Alkaline Earth Metal Compound Containing Patents (Class 501/123)
  • Patent number: 10576587
    Abstract: The present invention relates to a blend of at least one phosphorous source and at least one silicon source, wherein silicon and phosphorous together are present in the blend in at least 25 wt %, and wherein the blend is a mechanical blend of powders, wherein each particle in the blend is either a phosphorous source particle or a silicon source particle. The present invention relates further to a composition comprising the blend a substrate applied with the blend, a method for providing a brazed product, and uses.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: March 3, 2020
    Assignee: ALFA LAVAL CORPORATE AB
    Inventors: Per Sjödin, Kristian Walter, Fredrik Falkenberg
  • Patent number: 10513464
    Abstract: A dielectric composition with high voltage resistance and favorable reliability, and an electronic component using the composition, the composition containing a tungsten bronze type composite oxide represented by chemical formula (Sr1.00?(s+t)BasCat)6.00?xRx(Ti1.00?(a+d)ZraSid)x?2.00(Nb1.00?bTab)8.00?xO30.00, wherein R is at least one element selected from Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and s, t, x, a, b, and d satisfy 0?s?1.00, 0?t?1.00, 0?s+t?1.00, 0?x?3.00, 0.01?a?0.98, 0?b?1.00, 0.02?d?0.15, and 0.03?a+d?1.00. At least one element selected from Mn, Mg, Co, V, W, Mo, Li, B, and Al are contained as a sub component in 0.10 mol or more and 20.00 mol or less with respect to 100 mol of the main component.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: December 24, 2019
    Assignee: TDK CORPORATION
    Inventors: Hiroki Akiba, Sanshiro Aman, Keiko Takeuchi
  • Publication number: 20150080207
    Abstract: “A gypsum-based embedding material” is provided with which favorable casting can be conducted not only in the case where a conventional wax pattern is used, but also, in particular, in the case where a resin pattern different from the conventional wax pattern in disappearance temperature and disappearance behavior is used, and with which, although being a “gypsum-based embedding material”, occurrence of cracks, breakage, or the like in a mold is suppressed even when casting is conducted by “rapid heating” excellent in treatment efficiency. The gypsum-based embedding material composition for casting comprising, as main components, calcined gypsum as a binder, cristobalite and quartz as heat-expandable refractory materials, and a non-heat-expandable refractory material having an average particle diameter of 5 to 20 ?m, the blending amount of the non-heat-expandable refractory material in 100 parts by mass of the main components being 10 to 25 parts by mass.
    Type: Application
    Filed: April 17, 2013
    Publication date: March 19, 2015
    Inventors: Emi Mamada, Kenichi Sugano, Masato Yoshikane
  • Publication number: 20140371051
    Abstract: The present invention addresses a technical problem of realizing a sprayable refractory material capable of, even when used in a dry-spraying installation process, ensuring mixability between a silica sol and a refractory composition to promote a hardening reaction, thereby achieving excellent durability. Provided is a dry-sprayable unshaped refractory material which comprises a refractory composition, and a silica sol containing a silica solid component in a concentration of 20 mass % to 50 mass %.
    Type: Application
    Filed: October 4, 2012
    Publication date: December 18, 2014
    Inventors: Shunsuke Inadomi, Kazuhiro Honda, Aya Kusunoki, Kazuaki Haraguchi
  • Patent number: 8906817
    Abstract: A sintered calcium sulfate ceramic material includes a plurality of major grains of calcium sulfate solid solutions, and a plurality of reaction grains located at boundaries of the major grains. Each of the reaction grains may be selected from the group consisting of calcium silicate and calcium phosphate. A. sinterable calcium sulfate ceramic material consisting of calcium sulfate and a sintering additive is also provided. The sintering additive comprises silica (SiO2).
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: December 9, 2014
    Assignee: National Taiwan University
    Inventors: Wei-Hsing Tuan, Shu-Ting Kuo, Hao-Wei Wu
  • Patent number: 8822360
    Abstract: An article which includes a structure of a ceramic material that has a composition SiOxMzCy, where Si is silicon, O is oxygen, M is at least one metal and C is carbon and wherein x<2, y>0 and z<1 and x and z are non-zero.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: September 2, 2014
    Assignee: United Technologies Corporation
    Inventors: Wayde R. Schmidt, Paul Sheedy, Tania Bhatia Kashyap, Daniel G. Goberman, Xia Tang
  • Publication number: 20140234634
    Abstract: A thermal spray powder of the present invention contains a rare earth element and a diluent element that is not a rare earth element or oxygen, which is at least one element selected, for example, from zinc, silicon, boron, phosphorus, titanium, calcium, strontium, and magnesium. A sintered body of a single oxide of the diluent element has an erosion rate under specific etching conditions that is no less than 5 times the erosion rate of an yttrium oxide sintered body under the same etching conditions.
    Type: Application
    Filed: September 26, 2012
    Publication date: August 21, 2014
    Applicants: FUJIMI INCORPORATED, TOKYO ELECTRON LIMITED
    Inventors: Hiroaki Mizuno, Junya Kitamura, Yoshiyuki Kobayashi
  • Patent number: 8778822
    Abstract: The present invention provides a ceramic porous body for in-vitro and in-vivo use comprising a composition comprising a calcium aluminate (CA) containing phase and optionally at least one of an accelerator, a retarder, a surfactant, a foaming agent, a reactive alumina, water, a fiber, and a biologically active material, and combinations thereof. Ceramic compositions are provides as well as method of using the ceramic compositions and methods of manufacturing a ceramic porous body. The ceramic porous bodies of this invention may be used as artificial bones, joints, in-vitro support structures, and in-vivo support structures for cells, tissues, organs, and nerve growth and regeneration.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: July 15, 2014
    Assignee: Cabertech, Inc.
    Inventor: Kenneth A. McGowan
  • Patent number: 8728968
    Abstract: A process for the synthesis of a bioceramic composition comprising calcium phosphosilicate (CPS, Ca10(PO4)4(SiO4)2), the process comprising: providing calcium or a calcium-containing compound, a phosphorus-containing compound and a silicon-containing compound; and forming a precipitate by reacting the compounds in an aqueous phase at an alkali pH.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: May 20, 2014
    Assignee: University Court of the University of Aberdeen
    Inventors: Iain Ronald Gibson, Janet Mabel Scott Skakle
  • Patent number: 8673797
    Abstract: The binder for monolithic refractories according to the present invention includes SrAl2O4; SrAl2O4 and 5 mass % or less of the remainder; or a mixture of SrAl2O4 and Al2O3.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: March 18, 2014
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Yoshitoshi Saito, Atsunori Koyama
  • Patent number: 8652980
    Abstract: Inorganic fibers including calcia, alumina, potassia and optionally sodia as the major fiber components are provided. Also provided are methods of preparing the inorganic fibers and of thermally insulating articles using thermal insulation comprising the inorganic fibers. The inorganic fibers are soluble in physiological saline solutions, do not form crystalline silica, and are resistant to temperatures of 1260° C. and greater.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: February 18, 2014
    Assignee: Unifax I LLC
    Inventors: Bruce Kendall Zoitos, Michael Joseph Andrejcak
  • Patent number: 8557724
    Abstract: A semiconductor porcelain composition is prepared by separately preparing a composition of (BaR)TiO3 (R is La, Dy, Eu, Gd or Y) and a composition of (BiNa)TiO3, and calcining the composition of (BaR)TiO3 at a temperature of 900° C. through 1300° C. and calcining the composition of (BiNa)TiO3 at a temperature of 700° C. through 950° C., and then mixing, forming and sintering the calcined powders. Similarly, a semiconductor porcelain composition is prepared by separately preparing a composition of (BaM)TiO3 (M is Nb, Ta or Sb) and a composition of (BiNa)TiO3, and calcining the composition of (BaM)TiO3 at a temperature of 900° C. through 1300° C. and calcining the composition of (BiNa)TiO3 at a temperature of 700° C. through 950° C., and then mixing, forming and sintering the calcined powders.
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: October 15, 2013
    Assignee: Hitachi Metals, Ltd.
    Inventors: Takeshi Shimada, Koichi Terao, Kazuya Toji
  • Patent number: 8551897
    Abstract: Provided are inorganic fibers containing calcium and alumina as the major fiber components. According to certain embodiments, the inorganic fibers containing calcia and alumina are provided with a coating of a phosphorous containing compound on at least a portion of the fiber surfaces. Also provided are methods of preparing the coated and non-coated inorganic fibers and of thermally insulating articles using thermal insulation comprising the inorganic fibers.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: October 8, 2013
    Assignee: Unifrax I LLC
    Inventors: Bruce K. Zoitos, Michael J. Andrejcak, Paul M. Boymel
  • Publication number: 20130203258
    Abstract: A replaceable chamber element for use in a plasma processing system, such as a plasma etching system, is described. The replaceable chamber element includes a chamber component configured to be exposed to plasma in a plasma processing system, wherein the chamber component is fabricated of a ferroelectric material.
    Type: Application
    Filed: February 5, 2012
    Publication date: August 8, 2013
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Zhiying CHEN, Jianping ZHAO, Lee CHEN, Merritt FUNK, Radha SUNDARARAJAN
  • Patent number: 8497009
    Abstract: A honeycomb structure 10 of the present invention is provided with porous partition walls 12 made of a ceramic material containing cordierite as a main crystal phase and separating and forming a plurality of cells 14 functioning as fluid passages. The partition walls 12 contain sodium at 0.08 to 0.15 mass % in terms of sodium oxide. A honeycomb structure having a large average pore size can be provided.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: July 30, 2013
    Assignee: NGK Insulators, Ltd.
    Inventors: Yasushi Noguchi, Yukari Nakane
  • Publication number: 20130183531
    Abstract: An article which includes a structure of a ceramic material that has a composition SiOxMzCy, where Si is silicon, O is oxygen, M is at least one metal and C is carbon and wherein x<2, y>0 and z<1 and x and z are non-zero.
    Type: Application
    Filed: January 18, 2012
    Publication date: July 18, 2013
    Inventors: Wayde R. Schmidt, Paul Sheedy, Tania Bhatia Kashyap, Daniel G. Goberman, Xia Tang
  • Publication number: 20130023401
    Abstract: Initially, an Yb2O3 raw material was subjected to uniaxial pressure forming at a pressure of 200 kgf/cm2, so that a disc-shaped compact having a diameter of about 35 mm and a thickness of about 10 mm was produced, and was stored into a graphite mold for firing. Subsequently, firing was performed by using a hot-press method at a predetermined firing temperature (1,500° C.), so as to obtain a corrosion-resistant member for semiconductor manufacturing apparatus. The press pressure during firing was specified to be 200 kgf/cm2 and an Ar atmosphere was kept until the firing was finished. The retention time at the firing temperature (maximum temperature) was specified to be 4 hours. In this manner, the corrosion-resistant member for semiconductor manufacturing apparatus made from an Yb2O3 sintered body having an open porosity of 0.2% was obtained.
    Type: Application
    Filed: September 21, 2012
    Publication date: January 24, 2013
    Applicant: NGK INSULATORS, LTD.
    Inventor: NGK INSULATORS, LTD.
  • Patent number: 8337724
    Abstract: A method of preparing a composite includes the following steps. A powder blend is sintering while an oxygen partial pressure (pO2) of a gaseous atmosphere surrounding the powder blend is controlled. Before the sintering, a shape is formed from the powder blend. After the forming and before the sintering, binder is removed from the powder blend. The powder blend comprises binder, a mixed electronic/oxygen O2? anionic conducting compound (C1) and a compound (C2) chosen from MgO and BaTiO3. The resultant composite comprises at least 75 vol % of compound (C1), from 0.01 to 25 vol % of compound (C2), and from 0 vol % to 2.5 vol % of compound (C3).
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: December 25, 2012
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Pascal Del-Gallo, Thierry Chartier, Gregory Etchegoyen
  • Patent number: 8283060
    Abstract: To provide a substrate for information recording medium having various properties, in particular higher fracture toughness, required for application of the substrate for information recording medium of the next generation such as perpendicular magnetic recording system, etc. and a material with excellent workability for such purpose. A crystallized glass substrate for information recording medium, consisting of a crystallized glass which comprises one or more selected from RAl2O4 and R2TiO4 as a main crystal phase, in which R is one or more selected from Zn, Mg and Fe, and in which the main crystal phase has a crystal grain size in a range of from 0.5 nm to 20 nm, a degree of crystallinity of 15% or less, and a specific gravity of 3.00 or less.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: October 9, 2012
    Assignee: Ohara Inc.
    Inventors: Toshitaka Yagi, Naoyuki Goto
  • Publication number: 20120252653
    Abstract: The present invention relates to a setting agent accelerator for use with an ultra-low cement, low cement and regular castable refractory materials and a method of applying the refractory materials using the setting agent accelerator to form a refractory structure or lining. More particularly, the invention is directed to a setting agent accelerator for use with an ultra-low cement , low cement and regular castable refractory material for preserving or maintaining the safety lining and the working lining of refractory structures or linings from mechanical erosion and/or attack by corrosive materials such as those produced during manufacture of cement, lime, metals or metal alloys including acid and basic slags. The setting agent accelerator has a set accelerating amount of sodium nitrate, sodium nitrite or mixtures thereof, calcium hydroxide and water.
    Type: Application
    Filed: March 28, 2011
    Publication date: October 4, 2012
    Applicant: Specialty Minerals (Michigan) Inc.
    Inventors: Angela Rodrigues-Schroer, Ronald Warren Schmidt
  • Patent number: 8263513
    Abstract: The present invention discloses a method that can improve the sintering ability of calcium sulfate. The material can be used as a bio-material. This method is prepared by pre-mixing +1 and/or +2 and/or +3 and/or +4 and/or +5 valence element and/or its chemical compounds which serves as a sintering additive to calcium sulfate. During sintering, the sintering additive may form a compound and/or a glass and/or a glass-ceramic to assist the densification of the calcium sulfate. The strength and biocompatibility of the specimen after sintering are satisfactory.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: September 11, 2012
    Assignee: National Taiwan University
    Inventors: Wei-Hsing Tuan, Shu-Ting Kuo
  • Publication number: 20120183790
    Abstract: This invention relates to thermal spray composite coatings on a metal or non-metal substrate. The thermal spray composite coatings comprise a ceramic composite coating having at least two ceramic material phases randomly and uniformly dispersed and/or spatially oriented throughout the ceramic composite coating. At least a first ceramic material phase is present in an amount sufficient to provide corrosion resistance to the ceramic composite coating, and at least a second ceramic material phase is present in an amount sufficient to provide plasma erosion resistance to the ceramic composite coating. This invention also relates to methods of protecting metal and non-metal substrates by applying the thermal spray coatings. The composite coatings provide erosion and corrosion resistance at processing temperatures higher than conventional processing temperatures used in the semiconductor etch industry, e.g., greater than 100° C.
    Type: Application
    Filed: July 12, 2011
    Publication date: July 19, 2012
    Inventors: Christopher Petorak, Graeme Dickinson, Neill Jean McDill
  • Patent number: 8197780
    Abstract: A method of producing a boron suboxide composite material having improved fracture toughness.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: June 12, 2012
    Assignee: Element Six (Production) (Pty) Ltd.
    Inventors: Geoffrey John Davies, Iakovos Sigalas, Mathias Herrmann, Thembinkosi Shabalala
  • Patent number: 8173565
    Abstract: In a sintered body of low temperature cofired ceramic constituting ceramic layers of a multilayer ceramic substrate provided with external conductor films, which is obtained by sintering a non-glass low temperature cofired ceramic material, respective crystalline phases of quartz, alumina, and fresnoite are deposited. The ceramic layers are, because of being in the form of a sintered body of non-glass low temperature cofired ceramic, less likely to fluctuate in composition, and the multilayer ceramic substrate can be thus inexpensively and easily manufactured therefrom. In addition, the ceramic layers have the above-mentioned respective crystalline phases deposited therein, and thus have a high joint strength with the external conductor films, and moreover, the sintered body itself has a high fracture touhgness value.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: May 8, 2012
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Tsuyoshi Katsube
  • Patent number: 8093170
    Abstract: A semiconductor ceramic material which contains no Pb and has a high Curie point, low resistivity, and PTC characteristics is represented by the formula ABO3 wherein A includes Ba, Ca, an alkali metal element, Bi, and a rare-earth element, and B includes Ti. The semiconductor ceramic material contains 5 to 20 molar parts and preferably 12.5 to 17.5 molar parts of Ca per 100 molar parts of Ti. The ratio of the content of the alkali metal element to the sum of the content of the bismuth plus the content of the rare earth element, is preferably from 1.00 to 1.06. The semiconductor ceramic material preferably further contains 0.01 to 0.2 molar parts of Mn per 100 molar parts of Ti.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: January 10, 2012
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Hayato Katsu
  • Publication number: 20110277951
    Abstract: [OBJECT] In an operation of continuous casting of steel grade such as aluminum-killed steel where a nozzle clogging phenomenon is particularly likely to occur, it is intended to prevent adhesion of inclusions (typically, Al2O3) on a nozzle used in the casting operation, and clogging of the nozzle due to the inclusions [SOLUTION] A refractory material 10 is arranged to define a part or an entirety of a molten steel-contacting surface of a continuous casting nozzle, wherein the refractory material 10 contains: a CaO component in an amount of 0.5 mass % or more; one or both of B2O3 and R2O (R is one selected from the group consisting of Na, K and Li) in an amount of 0.5 mass % or more; Al2O3 in an amount of 50 mass % or more; and free carbon in an amount of 8.0 to 34.5 mass %, and wherein a total amount of CaO, B2O3 and R2O is in the range of 1.0 to 15.0 mass %, and a mass ratio of CaO/(B2O3+R2O) is in the range of 0.1 to 3.0.
    Type: Application
    Filed: May 13, 2010
    Publication date: November 17, 2011
    Applicant: KROSAKIHARIMA CORPORATION
    Inventors: Katsumi MORIKAWA, Akinari SASAKI, Hiroshi OTSUKA, Yuichi Tsukaguchi
  • Publication number: 20110190432
    Abstract: Provided is a modified perovskite type composite oxide in which the dielectric characteristics are equal to or better than those prior to modification, there is no substantial elution of coating components from the modifying coating components, and change in the specific surface areas over time and elution of the A-site metals are suppressed effectively, while the cracking traits are good. A modified perovskite type composite oxide in which the particle surface of a perovskite type composite oxide is coated with a first component of at least one selected from TiO2 and SiO2 and a second component of at least one selected from a group consisting of Al, Zr, Nd, La, Ce, Pr, and Sm, wherein the coating is formed by hydrolyzing at least one selected from a hydrolyzable TiO2 precursor and a hydrolyzable SiO2 precursor as a source of the first component and a salt of at least one selected from a group consisting of Al, Zr, Nd, La, Ce, Pr, and Sm as a source of the second component, and then calcining them.
    Type: Application
    Filed: July 16, 2009
    Publication date: August 4, 2011
    Applicant: Nippon Chemical Industrial Co. Ltd
    Inventor: Shinji Tanabe
  • Patent number: 7964072
    Abstract: A NOX sensor material includes a composition of Ba(1-X)AXFe(12-Y)BYO19. Constituent A and constituent B are doping elements. Constituent A is selected from the group consisting of Bi, La and Pb and X is a real number where 0?X<1. Constituent B is selected from the group consisting of Al, B, Bi, Ca, Co, Cr, Cu, Er, Ga, In, Mg, Mn, Ni, Nb, Rh, Pb, Si, Sr, Ti, Ta, Zn and Zr and Y is a real number where 0?Y<12. The NOX sensor material may be used in a sensor element of a NOX sensor.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: June 21, 2011
    Assignee: Delphi Technologies, Inc.
    Inventors: Da Yu Wang, Sheng Yao, Thomas M. Brunette, Elizabeth Briggs, Raymond L. Bloink, David D. Cabush
  • Patent number: 7955529
    Abstract: This invention discloses the synthesis of a bifunctional La0.6Ca0.4Co1-xIrxO3 (x=0˜1) perovskite compound with a superb bifunctional catalytic ability for the oxygen reduction and generation in alkaline electrolytes. Synthetic routes demonstrated include solid state reaction, amorphous citrate precursor, and mechanical alloying. The interested compound demonstrates notable enhancements over commercially available La0.6Ca0.4CoO3.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: June 7, 2011
    Assignee: National Chiao Tung University
    Inventors: Pu-Wei Wu, Yun-Min Chang
  • Patent number: 7955579
    Abstract: A boron suboxide composite material having improved fracture toughness consists of particulate or granular boron suboxide distributed in a binder phrase, such as AlxByOz, for example.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: June 7, 2011
    Assignee: Element Six (Production) (Pty) Ltd.
    Inventors: Geoffrey John Davies, Iakovos Sigalas, Mathias Herrmann, Thembinkosi Shabalala
  • Publication number: 20110129784
    Abstract: The present disclosure relates to a silica-based crucible material that includes, before sintering or firing, selected amounts of a thermal expansion stabilizer component (B2O3 and Ca2SiO4) which impart improved thermal shock resistance and enhanced ability to withstand repeated thermal cycling, to a sintered or fired crucible made of the material. An illustrative embodiment of the invention provides a crucible material whose chemical composition comprises, in weight %, about 91% to about 98% SiO2, about 1% to about 8% thermal stabilizer component, and up to about 1.0% of additional oxides including MgO, Al2O3 Fe2O3, CaO and ZrO2.
    Type: Application
    Filed: November 23, 2010
    Publication date: June 2, 2011
    Inventors: James Crawford Bange, Michael E. Collier, David I. Seymour, Ronald Leroy Stewart, Christopher L. Thomas
  • Patent number: 7887917
    Abstract: Provided are inorganic fibers containing calcium and alumina as the major fiber components. According to certain embodiments, the inorganic fibers containing calcia and alumina are provided with a coating of a phosphorous containing compound on at least a portion of the fiber surfaces. Also provided are methods of preparing the coated and non-coated inorganic fibers and of thermally insulating articles using thermal insulation comprising the inorganic fibers.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: February 15, 2011
    Assignee: Unifrax I LLC
    Inventors: Bruce K. Zoitos, Michael J. Andrejcak, Paul M. Boymel
  • Publication number: 20110003679
    Abstract: Disclosed is anti-alumina-buildup refractories for casting nozzles, which comprises a refractory aggregate including 20 mass % or more of CaO component, and 10 mass % or more of clinker particles each containing CaO as a mineral phase, on the basis of 100 mass % of the entire composition. At least a part of the surfaces of the CaO exposed from the surfaces of the corresponding clinker particles is formed with a CaCO3 film. The CaCO3 film releases CO2 gas through thermal decomposition to smooth an operative surface of the nozzle so as to prevent the accretion of metal thereon, so that CaO is continuously supplied to alumina attached on the operative surface to prevent alumina buildup. In addition, the CaCO3 film effectively prevents the hydration of CaO due to a hydration reaction.
    Type: Application
    Filed: August 19, 2003
    Publication date: January 6, 2011
    Inventors: Koji Ogata, Donald Bruce Hoover
  • Publication number: 20100221530
    Abstract: The invention relates to a sintered product containing: in mass percent based on oxides, more than 99.5% of a material having a cubic crystallographic structure for more than 95% of the mass thereof, known as a material with a cubic structure, and having a refractive index of less than 2.75 in the wavelength range between 0.2 ?m and 5 ?m; and more than 50 ppma of dopants which must contain titanium oxide TiO2 and at least one additional dopant selected from ZrO2, CaO, and MgO, in which said at least one additional dopant is different from the oxide(s) forming the material with a cubic structure, but can be MgO when the material with a cubic structure is spinel MgAl2O4.
    Type: Application
    Filed: June 13, 2008
    Publication date: September 2, 2010
    Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Guillaume Bernard-Granger, Nassira Benameur
  • Publication number: 20100216626
    Abstract: A refractory composition for use in contact with molten aluminum and molten aluminum alloys containing a refractory aggregate, a binder, and a treatment additive comprising a source of Sr. Methods comprising contacting a refractory composition with the Sr source to improve the resistance of the refractory to molten aluminum attack are also disclosed. Preferred treatment agents comprise Sr nitrate, Sr carbonate, Sr sulfate and Sr oxide.
    Type: Application
    Filed: December 13, 2007
    Publication date: August 26, 2010
    Inventors: Saied Afshar, Claude Allaire
  • Patent number: 7772146
    Abstract: The present invention provides a ceramic porous body for in-vitro and in-vivo use comprising a composition comprising a calcium aluminate (CA) containing phase and optionally at least one of an accelerator, a retarder, a surfactant, a foaming agent, a reactive alumina, water, a fiber, and a biologically active material, and combinations thereof. Ceramic compositions are provides as well as method of using the ceramic compositions and methods of manufacturing a ceramic porous body. The ceramic porous bodies of this invention may be used as artificial bones, joints, in-vitro support structures, and in-vivo support structures for cells, tissues, organs, and nerve growth and regeneration.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: August 10, 2010
    Inventor: Kenneth A. McGowan
  • Publication number: 20100184584
    Abstract: The invention relates to an unshaped refractory material, to a process for producing an earth-moist, unshaped refractory material, and also to the use of the unshaped refractory material.
    Type: Application
    Filed: July 1, 2008
    Publication date: July 22, 2010
    Applicant: REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
    Inventors: Bernd Petritz, Alfons Lüftenegger
  • Publication number: 20100179050
    Abstract: The present invention discloses a method that can improve the sintering ability of calcium sulfate. The material can be used as a bio-material. This method is prepared by pre-mixing +1 and/or +2 and/or +3 and/or +4 and/or +5 valence element and/or its chemical compounds which serves as a sintering additive to calcium sulfate. During sintering, the sintering additive may form a compound and/or a glass and/or a glass-ceramic to assist the densification of the calcium sulfate. The strength and biocompatibility of the specimen after sintering are satisfactory.
    Type: Application
    Filed: November 23, 2009
    Publication date: July 15, 2010
    Inventors: Wei-Hsing TUAN, Shu-ting KUO
  • Publication number: 20100154856
    Abstract: A substrate (1) for thermoelectric conversion modules has a ceramic material as a main component and has flexibility. A thermoelectric conversion module (2) has a plurality of thermoelectric elements (3, 4) arranged in the longitudinal direct of the substrate (1), at least on one surface of the substrate (1), so that the longitudinal directions of the thermoelectric elements (3, 4) are along the width direction of the substrate (1). Electrodes (5), which electrically connect the thermoelectric elements (3, 4) in series, are arranged on the end portions of the thermoelectric elements (3, 4).
    Type: Application
    Filed: March 11, 2008
    Publication date: June 24, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuichi Hiroyama, Yoshio Uchida
  • Publication number: 20100103587
    Abstract: A SrTiO3-based grain boundary insulation type semiconductor ceramic contains a donor element in solid solution in crystal grains, an acceptor element at least in crystal grain boundaries, an integral width of (222) face of the crystal face of 0.500° or less, and an average powder grain size of crystal grains of 1.0 ?m or less. A semiconductor ceramic is obtained by firing this ceramic, and a monolithic semiconductor ceramic capacitor is obtained by using the semiconductor ceramic. The SrTiO3-based grain boundary insulation type semiconductor ceramic powder has a large apparent relative dielectric constant ?rAPP of 5,000 or more even when the average ceramic grain size of crystal grains is 1.0 ?m or less and which has an excellent insulating property. The monolithic semiconductor ceramic capacitor is capable of having a large capacity through reduction in thickness and multilayering.
    Type: Application
    Filed: December 22, 2009
    Publication date: April 29, 2010
    Applicant: MURATA MANUFACTURING CO., LTD.
    Inventor: Mitsutoshi Kawamoto
  • Patent number: 7700061
    Abstract: The present invention provides a heat-resistant material for a low-melting metal casting machine, which comprises calcium silicate and a fluoride.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: April 20, 2010
    Assignee: Nichias Corporation
    Inventor: Akifumi Sakamoto
  • Patent number: 7691284
    Abstract: Tunable variable emissivity materials, methods for fabricating tunable variable emissivity materials, and methods for controlling the temperature of a spacecraft using tunable variable emissivity materials have been provided. In an exemplary embodiment, a variable emissivity material has the formula M1(1?(x+y))M2xM3yMnO3, wherein M1 comprises lanthanum, praseodymium, scandium, yttrium, neodymium or samarium, M2 comprises an alkali earth metal, M3 comprises an alkali earth metal that is not M2, and x, y, and (x+y) are less than 1. The material has a critical temperature (Tc) in the range of about 270 to about 320K and a transition width is less than about 30K.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: April 6, 2010
    Assignee: The Boeing Company
    Inventors: Robert Cumberland, William B. Barvose Carter, Adam F. Gross
  • Publication number: 20100075825
    Abstract: A semiconductor porcelain composition is prepared by separately preparing a composition of (BaR)TiO3 (R is La, Dy, Eu, Gd or Y) and a composition of (BiNa)TiO3, and calcining the composition of (BaR)TiO3 at a temperature of 900° C. through 1300° C. and calcining the composition of (BiNa)TiO3 at a temperature of 700° C. through 950° C., and then mixing, forming and sintering the calcined powders. Similarly, a semiconductor porcelain composition is prepared by separately preparing a composition of (BaM)TiO3 (M is Nb, Ta or Sb) and a composition of (BiNa)TiO3, and calcining the composition of (BaM)TiO3 at a temperature of 900° C. through 1300° C. and calcining the composition of (BiNa)TiO3 at a temperature of 700° C. through 950° C., and then mixing, forming and sintering the calcined powders.
    Type: Application
    Filed: November 27, 2009
    Publication date: March 25, 2010
    Applicant: HITACHI METALS, LTD.
    Inventors: Takeshi Shimada, Koichi Terao, Kazuya Toji
  • Publication number: 20100075824
    Abstract: It is intended to provide a Pb-free semiconductor ceramic composition capable of shifting its Curie temperature toward a positive direction and capable of enhancing its jump characteristic while minimizing the increase in the resistivity at room temperature. There is provided a semiconductor ceramic composition in which a part of Ba of BaTiO3 is substituted with Bi—Na, the semiconductor ceramic composition being obtained by sintering a mixed calcined powder containing a calcined BT powder containing a calcined powder of (BaR)TiO3 or a calcined powder of Ba(TiM)O3 (in which R and M each are a semiconductor dopant), and a calcined BNT powder containing a calcined powder of (BiNa)TiO3; in which BaCO3 and/or TiO2 is/are added to the calcined BT powder or the calcined BNT powder or to the mixed calcined powder.
    Type: Application
    Filed: October 26, 2007
    Publication date: March 25, 2010
    Inventor: Takeshi SHIMADA
  • Publication number: 20100009840
    Abstract: The present invention describes a cement free refractory mixture. The mixture comprises a pH buffer and a component containing a metal or fumed silica. Water may impart good flow characteristics to the mixture and can produce an effective low temperature cure. At elevated temperatures, an article formed using this mixture has superior refractory and physical properties.
    Type: Application
    Filed: July 6, 2007
    Publication date: January 14, 2010
    Inventors: Robert A. Pattillo, Sam Bonsall
  • Patent number: 7637858
    Abstract: A functional sheet which exercises desired actions such as healing effect in high efficiency, without restriction by its use condition and the like is provided. A functional sheet 1 which exercises functions such as healing effect, relaxation effect, decomposition and removal of harmful substances according to complex functions such as generation of minus ions and/or photocatalyst function, by supporting a photocatalyst powder 10 such as titania (TiO2), tin oxide (SnO), zinc oxide (ZnO), SnO2, ZrO2, and WO3 which is oxidized in a structure of which a bond with oxygen is decreased as goes from its surface into the inside gradually, and a radioactive powder 20 containing a natural radioactive substance such as thorium (Th), for example, the powder of monazite, in a condition in which they are mutually brought in contact or adjacent, on a carrier 30 which forms a sheet shape composed by entangling a lot of fibers such as nonwoven fabric.
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: December 29, 2009
    Assignee: Fuji Kihan Co., Ltd.
    Inventor: Yoshio Miyasaka
  • Patent number: 7632770
    Abstract: The invention relates to a fired, basic, refractory, industrial ceramic shaped body comprising at least one basic resistor component and an elasticizer component, wherein the elasticizer component is a calcium aluminate having the abbreviated formula CA6. The invention additionally relates to a process for producing the shaped body and to its use.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: December 15, 2009
    Assignee: Refratechnik Holding GmbH
    Inventor: Hans-Jürgen Klishchat
  • Patent number: RE41251
    Abstract: The present invention is directed to a synthetic biomaterial compound based on stabilized calcium phosphates and more particularly to the molecular, structural and physical characterization of this compound. The compound comprises calcium, oxygen and phosphorous, wherein at least one of the elements is substituted with an element having an ionic radius of approximately 0.1 to 1.1 ?. The knowledge of the specific molecular and chemical properties of the compound allows for the development of several uses of the compound in various bone-related clinical conditions.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: April 20, 2010
    Inventors: Sydney M. Pugh, Timothy J. N. Smith, Michael Sayer, Sarah D. Langstaff
  • Patent number: RE42184
    Abstract: Two, three dimensional color displays having uniform dispersion of red, green and blue visible light emitting micron particles. Pumping at approximately 976 nm can generate green and red colors having an approximately 4% limit efficiency. One source can generate three colors with approximately limit efficiency. Modulators, scanners and lens can move and focus laser beams to different pixels forming two dimensional color images. Displays can be formed from near infrared source beams that are simultaneously split and modulated with micro electro mechanical systems, spatial light modulators, liquid crystal displays, digital micromirrors, digital light projectors, grating light valves, liquid crystal silicon devices, polysilicon LCDs, electron beam written SLMs, and electrically switchable bragg gratings. Pixels containing: Yb,Tm:YLF can emit blue light, Yb,Er(NYF) can emit green light, and Yb,Er:KYF and Yb,Ef:YF3 can emit red light.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: March 1, 2011
    Assignee: Research Foundation of the University of Central Florida, Inc.
    Inventors: Michael Bass, Jason Eichenholz, Alexandra Rapaport
  • Patent number: RE43661
    Abstract: Methods for synthesis of nanocrystalline apatites are presented, as well as a series of specific reaction parameters that can be adjusted to tailor, in specific ways, properties in the recovered product. Particulate apatite compositions having average crystal size of less than 150 nm are provided. Products also can have a surface area of at least 40 m2/g and can be of high density. Hydroxy apatite material is investigated in particular detail. Compositions of the invention can be used as prosthetic implants and coatings for prosthetic implants.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: September 18, 2012
    Assignee: Massachusetts Institute of Technology
    Inventors: Jackie Y. Ying, Edward S. Ahn, Atsuski Nakahira