Patents Examined by Lynne Edmondson
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Patent number: 10260132Abstract: In an embodiment, a magnetic body includes soft magnetic alloy grains 11 containing Fe, element L, and element M (where element L is Si or Zr and element M is a metal element other than Si or Zr that oxidizes more easily than Fe), as well as oxide film produced from oxidization of part of these grains 11; wherein at least some of the bonds between adjacent soft magnetic alloy grains 11 are by way of the oxide film; the oxide film has an inner film 12a, and an outer film 12b positioned on the outer side of the inner film 12a; and the inner film 12a contains more of element L than element M, while the outer film 12b contains more of element M than element L.Type: GrantFiled: March 31, 2016Date of Patent: April 16, 2019Assignee: TAIYO YUDEN CO., LTD.Inventors: Minoru Ryu, Shinsuke Takeoka, Yoko Orimo, Yoshiki Iwazaki, Kenji Otake
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Patent number: 10253256Abstract: The presently disclosed subject matter provides processes for preparing nanocrystals, including processes for preparing core-shell nanocrystals. The presently disclosed subject matter also provides sulfur and selenium compounds as precursors to nanostructured materials. The presently disclosed subject matter also provides nanocrystals having a particular particle size distribution.Type: GrantFiled: September 26, 2014Date of Patent: April 9, 2019Assignee: The Trustees of Columbia University in the City of New YorkInventors: Jonathan S. Owen, Mark P. Hendricks, Michael P. Campos
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Patent number: 10230022Abstract: A lighting apparatus is presented. The lighting apparatus includes a semiconductor light source, a color stable Mn4+ doped phosphor and a quantum dot material, each of the color stable Mn4+ doped phosphor and the quantum dot material being radiationally coupled to the semiconductor light source. A percentage intensity loss of the color stable Mn4+ doped phosphor after exposure to a light flux of at least 20 w/cm2 at a temperature of at least 50 degrees Celsius for at least 21 hours is ?4%. A backlight device including the lighting apparatus is also presented.Type: GrantFiled: December 8, 2015Date of Patent: March 12, 2019Assignee: General Electric CompanyInventors: Anant Achyut Setlur, James Edward Murphy, Florencio Garcia, Srinivas Prasad Sista
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Patent number: 10221468Abstract: Additive manufacturing methods, and articles made using additive manufacturing methods, are described herein. One embodiment is an article that comprises a hafnium-bearing superalloy. The superalloy includes at least about 50 weight percent nickel, from about 0.015 weight percent to about 0.06 weight percent carbon, and up to about 0.8 weight percent hafnium. The article further includes a plurality of primary carbide phase particulates disposed within the superalloy; the plurality has a median size less than about 1 micrometer. A method includes melting and solidifying particulates of a metal powder feedstock to build an intermediate article comprising a series of layers of solidified material. The feedstock includes the above-described superalloy composition. The method further includes heating the intermediate article to a temperature of at least about 950 degrees Celsius to form a processed article.Type: GrantFiled: June 30, 2016Date of Patent: March 5, 2019Assignee: General Electric CompanyInventors: Laura Cerully Dial, Srikanth Chandrudu Kottilingam
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Patent number: 10204723Abstract: Core-shell particles containing crystalline iron oxide in the core and amorphous silicon dioxide in the shell and in which a) the shell contains from 5 to 40% by weight of silicon dioxide, b) the core contains b1) from 60 to 95% by weight of iron oxide and b2) from 0.5 to 5% by weight of at least one doping component selected from the group consisting of aluminum, calcium, copper, magnesium, silver, titanium, yttrium, zinc, tin and zirconium, c) where the % by weight indicated are based on the core-shell particles and the sum of a) and b) is at least 98% by weight of the core-shell particles, d) the core has lattice plane spacings of 0.20 nm, 0.25 nm and 0.29 nm, in each case+/?0.02 nm, determined by means of HR-TEM.Type: GrantFiled: July 17, 2013Date of Patent: February 12, 2019Assignee: EVONIK DEGUSSA GmbHInventors: Stipan Katusic, Harald Alff, Peter Albers, Harald Herzog, Peter Kress
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Patent number: 10195698Abstract: A lead-free, tin-based solder alloy contains about 0.6 to about 0.8 wt % copper, about 2.8 to about 3.2 wt % silver, about 2.8 to about 3.2 wt % bismuth, about 0.5 to about 0.7 wt % antimony, about 0.04 to about 0.07 wt % nickel, and about 0.007 to about 0.Type: GrantFiled: August 31, 2016Date of Patent: February 5, 2019Assignee: AIM Metals & Alloys Inc.Inventors: Mehran Maalekian, Karl Seelig
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Patent number: 10144869Abstract: Provided are a blue phosphor and a method of easily producing the phosphor, the phosphor being excited at a wavelength of about 400 nm, which is an emission wavelength of a near-ultraviolet LED, to emit high-intensity light and having a small change of emission intensity due to a change of an excitation wavelength. The phosphor is silicate phosphor that is represented by a composition formula of Ba1?xEuxZrSiyO3+2y (where 0.001?x?5 and 2.5?y?3); has a diffraction pattern of BaZrSi3O9 as a powder x-ray diffraction pattern; has an emission intensity at an excitation wavelength of 400 nm, the emission intensity being 40% or higher of an emission intensity at an excitation wavelength of 300 nm; and has an emission intensity change ratio represented by (Iex380 nm?Iex420 nm)/Iex380 nm×100, emission intensity change ratio being 30% or lower in a range of excitation wavelengths of 380 nm to 420 nm.Type: GrantFiled: July 6, 2012Date of Patent: December 4, 2018Assignees: SUMITOMO METAL MINING CO., LTD., TOHOKU UNIVERSITYInventors: Komukai Tetsufumi, Takatsuka Yuji, Kakihana Masato, Tezuka Satoko, Kato Hideki
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Patent number: 10144868Abstract: The present invention relates to a novel method for preparing a water-insoluble metal hydroxide, and a use thereof. The water-insoluble metal hydroxide of the present invention is conveniently and efficiently prepared s through the high-temperature heat treatment step two times and the washing step, and thus contains a small amount of an alkali metal and has a high crystallinity and a phase purity. The water-insoluble metal hydroxide of the present invention or metal oxide therefrom exhibits an absorption wavelength at a low wavelength range (for example, 490 nm or less) and a light emitting wavelength at a high wavelength range (for example, from 500 nm or more to less than 1,100 nm).Type: GrantFiled: November 24, 2014Date of Patent: December 4, 2018Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: So Hye Cho, Seung Yong Lee, Khan Sovann, Jong Ku Park, Sun Jin Kim, Ho Seong Jang
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Patent number: 10118834Abstract: Monodisperse colloidal nanocrystal clusters of magnetite (Fe3O4) with tunable sizes from about thirty to about three hundred nanometers have been synthesized using a high-temperature hydrolysis process. The colloidal nanocrystal clusters are capped with polyelectrolytes, and highly water soluble. Each cluster is composed of many single magnetite crystallites, thus retaining the superparamagnetic behavior at room temperature. The combination of superparamagnetic property, high magnetization, and high water dispersibility makes the colloidal nanocrystal clusters ideal candidates for various important biomedical applications such as drug delivery and bioseparation. The present invention is further directed to methods for forming colloidal photonic crystals from both aqueous and nonaqueous solutions of the superparamagnetic colloidal nanocrystal clusters with an external magnetic field applied thereto.Type: GrantFiled: April 26, 2008Date of Patent: November 6, 2018Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Yadong Yin, Jianping Ge
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Patent number: 10113110Abstract: Described herein is a boron-loaded liquid scintillator composition comprising a scintillation solvent including at least one linear alkylbenzene (LAB), diisopropyl naphthalene (DIN) or phenylxylyl ethane (PXE), or a combination of one or more thereof; at least one boron-containing material; one or more fluors, such as 2,5-diphenyloxazole (PPO), and optionally one or more wavelength shifters, such as 1,4-bis[2-methylstyryl]benzene (bis-MSB). The boron-containing material may comprise a carborane, such as o-carborane, especially those enriched in Boron-10. Methods of preparation of the liquid scintillator composition are also described, as well as concentrates thereof.Type: GrantFiled: February 15, 2013Date of Patent: October 30, 2018Assignee: ATOMIC ENERGY OF CANADA LIMITEDInventors: Xiongxin Dai, Bhaskar Sur, Ghaouti Bentoumi, Liqian Li, Guy Jonkmans
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Patent number: 10093856Abstract: A garnet ceramic phosphor with Ce and Mn co-doping, wherein calcium and silicon in the phosphor crystal host can be minimized for enhancing performance, is described herein. Also a ceramic phosphor element comprising a garnet phosphor having composition of formula 1 or 2 is described herein: (A1-x,Cex)3(Al1-y,Mny)5-wSiwO12??(Formula 1) (Lu1-x,Cex)3(Al1-y,Mny)5-wSiwO12??(Formula 2).Type: GrantFiled: June 8, 2016Date of Patent: October 9, 2018Assignee: Nitto Denko CorporationInventors: Hiroaki Miyagawa, Ekambaram Sambandan, Bin Zhang
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Patent number: 10093855Abstract: A method for producing a ?-sialon fluorescent material is provided. The method includes heat-treating a mixture containing an aluminum compound, a first europium compound, and silicon nitride to obtain a first heat-treated product; and heat-treating the first heat-treated product with a second europium compound in a rare gas atmosphere to obtain a second heat-treated product.Type: GrantFiled: June 3, 2016Date of Patent: October 9, 2018Assignee: NICHIA CORPORATIONInventors: Kenichi Aoyagi, Takashi Kaide, Motoharu Morikawa, Shoji Hosokawa
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Patent number: 10079336Abstract: A composite piezoelectric material, manufacturing of the composite material and use of this composite material in piezoelectric components are disclosed. More particularly, a piezoelectric thick film materials or piezoelectric paint being a composite piezoelectric material including piezoelectric particles randomly dispersed within a polymer matrix are disclosed. A paste of composite piezoelectric material including a matrix of polymer having a relative permittivity ?3, normally ?6, sintered piezoelectric particles having a relative permittivity in the range of 100-5000, normally in the range of 400-1000 and an average particle size between 1 and 50 ?m, although the particles should be smaller than 1/10 of the final thickness of the final layer of piezoelectric material, and additives such as dispersing agents or thinner are disclosed where the final paste has a 0-3 connectivity pattern, a content of sintered piezoelectric particles between 15 and 75 vol %, normally between 40 and 60 vol %.Type: GrantFiled: January 13, 2014Date of Patent: September 18, 2018Assignee: MEGGITT A/SInventors: Tomasz Zawada, Karsten Hansen, Konstantin Astafiev, Erling Ringgaard
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Patent number: 10072206Abstract: Processes for preparing color stable red-emitting phosphors include contacting a complex fluoride phosphor of formula I with a first fluorine-containing oxidizing agent in gaseous form at a first temperature ranging from 200° C. to 700° C. to form a first product phosphor, contacting the first product phosphor in particulate form with a solution of a compound of formula II in aqueous hydrofluoric acid to form a treated phosphor, and contacting the treated phosphor with a second fluorine-containing oxidizing agent in gaseous form at a second temperature <225° C., AxMFy:MN4+??I AxMFy??II wherein A is independently at each occurrence Li, Na, K, Rb, Cs or a combination thereof, M is independently at each occurrence Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof, x is absolute value of the charge of the MFy ion; and y is 5, 6 or 7.Type: GrantFiled: June 30, 2016Date of Patent: September 11, 2018Assignee: General Electric CompanyInventors: James Edward Murphy, Fangming Du, Anant Achyut Setlur
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Patent number: 10067138Abstract: Provided are a fluorescent particle and a method for manufacturing the same. The fluorescent particle may include a gold nanoparticle; a silica shell covering the gold nanoparticle; and lanthanide group complex particles dispersed in the silica shell. Each of the lanthanide group complex particles may include a lanthanide group ion; a ligand bonded to the lanthanide group ion and including phosphorus; and a ligand bonded to the lanthanide group ion and having a beta diketone functional group. The fluorescent particle is observable with the naked eye and may emit light when ultraviolet light is irradiated. The fluorescent particle may be used for detecting and analyzing biomaterial samples.Type: GrantFiled: August 18, 2014Date of Patent: September 4, 2018Assignee: MEDISENSOR, INC.Inventors: So yeon Kim, Nae Young Heo, Jeaan Jung, Won Jung Kim, Byung Gap Hwang, Young Seop Kim, Myoung Hoon Lee
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Patent number: 10066159Abstract: A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a phthalic acid derivative attached to the core/shell nanoparticle outer surface, wherein the phthalic acid derivative (prior to attachment to the nanoparticle) has the following Formula (I): wherein each R is independently a linear or branched alkyl group having 6 or more carbon atoms and wherein n is 1 or 2.Type: GrantFiled: December 2, 2014Date of Patent: September 4, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Dennis E. Vogel
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Patent number: 10047286Abstract: A process for preparing a Mn+4 doped phosphor of formula I Ax[MFy|:Mn+4??I includes gradually adding a first solution to a second solution and periodically discharging the product liquor from the reactor while volume of the product liquor in the reactor remains constant; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7. The first solution includes a source of M and HF and the second solution includes a source of Mn to a reactor in the presence of a source of A.Type: GrantFiled: November 24, 2015Date of Patent: August 14, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Fangming Du, William Winder Beers, William Erwin Cohen, Clark David Nelson, Jenna Marie Novak, John Matthew Root, James Edward Murphy, Srinivas Prasad Sista
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Patent number: 10041246Abstract: The present invention relates to a sprayable, thermal and acoustic insulating surfacing based on cork and applicable on façades and walls or ceilings, both indoors and outdoors, consisting of a binding aqueous dispersion including: acrylic copolymer; polyvinyl alcohol; sodium carboxymethyl cellulose; ultrafine talcum powder; wetting agents and surfactants; preservative; terbutryn with 3-iodo-2-propynyl butylcarbamate; and water.Type: GrantFiled: July 28, 2016Date of Patent: August 7, 2018Assignee: INDUSTRIAS KOLMER, S.A.Inventor: Joaquin Ruiz Vico
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Patent number: 10038132Abstract: Disclosed is a thermoelectric material with excellent thermoelectric performance. The thermoelectric material is expressed by Chemical Formula 1 below: CuxSe1-yQy??<Chemical Formula 1> where Q is at least one element selected from the group consisting of S and Te, 2<x?2.6 and 0<y<1.Type: GrantFiled: October 16, 2014Date of Patent: July 31, 2018Assignee: LG CHEM, LTD.Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park
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Patent number: 10037839Abstract: A magnetic hydrotalcite composite which is useful in fields such as wastewater treatment, ultraviolet absorption, electromagnetic wave absorption and acid gas absorption, and a production method thereof. The magnetic hydrotalcite composite comprises an inner layer and an outer layer, in which the inner layer is made of a hydrotalcite compound and the outer layer is made of a ferrite compound.Type: GrantFiled: December 2, 2014Date of Patent: July 31, 2018Assignee: KYOWA CHEMICAL INDUSTRY CO., LTD.Inventors: Xing Dong Wang, Yoshihito Iwamoto, Koichi Nedachi