Patents Examined by Noah S Wiese
  • CeO2-stabilized ZrO2 ceramics for dental applications
    Patent number: 11040914
    Abstract: The present invention is directed to a porous pre-densified CeO2-stabilized ZrO2 ceramic having a density of 50.0 to 95.0%, relative to the theoretical density of zirconia, and an open porosity of 5 to 50% as well as to a densified CeO2-stabilized ZrO2 ceramic having a density of 97.0 to 100.0%, relative to the theoretical density of zirconia, and wherein the grains of the ceramic have an average grain size of 50 to 1000 nm, methods for the preparation of the pre-densified and densified ceramics and their use for the manufacture of dental restorations.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: June 22, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Christian Ritzberger, Frank Rothbrust, Marcel Schweiger, Nicolas Courtois, Jérôme Chevalier, Helen Reveron, Wolfram Höland, Volker Rheinberger
  • High transmission glasses
    Patent number: 11040907
    Abstract: Compounds, compositions, articles, devices, and methods for the manufacture of light guide plates and back light units including such light guide plates made from glass. In some embodiments, light guide plates (LGPs) are provided that have similar or superior optical properties to light guide plates made from PMMA and that have exceptional mechanical properties such as rigidity, CTE and dimensional stability in high moisture conditions as compared to PMMA light guide plates.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: June 22, 2021
    Assignee: Corning Incorporated
    Inventors: Melissann Marie Ashton-Patton, Adam James Ellison, Ellen Anne King
  • Zirconia composition, partially sintered material and sintered material and methods for production thereof, and laminate
    Patent number: 11033467
    Abstract: A composition includes granules in which zirconia particles are aggregated. The granules have an average circularity of 0.81 or greater based on a projected image. Additionally, a layered body includes a first layer and a second layer that comprise granules and are adjacent to each other. The granules in the first layer have an average circularity of 0.70 or smaller based on a projected image. The granules in the second layer have an average circularity of 0.92 or greater based on a projected image.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: June 15, 2021
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa Ito
  • Ferroelastic ceramic compositions, applications thereof, and related methods
    Patent number: 11027976
    Abstract: An example ferroelastic ceramic composition includes at least one compound having a relative chemical formula of AXBYC(1-X-Y)D. Element A, element B, and element C are independently selected from different members of the group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. Element D is selected from the group consisting of phosphate, niobate, and tungstate. X and Y are each equal to or greater than zero and less than one. X and Y are collective less than one.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: June 8, 2021
    Assignee: Colorado School of Mines
    Inventors: Taylor M. Wilkinson, Matt Musselman, Corinne E. Packard
  • Method of manufacture of copper-doped glasses
    Patent number: 11028016
    Abstract: A method of making a copper-doped glass comprising placing a target glass in a container, placing a target glass in a container, surrounding the target glass with a powder mixture comprised of fused silica (SiO2) powder and copper sulfide (Cu2S) powder, such that both the target glass and the surrounding powder are contained in the container, and heating the container and the target glass and the surrounding powder mixture to a temperature of between 800° C. and 1150° C.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: June 8, 2021
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
  • Method of preparing carbon fiber reinforced carbon-silicon carbide composite part
    Patent number: 11021402
    Abstract: A method of preparing a C/C-SiC composite part, including: preparing, using a solvent evaporation process, carbon fiber composite powders coated with a phenol resin; according to a three-dimensional model of a to-be-prepared part, forming a green part corresponding to the to-be-prepared part using the carbon fiber composite powders and a 3D printing technology; densifying the green part to yield a C/C porous body having a density of 0.7 to 1.1 g/cm3 and an open porosity of 30 to 50%; and siliconizing the C/C porous body under vacuum, removing excess silicon to yield a primary carbon fiber reinforced carbon-silicon carbide (C/C-SiC) body, densifying the primary C/C-SiC body, to obtain a final C/C-SiC composite part.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: June 1, 2021
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chunze Yan, Wei Zhu, Hua Fu, Zhongfeng Xu, Yusheng Shi, Chenhui Li, Jiamin Wu, Shifeng Wen, Zhaoqing Li
  • Ultra-high dielectric constant garnet
    Patent number: 11021400
    Abstract: Disclosed are embodiments of synthetic garnet materials for use in radiofrequency applications. In some embodiments, increased amounts of bismuth can be added into specific sites in the crystal structure of the synthetic garnet in order to boost certain properties, such as the dielectric constant and magnetization. Accordingly, embodiments of the disclosed materials can be used in high frequency applications, such as in base station antennas.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: June 1, 2021
    Assignee: Skyworks Solutions, Inc.
    Inventors: David Bowie Cruickshank, Michael David Hill
  • Scaling resistant ceramic glaze and functional overglaze for Q345 hot rolled alloy steel double sided enameling
    Patent number: 11014846
    Abstract: A scaling resistant ceramic glaze and a functional overglaze for Q345 hot rolled alloy steel double sided enameling. The components and the weight percentage of each component of the ground glaze of the enamel are as follows: 3-6% of Al2O3, 60-70% of SiO2; 10-15% of B2O3, 10-15% of Na2O+K2O+Li2O, 3-6% of CaF2, 3-6% of ZrO2, 2-5% of CoO+NiO, 1-3% of BaMoO4+Sb2O3, 0.3-1.5 of WO3. The ground glaze is prepared by formulating chemical raw materials in a weight ratio converted by the described chemical composition, stirring thoroughly and mixing uniformly, melting same in a rotary furnace at 1200-1350° C., and then quenching the melt. The provided scaling resistant ceramic glaze and functional overglaze for Q345 hot rolled alloy steel double sided enameling can be applied to Q345 steel that contains C, P, S and the like which are considered harmful elements and contains a variety of common alloy elements.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: May 25, 2021
    Assignee: Jiangxi Kosen Entech Co., Ltd.
    Inventors: Lihua Kang, Wei Sheng, Xiaofang Huang
  • Method for producing a composite part containing a ceramic matrix
    Patent number: 11014856
    Abstract: A process for manufacturing a composite material part including a particulate reinforcement densified by a ceramic matrix, the process including: formation of a blank of the part to be manufactured by shaping a mixture including a binder, first ceramic or carbon particles intended to form the particulate reinforcement of the part and second ceramic or carbon particles distinct from the first particles, removal or pyrolysis of the binder present in the blank to obtain a porous preform of the part to be manufactured, and infiltration of the porosity of the preform by a molten composition including a metal in order to obtain the part.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 25, 2021
    Assignees: SAFRAN CERAMICS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX
    Inventors: Arnaud Delehouze, Eric Bouillon, Yann Lepetitcorps
  • Aluminosilicate glasses
    Patent number: 11001521
    Abstract: Compounds, compositions, articles, devices, and methods for the manufacture of light guide plates and back light units including such light guide plates made from glass. In some embodiments, light guide plates (LGPs) are provided that have similar or superior optical properties to light guide plates made from PMMA and that have exceptional mechanical properties such as rigidity, CTE and dimensional stability in high moisture conditions as compared to PMMA light guide plates.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: May 11, 2021
    Assignee: Corning Incorporated
    Inventors: Adam James Ellison, Jacques Gollier, Timothy James Kiczenski, Ellen Anne King, Luis Alberto Zenteno
  • Soda-lime-silica glass-ceramic
    Patent number: 10995031
    Abstract: A soda-lime-silica glass-ceramic article having an amorphous matrix phase and a crystalline phase is disclosed along with a method of manufacturing a soda-lime-silica glass-ceramic article from a parent glass composition comprising 47-63 mol % SiO2, 15-22 mol % Na2O, and 18-36 mol % CaO. The crystalline phase of the glass-ceramic article has a higher concentration of sodium (Na) than that of the amorphous matrix phase.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 4, 2021
    Assignee: Owens-Brockway Glass Container Inc.
    Inventors: Scott P. Cooper, Samuel Schuver, Carol A. Click
  • Dielectric membrane and dielectric element
    Patent number: 10991510
    Abstract: A dielectric membrane may be exposed to an acid solution such as hydrochloric acid, nitric acid, or sulfuric acid during a wet process after membrane formation. The inventors have newly found that when a dielectric membrane includes Ca having a lower ionization tendency than Ba and Zr having a lower ionization tendency than Ti in a main component of a metal oxide expressed by a general formula (Ba, Ca)(Ti, Zr)O3 and satisfies at least one of degree of orientation of (100) plane>degree of orientation of (110) plane and degree of orientation of (111) plane>degree of orientation of (110) plane in a membrane thickness direction, the dielectric membrane is less likely to be damaged during a wet process, and the resistance to a wet process is improved.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 27, 2021
    Assignee: TDK CORPORATION
    Inventors: Saori Takahashi, Masahito Furukawa, Masamitsu Haemori, Hiroki Uchiyama, Wakiko Sato, Hitoshi Saita
  • Fluorophosphate glasses for active device
    Patent number: 10988406
    Abstract: Disclosed is fluorophosphate glasses for an active device, the fluorophosphate glasses including: a metaphosphate composition including Mg(PO3)2 of about 20 mol % to about 60 mol %; a fluoride composition including BaF2 of about 20 mol % to about 60 mol % and CaF2 of about 0 mol % to about 40 mol %; and dopants including rare earth elements, in which there is an effect of increasing a carrier lifetime at a metastable state energy level that is stimulated-emitted due to an efficient energy transfer phenomenon by composition optimization of dopants (e.g. Er and Yb).
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: April 27, 2021
    Assignee: KOREA PHOTONICS TECHNOLOGY INSTITUTE
    Inventors: Ju Hyeon Choi, Jung Whan In, June Park, Eui Sam Lee
  • Low melting point glass composition excellent in water resistance
    Patent number: 10988403
    Abstract: To provide a glass composition which can be used for a dental porcelain or a dental ceramics coloring material, and has low temperature meltability, acid resistance and preservation stability under the humid environment which are required for a dental porcelain or a dental ceramics coloring material, and a dental porcelain and dental ceramics coloring material which contain the glass composition of the present disclosure. To provide a low melting glass composition with softening point (Ts) less than 600° C. comprising as a component; SiO2: 55.0 to 75.0 wt. %, B2O3: 6.1 to 12.0 wt. %, Al2O3: 2.0 to 8.0 wt. %, ZnO: 2.0 to 8.5 wt. % and two or more kinds of alkali metal oxide: 10.5 to 20.0 wt. %.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: April 27, 2021
    Assignee: SHOFU INC.
    Inventors: Keita Kawata, Masanori Goto, Kenji Kono
  • Lithium silicate materials
    Patent number: 10981823
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: April 20, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Elke Signer-Apel, Wolfram Höland, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger
  • Granule for producing a fire-proof product, use of such granules, fire-proof product, method for producing a fire-resistant product, and product produced by said method
    Patent number: 10981837
    Abstract: The invention relates to a grain for production of a refractory product, to the use of such grains, to a refractory product, to a process for producing a refractory product and to a refractory product produced thereby.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: April 20, 2021
    Assignee: Refractory Intellectual Property GmbH & Co. KG
    Inventors: Christoph Bauer, Norbert Freiberger
  • Metal nitrides and/or metal carbides with nanocrystalline grain structure
    Patent number: 10974996
    Abstract: Disclosed is a composition having nanoparticles or particles of a refractory metal, a refractory metal hydride, a refractory metal carbide, a refractory metal nitride, or a refractory metal boride, an organic compound consisting of carbon and hydrogen, and a nitrogenous compound consisting of carbon, nitrogen, and hydrogen. The composition, optionally containing the nitrogenous compound, is milled, cured to form a thermoset, compacted into a geometric shape, and heated in a nitrogen atmosphere at a temperature that forms a nanoparticle composition comprising nanoparticles of metal nitride and optionally metal carbide. The nanoparticles have a uniform distribution of the nitride or carbide.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: April 13, 2021
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Matthew Laskoski, Boris Dyatkin, Teddy M. Keller
  • Production method of ceramic matrix composite
    Patent number: 10961161
    Abstract: A production method of a ceramic matrix composite is consisted of: forming a ceramic compact including one or more of a reinforcement fiber and a powder, each including SiC; attaching an ingot of a ternary or more multicomponent Si alloy including Y onto the ceramic compact; and infiltrating the alloy into the ceramic compact by heating up to a temperature at which the alloy melts.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: March 30, 2021
    Assignee: IHI Corporation
    Inventors: Shingo Kanazawa, Akihiro Sato, Yousuke Mizokami, Takeshi Nakamura, Ryoji Kakiuchi, Yuuya Nagami
  • Ceramic material, component, and method for producing the component
    Patent number: 10961159
    Abstract: A ceramic material, a component, and a method for producing a component are disclosed. In an embodiment a ceramic material includes a structure based on a system selected from the group consisting of Ni—Co—Mn—O, Ni—Mn—O and Co—Mn—O, and at least one dopant selected from lanthanides, wherein the ceramic material has a negative temperature coefficient of an electrical resistance.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: March 30, 2021
    Assignee: TDK Electronics AG
    Inventors: Christl Lisa Mead, Cornelia Treul
  • Formed hexagonal boron nitride body, heat-treated hexagonal boron nitride body and processes for producing the same
    Patent number: 10954164
    Abstract: Provided are materials for a formed body comprising hexagonal boron nitride and such formed bodies. Also provided are heat-treated formed body obtained by heat-treating the formed bodies. The invention further relates to processes for making the formed body and the heat-treated formed body.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: March 23, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jan C. Zimmer, Ursula Kayser, Krishna B. Uibel, Christoph Lesniak