Patents Examined by Michael Forrest
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Patent number: 11944954Abstract: An organic-inorganic hybrid porous material. The organic-inorganic hybrid porous material contains a doping element A are provided. In some embodiments, the element A is one or more selected from: Li, Na, K, Rb, Cs, Sr, Zn, Mg, Ca, or any combination thereof. An external specific surface area of the organic-inorganic hybrid porous material is 1 to 100 m2/g. A ratio of the external specific surface area to a total specific surface area of the organic-inorganic hybrid porous material is 0.7 to 0.9.Type: GrantFiled: October 2, 2022Date of Patent: April 2, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Jiarui Tian, Yongsheng Guo, Cong Cheng, Xinxin Zhang, Na Liu, Chuying Ouyang
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Patent number: 11925918Abstract: A silica aggregate includes primary silica particles aggregated, the primary silica particles having an average particle size of 1 nm or more and less than 10 nm, the primary silica particles being crosslinked to each other by a bond containing a siloxane bond.Type: GrantFiled: March 26, 2020Date of Patent: March 12, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Kengo Kanazaki, Fumio Yamauchi, Teigo Sakakibara, Yoshinori Kotani, Ryoko Ueyama
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Patent number: 11918973Abstract: Provided is a heavy metal adsorbent consisting of a zeolite with a median diameter on a volume basis of 10.0 ?m or more and a pore volume measured in a pore volume calculation range of 10 nm to 1000 nm by a mercury intrusion method of 0.1000 cm3/g or less.Type: GrantFiled: August 22, 2022Date of Patent: March 5, 2024Assignee: SINANEN ZEOMIC CO., LTD.Inventors: Naoyuki Inoue, Akio Taniguchi
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Patent number: 11912891Abstract: The present disclosure relates to a coating composition, in particular a cool roof or solar reflective coating composition, which comprises an organosilane-functionalised colloidal silica and hollow microspheres, wherein the organosilane-functionalised colloidal silica comprises silica particles with one or more organosilane moieties bound to their surface, and wherein the hollow microspheres comprise a polymeric shell. The present disclosure also relates to substrate coated with the coating composition, and to a method for making such a coating composition.Type: GrantFiled: March 19, 2019Date of Patent: February 27, 2024Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Peter Harry Johan Greenwood, Jonathan Carl Slepsky, Jan Nordin, Olof Sandin
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Patent number: 11911740Abstract: The invention relates to a noxious gas purificant and its preparation and purification method for removing nitrogen oxides from gas streams thereof. The preparing method is characterized in that: mixing, according to a predetermined ratio and a process, a salt of iron, manganese, cobalt, or copper, and a related derivative thereof, an alkali or alkaline substance and a related derivative thereof, water and a forming agent, so as to obtain a solid compound or mixture; drying and activating the solid compound or mixture to produce a solid product as the purificant; and introducing the purificant into a gas-solid reactor, and removing noxious gases in a gas stream by performing, in a preconfigured temperature and using the purificant, a gas-solid reaction on the harmful gases in the gas stream. The purificant can be recycled and reused.Type: GrantFiled: October 13, 2017Date of Patent: February 27, 2024Inventor: Liwei Huang
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Patent number: 11897774Abstract: A method for producing a silica sol containing a small amount of metal impurities and in which colloidal silica having an elongated particle shape dispersed in a solvent, includes: preparing a raw material liquid by adding a compound as an anion source selected from inorganic acids, organic acids, and their ammonium salts, and ammonia to a colloidal aqueous solution of activated silica having an SiO2 concentration of 1 to 6% by mass and a pH of 2 to 5 so that the mass ratio of the compound to SiO2 is 3.0 to 7.0%; and heating the raw material liquid at 80 to 200° C. for 0.5 to 20 hours. The elongated colloidal silica particles exhibit a DL/DB ratio of 2.5 or more. DL is an average particle diameter as measured by the dynamic light scattering method. DB is a primary particle diameter as measured by the nitrogen gas adsorption method.Type: GrantFiled: February 25, 2019Date of Patent: February 13, 2024Assignee: NISSAN CHEMICAL CORPORATIONInventors: Satoru Murakami, Takuya Fukuoka, Kazuya Kuroiwa
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Patent number: 11898269Abstract: A gallium-containing nitride crystals are disclosed, comprising: a top surface having a crystallographic orientation within about 5 degrees of a plane selected from a (0001)+c-plane and a (000-1)?c-plane; a substantially wurtzite structure; n-type electronic properties; an impurity concentration of hydrogen greater than about 5×1017 cm?3, an impurity concentration of oxygen between about 2×1017 cm?3 and about 1×1020 cm?3, an [H]/[O] ratio of at least 0.3; an impurity concentration of at least one of Li, Na, K, Rb, Cs, Ca, F, and Cl greater than about 1×1016 cm?3, a compensation ratio between about 1.0 and about 4.0; an absorbance per unit thickness of at least 0.Type: GrantFiled: May 6, 2020Date of Patent: February 13, 2024Assignee: SLT Technologies, Inc.Inventors: Wenkan Jiang, Dirk Ehrentraut, Mark P. D'Evelyn
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Patent number: 11891306Abstract: Provided is a method for producing a silica aerogel blanket, the method comprising recovering and reusing a supercritical waste liquid generated after a supercritical drying process. Without putting in additional equipment investments or energy, supercritical waste liquid recovered after a supercritical drying process can be reused by lowering the content of ammonium ions (NH4+) present therein through a simple adjustment of the conditions for the supercritical drying process. Thus, it is possible to produce a silica aerogel blanket while reducing the production costs thereof and preventing the deterioration of thermal insulation performance of the silica aerogel blanket.Type: GrantFiled: August 21, 2018Date of Patent: February 6, 2024Assignee: LG CHEM, LTD.Inventors: Kyoung Shil Oh, Je Kyun Lee
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Patent number: 11878914Abstract: This invention relates to cost-effective methods for synthesizing metallic nanoparticles in high yield using non-dendrimeric branched polymeric templates, such as branched polyethyleneimine. This invention also provides a high-throughput apparatus for synthesizing metallic nanoparticles under conditions that produce less waste than conventional nanoparticle synthesis methods. Also provided are metallic nanoparticles and multi-metallic nanoparticle compositions made by methods and high-throughput apparatus of the invention.Type: GrantFiled: February 12, 2021Date of Patent: January 23, 2024Assignee: TUSKEGEE UNIVERSITYInventors: Michael L. Curry, Aiesha L. Ethridge, Demetrius Finley
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Patent number: 11874064Abstract: A hood for a taphole and a tapping spout in a submerged arc furnace in the production of silicon. The hood has at least two suction ducts which are placed asymmetrically on either side of the hood, and is useful in a process for the production of silicon in a submerged arc furnace, wherein liquid silicon and refining gas escape from a taphole of a crucible, wherein the liquid silicon flows on a tapping spout into a ladle, wherein the refining gas is sucked in a hood which has at least two suction ducts which are placed on either side of the hood.Type: GrantFiled: February 22, 2018Date of Patent: January 16, 2024Assignee: Wacker Chemie AGInventors: Evangelos Bertakis, Ronald Eulenberger, Einar Olav Schei
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Patent number: 11865505Abstract: Methods for synthesizing a water-soluble titanium-silicon complex are disclosed herein. The titanium-silicon complex can be utilized to produce titanated solid oxide supports and titanated chromium supported catalysts. The titanated chromium supported catalysts subsequently can be used to polymerize olefins to produce, for example, ethylene based homopolymer and copolymers.Type: GrantFiled: January 31, 2022Date of Patent: January 9, 2024Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius
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Patent number: 11851333Abstract: A method for stepwise extraction of silica and hydroxide from silicate substances. The silicate substances are leached by chlorine-containing inorganic acids, and the hydroxides are extracted step by step from the leaching liquor by electrochemical deposition method; The raw material of the powder is put in the reactor, inorganic acids, water-soluble alcohol and water are added as the leaching liquor, heated and reacted under the condition of 0.1 MPa or more, and the acidic multi-ion mixed solution and filter residue are obtained by filtration. The acidic multi-ion mixed solution is heated and boiled, and the silicon-containing volatile components are collected, decomposed and deposited in the collector; The deposited volatile components is dried to obtain high purity silica powder; The filter residue is washed and dried to obtain silica; The hydroxides are extracted from the acidic multi-ion mixed solution by electrochemical deposition method.Type: GrantFiled: May 27, 2021Date of Patent: December 26, 2023Inventors: Zhiming Shi, Wendi Yin, Hua Yan, Minmin Zhang, Tao Liu, Cunquan Wang
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Patent number: 11835227Abstract: A raw material composition for producing oxygen carriers includes a first component which is one or more of nickel oxide and nickel hydroxide and a second component which is one or more of boehmite, cerium oxide, cerium hydroxide, magnesium oxide, magnesium hydroxide, and titanium oxide, wherein, when the first component is nickel oxide, the second component includes cerium hydroxide. Such a raw material composition for producing oxygen carriers of the present invention is formed into oxygen carriers according to an oxygen carrier producing method, which will be described below, by adjusting the composition, formulation of raw materials, and degree of homogenization. Then, it is possible to produce oxygen carriers having physical properties such as a shape, a particle size, and a particle distribution suitable for a fluidized bed process or a high speed fluidized bed process and having improved wear-resistance, long-term durability, and oxygen transfer performance.Type: GrantFiled: September 22, 2017Date of Patent: December 5, 2023Assignee: KOREA ELECTRIC POWER CORPORATIONInventors: Ui Sik Kim, Jeom In Baek, Joong Beom Lee, Tae Hyoung Eom, Hyun Geun Jo
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Patent number: 11826730Abstract: The present invention relates to a precursor of a hydrogenation catalyst of carbon dioxide, a method for preparing thereof, a hydrogenation catalyst of carbon dioxide, and a method for preparing thereof. An embodiment of the present invention provides a precursor of a hydrogenation catalyst of carbon dioxide comprising CuFeO2.Type: GrantFiled: February 28, 2017Date of Patent: November 28, 2023Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Jae Sung Lee, Yohan Choi
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Patent number: 11814549Abstract: An environmentally friendly, bio-based binder system that is useful for the formation of fiberglass insulation, the system includes: A) an aqueous curable binder composition, which includes a carbohydrate and a crosslinking agent; and B) a dedust composition, which includes a blown, stripped plant-based oil and optionally at least one emulsifying agent. The bio-based binder system is typically heated to form a cured binder system.Type: GrantFiled: January 13, 2020Date of Patent: November 14, 2023Assignee: CARGILL, INCORPORATEDInventors: Frank P. Lochel, Jr., John Carl Tolfa
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Patent number: 11813592Abstract: Redox catalysts having surface medication, methods of making redox catalysts with surface modification, and uses of the surface modified redox catalysts are provided. In some aspects, the redox catalysts include a core oxygen carrier region such as CaMnO3, BaMnO3??, SrMnO3??, Mn2SiO4, Mn2MgO4??, La0.8Sr0.2O3??, La0.8Sr0.2FeO3??, Ca9Ti0.1Mn0.9O3??, Pr6O11??, manganese ore, or a combination thereof; and an outer shell having an average thickness of about 1-100 monolayers surrounding the outer surface of the core region. The outer shell can include, for example a salt selected such as Li2WO4, Na2WO4, K2WO4, SrWO4, Li2MoO4, Na2MoO4, K2MoO4, CsMoO4, Li2CO3, Na2CO3, K2CO3, or a combination thereof.Type: GrantFiled: June 14, 2018Date of Patent: November 14, 2023Assignee: North Carolina State UniversityInventors: Fanxing Li, Luke Michael Neal, Yunfei Gao, Seif Yusuf, Ryan Dudek
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Patent number: 11806690Abstract: A filter aid composition may include a first acid-treated silica-based filter aid having a first particle size distribution and a second acid-treated silica-based filter aid having a second particle size distribution. A method of making a filter aid composition may include providing a first silica-based filter aid having a first particle size distribution, providing a second silica-based filter aid having a second particle size distribution, and blending the first silica-based filter aid with the second silica-based filter aid to form the filter aid composition. A method of filtering a fluid may include providing a filter aid composition including a first acid-treated silica-based filter aid and a second acid-treated silica-based filter aid and filtering the fluid through the filter aid composition. The filter aid composition may have a multimodal particle size distribution such that the first particle size distribution has a d50 greater than the second particle size distribution.Type: GrantFiled: November 18, 2020Date of Patent: November 7, 2023Assignee: Imerys USA, Inc.Inventors: Jeffrey D. Taniguchi, Larisa Tihomirov
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Method for removing phosphorus and boron impurity from industrial silicon melt by secondary refining
Patent number: 11807538Abstract: A method for removing phosphorus and boron impurities in an industrial silicon melt by secondary refining is provided. According to the present disclosure, inorganic zinc chloride is adopted as an impurity removal medium and is quickly decomposed into zinc and chloride ions at high temperatures; the phosphorus and boron impurities can react with the zinc and chloride ions to yield low-melting and high-melting compounds during contact with a silicon melt, the low-melting compounds volatilize and escape from the industrial silicon melt at the high temperature of the secondary refining. The high-melting compounds are segregated at the grain boundary along with silicon solidification and removed by crushing and pickling, or sink to the very bottom of the silicon melt and are removed by cutting off a deposition layer at a bottom of a silicon ingot after the silicon melt is solidified.Type: GrantFiled: April 28, 2023Date of Patent: November 7, 2023Assignee: CHENGDU UNIVERSITY OF TECHNOLOGYInventors: Dawei Luo, Ke Rong, Zijie Gao, Jiabao Deng -
Patent number: 11772978Abstract: A method for synthesizing mesoporous silica microparticles comprising the steps of: preparing a sol from an ammonium catalyzed hydrolysis and condensation reaction of a pre-sol solution comprising a silica precursor and a structure directing agent dissolved in a mixed solvent system comprising an alcohol and water to produce mesoporous particles of silica with an average diameter of up to about 50 ?m; hydrothermally treating the particles to increase the pore size; treating the particles to remove residual structure directing agent; and further increasing the pore size using controlled dissolution.Type: GrantFiled: April 28, 2020Date of Patent: October 3, 2023Assignee: University College Cork-National University of Ireland, CorkInventors: Justin Holmes, Michael Morris, John Hanrahan, Donal Keane, Mark Copley
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Patent number: 11767224Abstract: The present invention provides a means capable of suppressing the formation of fine particles in a method for producing a silica sol.Type: GrantFiled: September 22, 2022Date of Patent: September 26, 2023Assignee: FUJIMI INCORPORATEDInventors: Yusuke Kawasaki, Shogo Tsubota, Masaaki Ito, Jun Shinoda, Keiji Ashitaka