Patents Examined by Karl E. Group
  • Enamel composition, method for preparing enamel composition, and cooking appliance
    Patent number: 11773007
    Abstract: An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 15 to 50 wt % of phosphorus pentoxide (P2O5); 5 to 20 wt % of one or more of lithium oxide (Li2O), sodium oxide (Na2O), or potassium oxide (K2O); 1 to 5 wt % of one or more of sodium fluoride (NaF), calcium fluoride (CaF2), or aluminum fluoride (AlF3); 1 to 35 wt % of one or more of magnesium oxide (MgO), barium oxide (BaO), or calcium oxide (CaO); and 5 to 30 wt % of one or more of manganese dioxide (MnO2), molybdenum trioxide (MoO3), bismuth oxide (Bi2O3), or nickel oxide (NiO). The enamel composition may be cleaned without being putting it into water.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: October 3, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Gun Gwoo, Jingon Kim, Young Seok Kim
  • Dielectric ceramic composition and multilayer ceramic capacitor comprising the same
    Patent number: 11776748
    Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor including the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and niobium (Nb) as first accessory ingredients. A total content of the Dy and Nb is greater than 0.2 mol and less than or equal to 1.5 mol based on 100 mol of titanium (Ti) of the base material main ingredient.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: October 3, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyoung Uk Kim, Seung In Baik, Hyung Soon Kwon, Ji Hong Jo
  • Cubic boron nitride sintered material, tool comprising cubic boron nitride sintered material and method for manufacturing cubic boron nitride sintered material
    Patent number: 11773030
    Abstract: A cBN sintered material comprising cBN particles and a binder phase, in which the binder phase contains AlN and AlB2, a content proportion of cBN particles is 70 to 97 vol %, cBN sintered material has a volume resistivity up to 5×10?3 ?cm, a rate of a peak intensity derived from Al with respect to a peak intensity derived from cBN particles is less than 1.0%, cBN particles include fine particles and coarse particles, coarse particles optionally include ultra-coarse particles, with respect to the entire cBN particles, a content proportion ? of fine particles is from 10 vol %, a content proportion ? of coarse particles is from 30 vol %, a content proportion ? of ultra-coarse particles is 25 vol % or less, and a total of the content proportion ? of fine particles and the content proportion ? of coarse particles is 50 to 100 vol %.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: October 3, 2023
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Keita Miyamoto, Satoru Kukino, Akihiko Ueda, Michiko Matsukawa
  • Method for producing solid composition and method for producing functional ceramic
    Patent number: 11767266
    Abstract: A method for producing a solid composition according to the present disclosure is a method for producing a solid composition that is used for forming a functional ceramic having a first crystal phase. The method for producing a solid composition includes: producing an oxide composed of a second crystal phase different from the first crystal phase; and mixing the oxide and an oxo acid compound.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: September 26, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Tomofumi Yokoyama, Hitoshi Yamamoto, Naoyuki Toyoda
  • Alkali-free ultrafine glass fiber formula
    Patent number: 11760687
    Abstract: An alkali-free ultrafine glass fiber formula includes the following components, in mass percentage calculated based on 100 Kg: SiO2: 50% to 65%, Al2O3: 10% to 16.5%, CaO: 17% to 28%, MgO: 0.2% to 4.0%, Na2O and K2O: 0.1% to 0.8% in total, CeO2: 0.1% to 0.5%, Li2O: 0.1% to 0.7%, Fe2O3: 0.05% to 0.6%, TiO2: 0.1% to 1%, and impurities: the balance. In the preparation of alkali-free ultrafine glass fibers, no fluorine and boron-containing raw materials are used, and CeO2 and Li2O are introduced, which avoids the use of B2O3 and F that have a large impact on the environment, and reduces environmental pollution. A single fiber strength of prepared glass fibers is about 9% higher than that of the traditional E glass fibers, and the comprehensive performance of a prepared glass fiber product is significantly superior than that of the existing E glass fiber product.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: September 19, 2023
    Assignee: TAISHAN FIBERGLASS ZOUCHENG CO., LTD.
    Inventors: Yundong Sun, Wei Li, Degang Zhang, Guo Zhang, Qiang Fang, Yongyan Li, Cong Ding, Guodong Liu, Caihua Liu
  • Dielectric ceramic composition and multilayer ceramic capacitor comprising same
    Patent number: 11763990
    Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor including the same are provided, the dielectric ceramic composition includes a BaTiO3-based base material main component and a subcomponent, wherein the subcomponent includes zinc oxide (ZnO) as a first subcomponent, and the content of the ZnO is 0.1 mol % or more and less than 0.4 mol % with respect to 100 mol % of the base material main component.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyung Sik Kim, Ji Hong Jo
  • Glass ceramic material, laminate, and electronic component
    Patent number: 11760686
    Abstract: The glass ceramic material of the present disclosure contains a glass that contains SiO2, B2O3, Al2O3, and M2O, where M is an alkali metal, and a filler that contains quartz, Al2O3, and ZrO2. The glass ceramic material contains the glass in an amount of 57.4% by weight or more and 67.4% by weight or less, the quartz in the filler in an amount of 29% by weight or more and 39% by weight or less, the Al2O3 in the filler in an amount of 1.8% by weight or more and 5% by weight or less, and the ZrO2 in the filler in an amount of 0.3% by weight or more and 1.8% by weight or less.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: September 19, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yasutaka Sugimoto, Sadaaki Sakamoto, Yutaka Senshu
  • Manufacturing method of ceramic powder
    Patent number: 11756736
    Abstract: A manufacturing method of ceramic powder includes mixing a barium carbonate having a specific surface are of 15 m2/g or more, a titanium dioxide having a specific surface area of 20 m2/g or more, a first compound of a donor element having a larger valence than Ti, and a second compound of an acceptor element having a smaller valence than Ti and having a larger ion radium than Ti and the donor element, and synthesizing barium titanate powder by calcining the barium carbonate, the titanium dioxide, the first compound and the second compound until a specific surface area of the barium titanate powder becomes 4 m2/g or more and 25 m2/g or less.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: September 12, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Chie Kawamura, Kazumichi Hiroi, Osamu Hattori
  • Sintered body, substrate, circuit board, and manufacturing method of sintered boy
    Patent number: 11758651
    Abstract: A sintered body includes a crystal grain containing silicon nitride, and a grain boundary phase. If dielectric losses of the sintered body are measured while applying an alternating voltage to the sintered body and continuously changing a frequency of the alternating voltage from 50 Hz to 1 MHz, an average value ?A of dielectric losses of the sintered body in a frequency band from 800 kHz to 1 MHz and an average value ?B of dielectric losses of the sintered body in a frequency band from 100 Hz to 200 Hz satisfy an expression |?A??B|?0.1.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: September 12, 2023
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.
    Inventors: Jun Momma, Katsuyuki Aoki, Satoshi Takahashi
  • Glass plate and method for manufacturing same
    Patent number: 11753329
    Abstract: A glass sheet of the present invention has a content of Li2O+Na2O+K2O of from 0 mol % to less than 1.0 mol % and a content of B2O3 of from 0 mol % to less than 2.0 mol % in a glass composition, has a ?-OH value of less than 0.20/mm, and has a thermal shrinkage ratio of 20 ppm or less when increased in temperature from normal temperature at a rate of 5° C./min, kept at a temperature of 500° C. for 1 hour, and decreased in temperature at a rate of 5° C./min.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: September 12, 2023
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Atsuki Saito
  • Refractory compositions and in situ anti-oxidation barrier layers
    Patent number: 11746053
    Abstract: A refractory composition for forming a working lining in a metallurgical vessel contains a coarse-grain refractory particle fraction and a fine-grain refractory particle fraction, or at least 0.25% additive calcium oxide, or at least 0.25% titanium dioxide. The coarse-grain refractory particles can include alumina particles, magnesia particles, magnesium aluminate spinel particles, zirconia particles, or doloma particles, or a combination of any of these particles. The fine-grain refractory particles can be comprised of any low-magnesia refractory oxide. The refractory composition can be applied to a metallurgical vessel by spraying, gunning, shotcreting, vibrating, casting, troweling, or positioning preformed refractory shapes, or a combination of any of these techniques.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: September 5, 2023
    Assignee: Vesuvius USA Corporation
    Inventors: Beda Mohanty, Daniel T Schaner, Roger L Maddalena
  • Glass-ceramics and glass-ceramic articles with UV- and NIR-blocking characteristics
    Patent number: 11746041
    Abstract: Embodiments of a glass-ceramic, glass-ceramic article or glass-ceramic window that includes 40 mol %?SiO2?80 mol %; 1 mol %?AI2O3?15 mol %; 3 mol %?B2O3?50 mol %; 0 mol %?R2O?15 mol %; 0 mol %?RO?2 mol %; 0 mol %?P2O5?3 mol %; 0 mol %?SnO2?0.5 mol %; 0.1 mol %?MoO3?15 mol %; and 0 mol %?WO3?10 mol % (or 0 mol %<MoO3?15 mol %; 0.1 mol %?WO3?10 mol %; and 0.01 mol %?V2O5?0.2 mol %), wherein the WO3 (mol %) plus the MoO3 (mol %) is from 1 mol % to 19 mol %, and wherein R2O (mol %) minus the AI2O3 (mol %) is from ?12 mol % to 4 mol %, are disclosed.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: September 5, 2023
    Assignee: Corning Incorporated
    Inventors: Matthew John Dejneka, Stuart Gray, Jesse Kohl, Stephan Lvovich Logunov
  • Zirconia sintered body and production method thereof
    Patent number: 11746055
    Abstract: A zirconia powder is provided comprising a yttria source and zirconia, wherein a content of the yttria source is 4.5 mol % or more and 6.5 mol % or less and the remainder is zirconia, a ratio of a total of tetragonal and cubic crystals to an entire crystal phase of zirconia is 90% or less, a BET specific surface area is 7.5 m2/g or more and 15 m2/g or less, and an average crystallite size is 325 ? or greater. The powders are useful in producing sintered bodies having the mechanical strength and the translucency desired for use in dental prosthetic materials, and precursors thereof.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: September 5, 2023
    Assignee: TOSOH CORPORATION
    Inventors: Akiko Ito, Ayako Watanabe, Sho Azechi, Hitoshi Nagayama, Hiroyuki Fujisaki
  • Metal-glass macrocomposites and compositions and methods of making
    Patent number: 11746044
    Abstract: A glass composition, a macrocomposite, and methods of forming the macrocomposite including dispersing or immersing a metal in a glass. Preferably, the macrocomposite does not include an organic resin, an adhesive, or a polymer.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: September 5, 2023
    Assignee: UPTERIOR, LLC
    Inventors: Agnieszka Zielinska, Anna Zielinska, Marian Klisch
  • Zirconia sintered body and method for manufacturing the same
    Patent number: 11746054
    Abstract: A method for manufacturing a zirconia sintered body includes molding a powder composition that has a yttria content of more than 3% by mole and 5.2% by mole or less and that contains a first zirconia powder having a yttria content of 2% by mole or more and 4% by mole or less and a second zirconia powder having a yttria content of more than 4% by mole and 6% by mole or less to obtain a green body, and sintering the green body to obtain a sintered body.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: September 5, 2023
    Assignee: TOSOH CORPORATION
    Inventors: Kiyotaka Kawamura, Akiko Ito, Hiroyuki Fujisaki, Sho Azechi
  • Modified NiTaO-based microwave dielectric ceramic material co- sintered at low temperature and its preparation method
    Patent number: 11746056
    Abstract: The invention belongs to the field of electronic ceramics and its manufacturing, in particular to the modified NiTa2O6-based microwave dielectric ceramic material co-sintered at low temperature and its preparation method. Based on the low melting point characteristics of CuO and B2O3, and the radius of Cu2+ ions is similar to that of Ni2+ and Ta5+ ions, the chemical general formula of the invention is designed as xCuO-(1-x)NiO-[7.42y+(xy/14.33)]B2O3—Ta2O5, and the molar content of each component is adjusted from raw materials. The main crystalline phase of NiTa2O6 is synthesized at a lower pre-sintering temperature, and NiTa2O6-based ceramic material with low-temperature sintering characteristics and excellent microwave dielectric properties are directly synthesized at one time, which broadened the application range in LTCC field.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: September 5, 2023
    Assignee: Yangtze Delta Region Institute of University of Electronic Science and Technology of China, Huzhou
    Inventors: MengJiang Xing, XiaoZhen Li, HongYu Yang, MingShan Qu
  • Sandwich-structured dielectric materials for pulse energy storage as well as preparation method and application thereof
    Patent number: 11735360
    Abstract: A sandwich-structured dielectric material for pulse energy storage is provided as well as a preparation method thereof. Employing a sandwich structure and combining the properties of ceramic-glass materials prepares a high performance dielectric material for pulse energy storage, in which the ceramic dielectric is core-shell structured powder of BaxSr1-xTiO3 coated with SiO2, and the glass material is alkali-free glass AF45, of which the chemical composition is 63% SiO2-12% BaO-16% B2O3-9% Al2O3. AF45 alkali-free glass paste is spin-coated on both sides of the ceramic and calcined to get a layer-structured material of glass-ceramic-glass.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: August 22, 2023
    Assignee: South China University of Techology
    Inventors: Ming Lv, Ruqiang Li, Yani Wei, Qiutan Lai
  • Powder for coating an etch chamber
    Patent number: 11731883
    Abstract: A powder of melted particles, more than 95% by number of the particles exhibiting a circularity of greater than or equal to 0.85. The powder including more than 99.8% of a rare earth metal oxide and/or of hafnium oxide and/or of an aluminum oxide, as percentage by mass based on the oxides. The powder has a median particle size D50 of less than 15 ?m, a 90 percentile of the particle sizes, D90, of less than 30 ?m, and a size dispersion index (D90?D10)/D10 of less than 2, and a relative density of greater than 90%. The Dn percentiles of the powder are the particle sizes corresponding to the percentages, by number, of n %, on the cumulative distribution curve of the size of the particles in the powder and the particle sizes are classified by increasing order.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: August 22, 2023
    Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Alain Allimant, Howard Wallar
  • Dielectric ceramic composition and multilayer ceramic capacitor comprising the same
    Patent number: 11735361
    Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor including the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and niobium (Nb) as first accessory ingredients. A total content of the Dy and Nb is less than or equal to 1.5 mol, based on 100 mol of Ti of the base material main ingredient, and a content of the Dy satisfies 0.7 mol<Dy<1.1 mol, based on 100 mol of Ti of the base material main ingredient.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Young Choi, Hyung Soon Kwon, Seung In Baik, Ji Hong Jo
  • Dielectric ceramic composition and multilayer ceramic capacitor comprising the same
    Patent number: 11735362
    Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and cerium (Ce) as first accessory ingredients. A total content of Dy and Ce is greater than 0.25 mol % and equal to or less than 1.0 mol % based on 100 mol % of the base material main ingredient.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: In Tae Seo, Kyung Sik Kim, Sea Hanna Doo, Ji Hong Jo