Patents Examined by Ngoc-Yen Nguyen
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Patent number: 11643330Abstract: Chlorosilanes are produced in exalted yield in a fluidized bed process when the reactor hydraulic diameter, Sauter particle diameter, and superficial gas velocity are used to define a parameter space as a function of Reynolds number and Archimedes number.Type: GrantFiled: October 5, 2017Date of Patent: May 9, 2023Assignee: WACKER CHEMIE AGInventors: Karl-Heinz Rimboeck, Karone Aseervatham, Michael Mueller, Natalia Sofina
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Patent number: 11634338Abstract: A method of producing particles of aluminum chlorohydrate includes (a) feeding a solution of aluminum chloride through an atomizer associated with a spray dryer, so that a spray of droplets of the solution is formed in the spray dryer, (b) operating the dryer at a temperature sufficient to cause transformation of the droplets into crystal particulates and to dry the crystal particulates, such dried crystal particulates being aluminum chlorohydrate, and (c) recovering the dried crystal particulates. A product produced by the process is also described.Type: GrantFiled: March 10, 2017Date of Patent: April 25, 2023Assignee: USALCO, LLCInventor: Bruce Wonder
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Patent number: 11613465Abstract: The invention relates to a method for producing a fluorine- and sulphur-bearing compound of formula F—SO—R (I) or F—SO2—R (II), comprising the reaction, in the presence of water, of at least one salt providing a fluoride anion and at least one halgoenosulfoxide compound of formula X—SO—R? (I0) from a halogenosulfonyl compound of formula X—SO2—R? (II0), in which X is a halogen atom other than fluorine and R and R? are each a group linked by a covalent bond to the sulphur atom, said bond linking the sulphur atom with a nitrogen atom. The invention also relates to a method for producing salts of a fluorine- and sulphur-bearing compound of formula F—SO—R (I) or F—SO2—R (II) which are advantageously used as electrolyte salts, as precursors of antistatic agents or as surfactant precursors.Type: GrantFiled: December 3, 2014Date of Patent: March 28, 2023Assignee: RHODIA OPERATIONSInventors: Olivier Buisine, François Metz
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Patent number: 11597650Abstract: The present invention relates to a novel method for preparing lithium bis(fluorosulfonyl)imide and, more specifically, to a method for preparing lithium bis(fluorosulfonyl)imide, capable of simply and economically preparing lithium bis(fluorosulfonyl)imide, which is a lithium salt to be used in an electrolyte solution for a lithium secondary battery, in a high yield and with high purity. According to the present invention, the novel method for preparing lithium bis(fluorosulfonyl)imide can resolve the problem of a conventional technique by reacting a bis(chlorosulfonyl)imide compound, which is a starting material, with a fluorination reagent, and then immediately treating the same with an alkali reagent without purification or concentration, and has an effect of enabling lithium bis(fluorosulfonyl)imide to be simply and economically prepared in a high yield and with high purity.Type: GrantFiled: September 28, 2016Date of Patent: March 7, 2023Assignees: CLS INC., SOLVAY FLUOR GMBHInventor: Kwang Min Lim
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Patent number: 11584654Abstract: The invention relates to a method for increasing the purity of oligosilanes and/or oligosilane compounds, in which a first liquid substance mixture formed from at least 50% oligosilane compounds comprising inorganic oligosilanes and/or halogenated oligosilanes and/or organically substituted oligosilanes is provided, and the first liquid substance mixture is subjected to at least one purification sequence, wherein in a first step a) the liquid substance mixture is temperature adjusted to a temperature at which at least one fraction of the oligosilane compounds solidify, and in a second step b) at least one fraction of the liquid substance mixture is separated.Type: GrantFiled: December 15, 2017Date of Patent: February 21, 2023Assignee: PSC Polysilane Chemistry GmbHInventor: Christian Bauch
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Patent number: 11577967Abstract: A process of conditioning tungsten pentachloride to form specific crystalline phases are disclosed. The specific crystalline phases permit stable vapor pressures over extended periods of time during vapor deposition and etching processes.Type: GrantFiled: December 16, 2020Date of Patent: February 14, 2023Assignee: L'Air Liquide Société ANonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Feng Li, Sonia Plaza, Jean-Marc Girard, Nicolas Blasco, Yumin Liu
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Patent number: 11554956Abstract: The present invention provides a process for producing hydrogen iodide. The process includes providing a vapor-phase reactant stream comprising hydrogen and iodine and reacting the reactant stream in the presence of a catalyst to produce a product stream comprising hydrogen iodide. The catalyst includes at least one selected from the group of nickel, cobalt, iron, nickel oxide, cobalt oxide, and iron oxide. The catalyst is supported on a support.Type: GrantFiled: April 15, 2020Date of Patent: January 17, 2023Assignee: Honeywell International Inc.Inventors: Terris Yang, Haiyou Wang, Yuon Chiu, Richard Wilcox, Christian Jungong, Haluk Kopkalli
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Patent number: 11554358Abstract: The present invention relates to the field of solid materials for the adsorption of lithium. In particular, the present invention relates to a novel process for preparing a solid crystalline material formed preferably in extrudate form, of formula (LiCl)x.2Al(OH)3,nH2O with n being between 0.01 and 10, x being between 0.4 and 1, comprising a step a) to precipitate boehmite under specific conditions of temperature and pH, a step to place the precipitate obtained in contact with a specific quantity of LiCl, at least one forming step preferably via extrusion, said process also comprising a final hydrothermal treatment step, all allowing an increase in lithium adsorption capacity and in the adsorption kinetics of the materials obtained compared to prior art materials, when used in a process to extract lithium from saline solutions.Type: GrantFiled: May 23, 2017Date of Patent: January 17, 2023Assignees: ERAMET, IFP ENERGIES NOUVELLESInventors: Malika Boualleg, Fabien Burdet, Yohan Florent Oudart
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Patent number: 11549056Abstract: Described herein are compositions and methods relating to luminescent structures.Type: GrantFiled: August 25, 2017Date of Patent: January 10, 2023Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Makhsud I. Saidaminov, Osman M. Bakr
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Patent number: 11529623Abstract: Embodiments of the present invention include a filter element for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst and a co-catalyst. The embodiments of the present invention also includes a system for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst and a co-catalyst; and a method using the system.Type: GrantFiled: December 16, 2019Date of Patent: December 20, 2022Inventors: Takashi Ozaki, Takuya Fukumura, Keita Mine, Guang Pan, Ekambaram Sambandan, Rajesh Mukherjee
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Patent number: 11518676Abstract: Disclosed herein are methods of producing a gas at a variable rate, the methods comprising dynamically mixing dry particles comprising a precursor and dry particles comprising a proton-generating species to produce a gas and wherein the gas is produced at a rate that is varied by varying the amount of time the dry particles comprising the precursor and the dry particles comprising the proton-generating species are dynamically mixed, the rate at which the dry particles comprising the precursor and the dry particles comprising the proton-generating species are dynamically mixed, or a combination thereof.Type: GrantFiled: November 25, 2020Date of Patent: December 6, 2022Assignee: ICA TriNova LLCInventors: William Ernst, Thomas Isaac
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Patent number: 11472702Abstract: The present invention relates to a method of purifying waste hydrochloric acid, and more particularly, to a method of purifying waste hydrochloric acid which includes preparing an extraction solution by dissolving an extractant in an organic solvent (S1), extracting metallic components with the organic solvent by adding the extraction solution to the waste hydrochloric acid (S2), separating a waste hydrochloric acid layer and the organic solvent containing the metallic components (S3), and obtaining purified hydrochloric acid by recovering the separated (fractionated) waste hydrochloric acid layer (S4), wherein the extractant is used in an amount of 40 moles or more based on 1 mole of iron (Fe) included in the waste hydrochloric acid, and the waste hydrochloric acid and the extraction solution are mixed in a volume ratio of 1:0.1 to 1:1.Type: GrantFiled: October 25, 2017Date of Patent: October 18, 2022Assignee: LG Chem, Ltd.Inventors: Hee Jun Eom, Dong Chul Lee, Yeon Yi Kim, Jung Ho Choi
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Patent number: 11427479Abstract: Provided are high purity tungsten pentachloride, and a method for obtaining such high purity tungsten pentachloride at a high yield and in an efficient manner. Tungsten pentachloride in which a total content of metal impurities excluding Sb, Ti, and As is less than 10 wtppm is obtained by uniformly mixing one or more types of reducing agents selected from Sb, Ti, and As and tungsten hexachloride at a molar ratio of 1.0:2.0 to 1.0:5.0 (reducing agent/WCl6 ratio) in an inert atmosphere to obtain a mixture, heating and reducing the mixture for 1 to 100 hours in a temperature range in which a chloride of tungsten and the reducing agent becomes a liquid phase to obtain a reduced product, heating the reduced product for 1 to 100 hours at 100 Pa or less and in a temperature range of 90 to 130° C.Type: GrantFiled: October 6, 2017Date of Patent: August 30, 2022Assignee: JX Nippon Mining & Metals CorporationInventor: Hideyuki Takahashi
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Patent number: 11421309Abstract: Described herein are novel 7xxx series aluminum alloys. The alloys exhibit high strength. The alloys can be used in a variety of applications, including automotive, transportation, electronics, aerospace, and industrial applications. Also described herein are methods of making and processing the alloys. Further described herein are methods of producing a metal sheet, which include casting an aluminum alloy as described herein to form an ingot, homogenizing the ingot, hot rolling the ingot to produce a hot band, and cold rolling the hot band to a metal sheet of final gauge.Type: GrantFiled: October 28, 2016Date of Patent: August 23, 2022Assignee: Novelis Inc.Inventors: Rajeev G. Kamat, Dhruba J. Chakrabarti, Rashmi Ranjan Mohanty, Rahul Vilas Kulkarni, Duane E. Bendzinski, Juergen Timm
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Patent number: 11420877Abstract: A method for producing lithium fluorosulfonate which includes reacting XSO3H, wherein X is a leaving group other than fluorine, with a lithium source and a fluorine source. Also disclosed is a composition containing XSO3H.Type: GrantFiled: September 18, 2018Date of Patent: August 23, 2022Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yuuki Suzuki, Akiyoshi Yamauchi, Kotaro Hayashi, Yoshihiro Yamamoto, Yosuke Kishikawa, Tatsuya Ohtsuka, Atsushi Maruo, Hiroyuki Arima
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Patent number: 11421290Abstract: The present invention relates to tool steels which present an extremely high conductivity while maintaining high levels of mechanical properties the manufacturing process thereof. Tool steels of the present invention are able to undergo low temperature hardening treatments with good homogeneity of the microstructure and can be obtained at low cost.Type: GrantFiled: April 21, 2020Date of Patent: August 23, 2022Assignee: INNOMAQ 21, SOCIEDAD LIMITADAInventor: Isaac Valls Anglés
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Patent number: 11407650Abstract: The invention relates to a method for producing a compound of formula MXn from a precursor compound of formula MXm, where M is a metal, X is a halide selected from F, Cl, Br, J, m is a number selected from the range 2 to 8, and n is a number selected from the range 1 to 7, with the condition that n<m, comprising a method step in which the precursor compound is reduced with a silane compound to the compound of formula MXn.Type: GrantFiled: January 24, 2018Date of Patent: August 9, 2022Assignee: Umicore AG & Co. KGInventors: Joerg Sundermeyer, Lisa Hamel, Ruben Ramon Mueller, Andreas Rivas-Nass, Angelino Doppiu, Eileen Woerner, Ralf Karch
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Patent number: 11371118Abstract: Provided is a particulate composition comprising a collection of resin beads and LiX.2Al(OH)3.nH2O, wherein n is 0 to 10, wherein X is a halogen, wherein the resin beads contain polymer having 0.5 to 3 equivalents of amine pendant groups per liter of the particulate composition, wherein the resin beads have average pore diameter of 5 to 100 nm, wherein the collection of resin beads has harmonic mean particle diameter of 200-1000 micrometers; wherein the collection of resin beads has surface area of 20 to 150 m2/g; and wherein aluminum is present in an amount of 14.5% percent or higher, by weight of aluminum atoms based on the total weight of the particulate composition. Also provided is a method of removing lithium from brine using such a composition.Type: GrantFiled: March 21, 2017Date of Patent: June 28, 2022Inventors: Zheng Zhang, Chunxia Costeux
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Patent number: 11365127Abstract: A large-particle spherical salt with a particle size of 400-950 ?m and a sphericity of 0.5-1.0 is disclosed, which overcomes the existing difficulty in this field for larger particle size as well as higher sphericity. A preparation method of the large-particle spherical salt is also disclosed, wherein in one preparation process, 2% of gum arabic (based on the mass percentage of solute sodium chloride in a sodium chloride saturated solution) is added, and under conditions of an evaporating temperature of 60° C. a stirring rate of 350 rpm, and an evaporating time of 8 hours, a large-particle spherical salt with a particle size of 921.593 ?m and an average sphericity of 0.904 is successfully prepared. The large-particle spherical salt prepared by the method has a uniform particle size distribution and good appearance, can be combined with other substances, adding some extra value to the salt. Meanwhile, the large-particle spherical salt prepared by the method has a high safety grade (e.g.Type: GrantFiled: August 15, 2021Date of Patent: June 21, 2022Assignee: TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Na Tang, Min Lu, Wei Du, Penggao Cheng, Jun Xiang, Lei Zhang, Songbo Wang, Jianping Zhang
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Patent number: 11352255Abstract: A purified hydrochloric acid composition is prepared from a stream of a contaminated hydrochloric acid composition by a process comprising a distillation treatment, wherein at least a first distillation column is operated at a first pressure and a second distillation column is operated at a second pressure, which second pressure is lower than the first pressure; wherein the contaminated hydrochloric acid composition comprises water, contaminants and hydrochloric acid in a first hydrochloric acid concentration of above the azeotropic composition of hydrochloric acid and water at the first pressure; wherein a part of the stream of the contaminated hydrochloric acid composition is fed into the first distillation column to yield a first bottom product comprising water and hydrochloric acid with a hydrochloric acid concentration below the first hydrochloric acid concentration and a first top product comprising hydrochloric acid in a concentration above the azeotropic hydrochloric acid composition at the first presType: GrantFiled: December 11, 2017Date of Patent: June 7, 2022Assignee: Avantium Knowledge Centre B.V.Inventors: Benjamin McKay, Johannes Hendrick Vleeming, Wei Zhao