation are performed in the presence of an aqueous soluble inorganic additive compound containing a cation capable of forming a sulfate salt that is less soluble than silver sulfate or a halide anion or an oxyanion capable of forming a silver salt that is less soluble than silver sulfate, the amount of additive being a minor molar percentage, relative to the molar amount of silver sulfate precipitated, and effective to result in precipitation of particles comprising primarily silver sulfate having a mean grain-size of less than 70 micrometers.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: April 26, 2011
    Assignee: Eastman Kodak Company
    Inventors: David W. Sandford, Thomas N. Blanton
  • Patent number: 7795190
    Abstract: A process to prepare a stable solution of a borozirconate complex is disclosed and use of the solution in oil field applications such as hydraulic fracturing and plugging of permeable zones. The process comprises contacting zirconium complex with alkanolamine, then water and optionally and preferably a hydroxyalkylene diamine, then with a boron compound. The solution is particularly suitable for use in a cross-linking composition in hydraulic fracturing and plugging of permeable zones of subterranean formations at temperatures of 275° F. (135° C.) and higher in the formation.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: September 14, 2010
    Inventor: Donald Edward Putzig
  • Patent number: 7790657
    Abstract: A process to prepare a stable solution of a borozirconate complex is disclosed and use of the solution in oil field applications such as hydraulic fracturing and plugging of permeable zones. The process comprises contacting zirconium complex with a first alkanolamine, then water and optionally hydroxyalkylene diamine, then with a solution of a boron compound and a second alkanolamine. The solution is particularly suitable for use in a cross-linking composition in hydraulic fracturing and plugging of permeable zones of subterranean formations at temperatures of 275° F. (135° C.) and higher in the formation.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: September 7, 2010
    Inventor: Donald Edward Putzig
  • Patent number: 7780937
    Abstract: Granules based on silicon dioxide and having the properties: Average grain size: 10 to 120 ?m BET surface area: 40 to 400 m2/g Pore volume: 0.5 to 2.5 ml/g Pore size distribution: less than 5% of the total pore volume exists of pores with a diameter < 5 nm, rest meso- and macropores pH value: 3.6 to 8.5 Tapped density: 220 to 700 g/l They are prepared by dispersing silicon dioxide in water, spray drying, optionally heating and/or silanizing. Whereas a pyrogenic silicon dioxide powder with a BET surface area of 30 to 90 m2/g, a DBP index of 80 or less, a mean aggregate area of less than 25000 nm2 and a mean aggregate circumference of less than 1000 nm, wherein at least 70% of the aggregates have a circumference of less than 1300 nm or a high-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: August 24, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Jürgen Meyer, Monika Oswald, Klaus Deller
  • Patent number: 7727501
    Abstract: Apparatus and method are disclosed for the production of compacted granular potassium chloride with improved handling qualities. A binding ingredient such as sodium hexametaphosphate is blended with the potassium chloride feed material in advance of compaction. The product of this apparatus and method has improved handling, storage, strength and other qualities over compacted granular potassium produced using prior art methods.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: June 1, 2010
    Assignee: The Mosaic Company
    Inventors: Del Ferguson, Rob Plosz, Annette Revet, Doug LaRocque, Peter Jackson, Carey Heinbigner, Dave Zirk, Scott St. Germaine
  • Patent number: 7691353
    Abstract: Low dielectric constant group II-VI compounds, such as zinc oxide, and fabrication methods are disclosed. Low dielectric constant insulator materials are fabricated by doping zinc oxide with at least one mole % p-type dopant ion. Low dielectric constant zinc oxide insulator materials are fabricated by doping zinc oxide with silicon having a concentration of at least 1017 atoms/cm3. Low dielectric zinc oxide insulator materials are fabricated by doping zinc oxide with a dopant ion having a concentration of at least about 1018 atoms/cm3, followed by heating to a temperature which converts the zinc oxide to an insulator. The temperature varies depending upon the choice of dopant. For arsenic, the temperature is at least about 450° C.; for antimony, the temperature is at least about 650° C. The dielectric constant of zinc oxide semiconductor is lowered by doping zinc oxide with a dopant ion at a concentration at least about 1018 to about 1019 atoms/cm3.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: April 6, 2010
    Inventors: Robert H. Burgener, II, Roger L. Felix, Gary M. Renlund
  • Patent number: 7683011
    Abstract: A process to prepare a stable solution of a borozirconate complex is disclosed and use of the solution in oil field applications such as hydraulic fracturing and plugging of permeable zones. The process comprises contacting zirconium complex with a first alkanolamine, then glycerol and water, then with a solution of a boron compound and a second alkanolamine. The solution is particularly suitable for use in a cross-linking composition at temperatures of 275° F. (135° C.) and higher in the subterranean formation.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: March 23, 2010
    Inventor: Donald Edward Putzig
  • Patent number: 7659033
    Abstract: A graphite powder suitable for a negative electrode material of a lithium ion secondary battery which assures a high discharging capacity not lower than 320 mAh/g is to be manufactured at a lower cost. Specifically, a graphite powder containing 0.01 to 5.0 wt % of boron and having a looped closure structure at an end of a graphite c-planar layer on the surface of a powder, with the density of the interstitial planar sections between neighboring closure structures being not less than 100/?m and not more than 1500/?m, and with d002 being preferably not larger than 3.3650 ?, is manufactured by (1) heat-treating a carbon material pulverized at an elevated speed before or after carbonization for graphization at temperature exceeding 1500° C. or by (2) heat-treating the carbon material pulverized before or after carbonization at a temperature exceeding 1500° C.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: February 9, 2010
    Assignee: Sony Corporation
    Inventors: Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Hideya Kaminaka, Noriyuki Negi, Atsuo Omaru, Masayuki Nagamine
  • Patent number: 7648032
    Abstract: Disclosed herein are a method of reductively bleaching a mineral slurry comprising adding in the mineral slurry an effective amount of a formamidine sulfinic acid (FAS) and an effective amount of a borohydride to reductively bleach the mineral slurry, compositions comprising a mineral slurry, a FAS, and a borohydride, and final products comprising a mineral obtained by the method disclosed herein.
    Type: Grant
    Filed: March 22, 2005
    Date of Patent: January 19, 2010
    Assignee: Imerys Pigments, Inc.
    Inventors: Jun Yuan, Robert J. Pruett, Larry C. Powell
  • Patent number: 7601326
    Abstract: This invention pertains to mesoporous oxide of zirconium and processes of making a mesoporous oxide of zirconium.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: October 13, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Carmine Torardi
  • Patent number: 7601327
    Abstract: This invention pertains to a mesoporous oxide of hafnium and processes of making a mesoporous oxide of hafnium.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: October 13, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Carmine Torardi
  • Patent number: 7582276
    Abstract: The invention relates to nanoscale rutile or oxide powder that is obtained by producing amorphous TiO2 by mixing an alcoholic solution with a titanium alcoholate and with an aluminum alcohalate and adding water and acid. The amorphous, aluminum-containing TiO2 is isolated by removing the solvent, and is redispersed in water in the presence of a tin salt. Thermal or hydrothermal post-processing yields rutile or oxide that can be redispersed to primary particle size. The n-rutile or the obtained oxide having a primary particle size ranging between 5 and 20 nm can be incorporated into all organic matrices so that they remain transparent. Photocatalytic activity is suppressed by lattice doping with trivalent ions. If the amorphous precursor is redispersed in alcohol, or not isolated, but immediately crystallized, an anatase is obtained that can be redispersed to primary particle size.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: September 1, 2009
    Assignee: ITN Nanovation AG
    Inventor: Ralph Nonninger
  • Patent number: 7563431
    Abstract: A process for preparing nickel hydroxide by alkaline precipitation from nickel salt solutions in the presence of complexing agents, in which the precipitation is carried out at at least two different locations in the same mother liquor with different precipitation kinetics at the different locations and the mother liquor is mixed prior to agglomeration of the precipitated primary crystals, is described.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: July 21, 2009
    Assignee: H. C. Starck GmbH
    Inventors: Armin Olbrich, Juliane Meese-Marktscheffel, Viktor Stoller, Michael Erb, Sven Albrecht, Gerhard Gille, Gerd Maikowske, Frank Schrumpf, Josef Schmoll, Matthias Jahn