Abstract: Provided is an ?-iron oxide type ferromagnetic powder with a powder pH within a range of 4.8 to 6.8; and a method for manufacturing the ?-iron oxide type ferromagnetic powder and a composition containing at least the ?-iron oxide type ferromagnetic powder and a solvent.
Abstract: There is provided a compound which provides a semiconductor material. The compound is represented by General Formula (1) wherein Ar represents an aryl group which may have a substituent or a heteroaryl group which may have a substituent, and R1 represents an acyclic alkyl group having 1 to 20 carbon atoms wherein hydrogen atom in the alkyl group may be replaced by a halogeno group, a nitrile group or an aryl group, and —CH2— in the alkyl group may be replaced by —O—, —R?C?CR?—, —CO—, —OCO—, —COO—, —S—, —SO2—, —SO—, —NH—, —NR?— or —C?C— provided that, with respect to each of an oxygen atom, a sulfur atom and a nitrogen atom, the same atoms are not directly bonded to each other, wherein R? represents an acyclic or cyclic alkyl group having 1 to 20 carbon atoms.
Type:
Grant
Filed:
March 14, 2017
Date of Patent:
June 7, 2022
Assignee:
DIC Corporation
Inventors:
Sho Inagaki, Aya Ishizuka, Hideki Etori
Abstract: The present invention discloses a process for the preparation of metal sulphide quantum dots by using a very low cost sulphur precursor as a sulphur source. The metal sulphide quantum dots finds application in optical devices selected from photovoltaic cells, photodetectors and light-emission devices.
Type:
Grant
Filed:
October 27, 2017
Date of Patent:
June 7, 2022
Assignee:
COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
Inventors:
Bhagavatula Lakshmi Vara Prasad, Abhjit Bera
Abstract: Provided are a high-strength hot-rolled steel sheet and a method for manufacturing the steel sheet. The steel sheet includes C: 0.060% or more and 0.140% or less, Si: 1.00% or less, Mn: 1.30% or more and 2.50% or less, P: 0.030% or less, S: 0.0050% or less, Al: 0.070% or less, N: 0.010% or less, Ti: 0.060% or more and 0.140% or less, Cr: 0.10% or more and 0.50% or less, B: 0.0002% or more and 0.0020% or less, and the balance being Fe and inevitable impurities, in which the relationship 5.0?18C+Mn+1.3Cr+1500B?6.0 is obtained. The microstructure includes a bainite phase in an amount of more than 90% one, two, or all of a ferrite phase, a martensite phase, and a retained austenite phase in an amount of less than 10%.
Abstract: A material that includes a polymer foam and at least one polar dopant molecule included in the polymer foam, wherein the material is a piezoelectric.
Type:
Grant
Filed:
January 30, 2017
Date of Patent:
May 17, 2022
Assignee:
University of Pittsburgh—Of the Commonwealth System of Higher Education
Inventors:
Geoffrey R. Hutchison, Michael James Moody
Abstract: A method of manufacturing a magnetoelectric composite material having a 0-3 type connectivity is provided. The manufacturing method includes manufacturing a slurry including an alignment material including one material selected from among a magnetostrictive material and a piezoelectric material. The slurry further comprises a seed composition comprising the other material from the magnetostrictive material and the piezoelectric material. The method further comprises molding the manufactured slurry to manufacture a molding material, and plasticizing and firing the molding material.
Abstract: Provided is a wavelength converting member and a method of producing the same. Proposed is a wavelength converting member including: a fluorescent material containing at least one kind selected from a nitride-based fluorescent material and an oxynitride-based fluorescent material; and an aluminate containing at least one kind selected from the group consisting of a rare earth aluminate and an alkaline earth metal aluminate. Further, a method of producing a wavelength converting member, including: preparing a molded body obtained by mixing a fluorescent material containing at least one kind selected from a nitride-based fluorescent material and an oxynitride-based fluorescent material and an aluminate containing at least one kind selected from the group consisting of a rare earth aluminate and an alkaline earth metal aluminate; and sintering the molded body to obtain a wavelength converting member containing the fluorescent material and the aluminate, is proposed.
Abstract: The silicate of magnesium and of barium, strontium or calcium of the invention is characterized in that it is in the form of a suspension of solid crystallized particles in a liquid phase, said particles having a mean size between 0.1 ?m and 1 ?m. It is prepared by spray-drying a liquid mixture comprising compounds of magnesium, of silicium and of at least one first element chosen from barium, strontium and calcium, by submitting the dried mixture to a first calcination in air and to a second calcination in a reducing atmosphere and by wet milling the calcined mixture.
Abstract: A sintered ferrite magnet represented by the general formula of Ca1-xLaxFe2n-y-zCoyZnz expressing the atomic ratios of metal elements of Ca, La, Fe, Co and Zn, wherein x, y, z, and n [2n is a molar ratio represented by 2n=(Fe+Co+Zn)/(Ca+La)] meet 0.4<x<0.75, 0.15?y<0.4, 0.11?z<0.4, 0.26?(y+z)<0.65, and 3?n?6.
Abstract: The present invention relates to a composition for bonded magnets having good hot water resistance and a method of manufacturing the composition. The method of manufacturing a composition for bonded magnets includes: obtaining a first kneaded mixture by kneading a rare earth-iron-nitrogen-based magnetic powder and an acid-modified polypropylene resin; and obtaining a second kneaded mixture by kneading the first kneaded mixture with a polypropylene resin and an amorphous resin having a glass transition temperature of 120° C. or higher and 250° C. or lower, wherein, with respect to 100 parts by weight of the rare earth-iron-nitrogen-based magnetic powder, the amount of the acid-modified polypropylene resin is 3.5 parts by weight or greater and less than 10.4 parts by weight, and the total amount of the polypropylene resin and the amorphous resin is 0.35 part by weight or greater and less than 3.88 parts by weight.
Abstract: The present invention relates to a heat insulation composition, containing aerogel, with improved heat insulation and soundproofing properties, and a method for manufacturing a heat insulation fabric by using the same. The heat insulation composition is prepared by mixing solvent, aerogel powder, adhesive binder and carbon black powder, thereby improving the heat insulation property at an extremely low temperature and at a high temperature, and also enhancing the soundproofing property.
Type:
Grant
Filed:
May 10, 2019
Date of Patent:
March 1, 2022
Assignee:
ARMACELL JIOS AEROGELS LIMITED
Inventors:
Young chul Joung, Myung je Roh, Jong chul Park, Min woo Kim, Mun hyeong Lee, Choon Soo Hahn
Abstract: A method of manufacturing a conversion element is disclosed. A precursor material is selected from one or more of lutetium, aluminum and a rare-earth element. The precursor material is mixed with a binder and a solvent to obtain a slurry. A green body is formed from the slurry and the green body is sintered to obtain the conversion element. The sintering is performed at a temperature of more than 1720° C.
Type:
Grant
Filed:
August 10, 2018
Date of Patent:
February 22, 2022
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH
Inventors:
Darshan Kundaliya, Jeffery J. Serre, James Avallon, Kathleen A. Lawson
Abstract: For applications in the fields of organic electronics and photonics, disclosed are fluorescent charge-transfer compounds emitting in the visible spectral range from blue to red, including a triarylamine moiety, an electron-withdrawing group and at least two photopolymerizable groups. Also disclosed is a method for manufacturing a film-forming and photo-crosslinkable composition including at least one compound of the invention and its use as a precursor of a photocrosslinked emissive layer.
Type:
Grant
Filed:
February 23, 2016
Date of Patent:
January 18, 2022
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (CEA), UNIVERSITE DE NANTES
Inventors:
Elena Ishow, Simon Olivier, Tony Maindron, Bernard Geffroy
Abstract: The present invention relates to the field of forehearth frits, pearls, and/or concentrates for use in glass compositions. In particular, the present invention provides a system of forehearth frits, pearls, and/or concentrates that is capable of parting a fluorescent effect to a glass composition by adding a fluorescent glass fit, pearl or concentrate in the forehearth of a glass furnace, to form fluorescent glass and a method of using the fluorescent system of forehearth frits, pearls, and/or concentrates.
Type:
Grant
Filed:
August 2, 2016
Date of Patent:
January 18, 2022
Assignee:
Ferro Corporation
Inventors:
Yasin Musa Mehmet Duman, Stéphane François Yves Bodin, Benoit Darbouret
Abstract: The present invention has as its object to provide thickness 60 ?m or less ultra-thin stainless steel foil which secures high thickness precision and simultaneously secures plastic deformability and good elongation at break, that is, secures good press-formability (deep drawability). The present invention solves this problem by ultra-thin stainless steel foil which has three or more crystal grains in a thickness direction, has a recrystallization rate of 90% to 100%, and has a nitrogen concentration of a surface layer of 1.0 mass % or less. For this reason, there is provided a method of production of stainless steel foil comprising rolling stainless steel sheet, then performing final annealing and making a thickness 5 ?m to 60 ?m, wherein a rolling reduction ratio at rolling right before final annealing is 30% or more, a temperature of final annealing after rolling is 950° C. to 1050° C. in the case of austenitic stainless steel and 850° C. to 950° C.
Type:
Grant
Filed:
February 16, 2015
Date of Patent:
December 14, 2021
Assignee:
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Abstract: A process for preparing a Mn+4 doped phosphor of formula I Ax[MFy]:Mn+4?? I includes combining a first solution comprising a source of A and a second solution comprising H2MF6 in the presence of a source of Mn, to form the Mn+4 doped phosphor; 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; y is 5, 6 or 7; and wherein a value of a Hammett acidity function of the first solution is at least ?0.9. Particles produced by the process may have a particle size distribution with a D50 particle size of less than 10 ?m.
Type:
Grant
Filed:
December 2, 2017
Date of Patent:
December 7, 2021
Assignee:
CURRENT LIGHTING SOLUTIONS, LLC
Inventors:
James Edward Murphy, Srinivas Prasad Sista, Samuel Joseph Camardello
Abstract: The disclosure describes techniques for forming nanoparticles including Fe16N2 phase. In some examples, the nanoparticles may be formed by first forming nanoparticles including iron, nitrogen, and at least one of carbon or boron. The carbon or boron may be incorporated into the nanoparticles such that the iron, nitrogen, and at least one of carbon or boron are mixed. Alternatively, the at least one of carbon or boron may be coated on a surface of a nanoparticle including iron and nitrogen. The nano particle including iron, nitrogen, and at least one of carbon or boron then may be annealed to form at least one phase domain including at least one of Fe16N2, Fe16(NB)2, Fe16(NC)2, or Fe16(NCB)2.
Type:
Grant
Filed:
March 26, 2015
Date of Patent:
December 7, 2021
Assignees:
REGENTS OF THE UNIVERSITY OF MINNESOTA, UT-BATTELLE, LLC, UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION
Inventors:
Jian-Ping Wang, Yanfeng Jiang, Craig A. Bridges, Michael Brady, Orlando Rios, Roberta A. Meisner, Lawrence F. Allard, Edgar Lara-Curzio, Shihai He
Abstract: Provided are an aromatic compound enhancing emission efficiency of blue light emitting region and an organic electroluminescence device including the same. The aromatic compound according to an embodiment of the inventive concept is represented by Formula 1, and more details about the constituents are provided in the disclosure.
Abstract: The invention relates to a plate with a thickness of 0.5 to 9 mm with an essentially recrystallized granular structure, made from an alloy based on aluminum, comprising 2.8 to 3.2% by weight Cu, 0.5 to 0.8% by weight Li, 0.1 to 0.3% by weight Ag, 0.2 to 0.7% by weight Mg, 0.2 to 0.6% by weight Mn, 0.01 to 0.15% by weight Ti, a quantity of Zn below 0.2% by weight, a quantity of Fe and Si of less than or equal to 0.1% by weight each, and unavoidable impurities to a proportion of less than or equal to 0.05% by weight each and 0.15% by weight in total, said plate being obtained by a method comprising casting, homogenization, hot rolling and optionally cold rolling, solution heat treatment, quenching and aging. The plates according to the invention are advantageous in particular for the manufacture of aircraft fuselage panels.
Type:
Grant
Filed:
October 1, 2015
Date of Patent:
November 16, 2021
Assignee:
CONSTELLIUM ISSOIRE
Inventors:
Juliette Chevy, Bernard Bes, Frank Eberl