Patents Examined by Colin W Slifka
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Patent number: 11905179Abstract: The invention relates to a method for producing alkali metal cyanides as solids, comprising the steps: i) an absorption step in the form of the absorption of hydrogen cyanide from a syngas containing hydrogen cyanide in an aqueous alkali metal hydroxide solution; ii) a preparation step for the waste gases containing cyanide that have accumulated in step i); iii) a crystallization step in the form of the introduction of the alkali metal cyanide solution into an evaporative crystallizer; iv) a condensation step for the vapour containing cyanide that has accumulated in step iii) to obtain a vapour condensate containing cyanide; v) a recirculation step, in which the vapour condensate containing cyanide that has been obtained in step iv) is used as an aqueous liquid in step ii).Type: GrantFiled: March 2, 2020Date of Patent: February 20, 2024Assignee: Cyplus GmbHInventors: Jens Henkel, Jürgen Rassbach, Klaus Trenkmann, Markus Jafeld, Bernd Glöckler
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Patent number: 11905184Abstract: Provided are processes for the formation of electrochemically active materials such as lithiated transition metal oxides that solve prior issues with throughput and calcination. The processes include forming the materials in the presence of a processing additive that includes potassium prior to calcination that produces active materials with increased primary particle grain sizes.Type: GrantFiled: November 8, 2019Date of Patent: February 20, 2024Assignee: BASF CorporationInventors: William C. Mays, Benjamin Reichman, Martin Lawrence Panchula
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Patent number: 11905434Abstract: Water-based coating compositions or paint having improved gloss retention, including a latex or water-dispersible polymer, a UV-VIS absorber comprising a substituted benzophenone capable of being a free radical generator, a hindered amine light stabilizer, and optionally a low-VOC coalescent provided in a preferably desired amount. A composition comprising a blend a UV-VIS absorber comprising a substituted benzophenone capable of being a free radical generator, a hindered amine light stabilizer, and a low-VOC coalescent, providing a thermally-stable coalescent that can be used in a paint formulation for gloss retention. Gloss retention of paints containing the UV-VIS absorber and hindered amine light stabilizer being markedly improved over paints that do not have both components present.Type: GrantFiled: December 3, 2020Date of Patent: February 20, 2024Assignee: SWIMC LLCInventors: Robert W. Sandoval, Matthew D. Andersson, T. Howard Killilea, Mary Jane Hibben, Frank Cusimano, Tyler Bell, Michael C. Wildman
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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: 11898040Abstract: Some embodiments relate to a method comprising one or more of the following steps: obtaining asphalt, obtaining at least one hardening agent, mixing the at least one hardening agent with the asphalt, so as to form a hardened asphalt, obtaining at least one polymer, mixing the at least one polymer with the hardened asphalt, so as to form a polymer modified asphalt, obtaining at least one filler, mixing the at least one filler with at least one of the hardened asphalt, the polymer modified asphalt, or any combination thereof, so as to form a filled coating, obtaining a roofing substrate, and applying the filled coating to the roofing substrate, so as to form a roofing shingle.Type: GrantFiled: April 7, 2022Date of Patent: February 13, 2024Assignee: BMIC LLCInventors: Denis Tibah, Ramil Marcelo L. Mercado, Kevin Carr
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Patent number: 11897782Abstract: A system and method of combusting aluminium comprising i) feeding aluminium wire to a substantially oxygen-free furnace comprising a. a first low-temperature section in communication with b. a second high-temperature section ii) forming aluminium particles with an average particle size ranging from 1 ?m to 200 ?m from said aluminium wire in said first section iii) feeding water and/or steam to said first and/or second section to provide an oxidizer for oxidizing said aluminium particles in the second section iv) conveying aluminium particles from the first section to the second section v) oxidizing said aluminium particles in the presence of steam in said second section.Type: GrantFiled: August 20, 2018Date of Patent: February 13, 2024Assignee: SAAB ABInventor: Ulf Bengtsson
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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: 11891543Abstract: The invention relates to rice bran wax oxidates that have optionally been derivatized and to micronized wax additives (MWAs) comprising optionally derivatized rice bran wax oxidate, having a volume-average particle size d50 of between 1 and 50 ?m, and to the production thereof and use thereof in printing inks, paints and coatings.Type: GrantFiled: June 18, 2021Date of Patent: February 6, 2024Assignee: CLARIANT INTERNATIONAL LTDInventors: Milena Wundlechner, Simon Bodendorfer, Philipp Kratzer, Manuel Broehmer, Tobias Niederleitner
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Patent number: 11890598Abstract: A supported heterogeneous catalyst material for catalyzing the reverse water-gas shift (RWGS) reaction for the selective formation of CO using an alkali metal-doped molybdenum carbide on a gamma alumina support (A-Mo2C/?-Al2O3, A=K, Na, Li). The A-Mo2C/?-Al2O3 catalyst is synthesized by co-impregnation of molybdemun and alkali metal precursors onto a ?-Al2O3 support. It is then carburized to form the A-Mo2C/?-Al2O3.Type: GrantFiled: March 7, 2022Date of Patent: February 6, 2024Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Marc Porosoff, Heather D. Willauer
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Patent number: 11883799Abstract: A catalyst obtainable by exsolving particles of Ni, Co and/or a mixture of Ni and Co from a perovskite metal oxide of formula (I) (M1aM2b)(COxNiyM3z)O3, wherein M1 and M2 are each independently an alkali earth metal or a rare earth metal, M3 is Ti or Cr, 0?a?1, 0?b?1, 0<a+b?1, 0?x<1, 0?y<1, 0?z<1, x+y+z=1 and where at least one of x and y>0. The invention includes methods of converting this catalyst into one or more catalytically active forms. The catalysts and the activated forms of same are useful in the catalysing CO oxidation and/or NO oxidation.Type: GrantFiled: September 4, 2018Date of Patent: January 30, 2024Assignee: THE UNIVERISTY OF NEWCASTLE UPON TYNEInventors: John Thomas Sirr Irvine, Dragos Neagu, Ian Metcalfe, Evangelos I. Papaioannou
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Patent number: 11883812Abstract: A method for regenerating a deactivated denitration catalyst includes steps of preparing a washing fluid including a water-contained liquid and entrained carbon dioxide bubbles, and subjecting the deactivated denitration catalyst to a treatment with the washing fluid. An apparatus for regenerating the deactivated denitration catalyst is also provided.Type: GrantFiled: December 1, 2020Date of Patent: January 30, 2024Assignee: TAIWAN POWER COMPANYInventor: Chih-Fu Tseng
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Patent number: 11873230Abstract: A method for producing hydrotalcite particles includes dissolving aluminum hydroxide in an alkaline solution to prepare an aluminate solution, causing a reaction of the aluminate solution prepared in the first step with carbon dioxide to precipitate a low-crystallinity aluminum compound, causing a first-order reaction by mixing the low-crystallinity aluminum compound with a magnesium compound to prepare a reactant containing hydrotalcite nuclear particles, and causing a hydrothermal reaction of the reactant to synthesize hydrotalcite particles. The hydrotalcite particles can impart excellent heat resistance, transparency, flowability, and are useful as a resin stabilizer.Type: GrantFiled: December 17, 2018Date of Patent: January 16, 2024Assignees: TODA KOGYO CORP., SAKAI CHEMICAL INDUSTRY CO., LTD.Inventors: Koji Kakuya, Atsuko Yasunaga, Nobukatsu Shigi
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Patent number: 11873544Abstract: A composition includes tungsten (W); at least one element selected form the group of elements consisting of boron (B), beryllium (Be) and silicon (Si); and at least one element selected from the group of elements consisting of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), zirconium (Zr), niobium (Nb), molybdenum (Mo), ruthenium (Ru), hafnium (Hf), tantalum (Ta), rhenium (Re), osmium (Os), iridium (Ir), lithium (Li) and aluminum (Al). The composition satisfies the formula W1-xMxXy wherein X is one of B, Be and Si; M is at least one of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Ru, Hf, Ta, Re, Os, Ir, Li and Al; x is at least 0.001 and less than 0.999; and y is at least 4.0. A tool is made from or coated with this composition.Type: GrantFiled: June 25, 2020Date of Patent: January 16, 2024Assignee: The Regents of the University of CaliforniaInventors: Richard B. Kaner, Sarah H. Tolbert, Reza Mohammadi, Andrew T. Lech, Miao Xie
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Patent number: 11873540Abstract: A method of extracting lithium from a lithium-bearing material including: (i) mixing the lithium-bearing material, gypsum, a sulfur-containing material, and a calcium-containing material and forming a feed mixture having a moisture content of at least 20 wt %; (ii) drying the feed mixture to form a dried mixture having a moisture content of less than 20 wt %; (iii) roasting the dried mixture and forming a roasted mixture including a water-soluble lithium compound; and (iv) leaching lithium from the water-soluble lithium compound and forming a lithium-containing leachate by mixing the aqueous solution and the water-soluble lithium compound.Type: GrantFiled: December 1, 2021Date of Patent: January 16, 2024Assignee: US Borax Inc.Inventors: Amit Patwardhan, Sandip Shinde, Allen Wattenbarger, Daniel Suasnabar
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Patent number: 11873270Abstract: The present disclosure relates to the technical field of catalysts, and specifically to a Zn—Al slurry catalyst, its preparation method and its application in preparing ethanol from syngas. The preparation method provided in the disclosure prepares the Zn—Al slurry catalyst by introducing a zinc component into an aluminum sol, and the preparation method has a simple operation and a lower cost. The Zn—Al slurry catalyst prepared in the disclosure includes the Zn component and the Al component, which may catalyze syngas to generate ethanol under mild conditions. Also, the catalyst has stable properties, is not easy to be deactivated, and reduces the cost of preparing ethanol from syngas. When the Zn—Al slurry catalyst provided in the disclosure is used as the catalyst for preparing ethanol from syngas, the reaction conditions are mild, and the syngas may be catalyzed to generate ethanol under the conditions of 250-340° C. and 3-5 MPa.Type: GrantFiled: October 22, 2021Date of Patent: January 16, 2024Assignee: Taiyuan University of TechnologyInventors: Wei Huang, Jing Liu, Jinchuan Fan
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Patent number: 11866591Abstract: The present disclosure relates to support structures for three dimensional (3D) printing, methods of preparing the support structures, and methods of using the support structures. In particular, the support structures comprise a hydrogel comprised of a cellulose derivative. Preferably, the support structures are biodegradable and easily removed without generating toxic waste.Type: GrantFiled: April 12, 2021Date of Patent: January 9, 2024Assignee: Iowa State University Research Foundation, Inc.Inventors: Xiaolei Shi, Hantang Qin
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Patent number: 11865513Abstract: Porous, extruded titania-based materials further comprising one or more quaternary ammonium compounds and/or prepared using one or more quaternary ammonium compounds, Fischer-Tropsch catalysts comprising them, uses of the foregoing, processes for making and using the same and products obtained from such processes.Type: GrantFiled: February 26, 2021Date of Patent: January 9, 2024Assignee: BP P.L.C.Inventors: Ewen James Ferguson, Alexander James Paterson, Zhaorong Zhang
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Patent number: 11866564Abstract: The present invention is a polymer substrate with a hard coat layer, which is obtained by directly laminating a polymer substrate, a base cured layer and a silicon oxide layer, wherein the base cured layer has a thickness of 1-20 ?m and contains 10-90 parts by weight of a polyfunctional acrylate and 90-10 parts by weight of inorganic oxide fine particles and/or a hydrolytic condensation product of a silicon compound or contains a hydrolytic condensation product of an organic silicon compound as a primary component, and the silicon oxide layer satisfies requirement (a1) below at a position 0.04 ?m in the thickness direction from the interface between the base cured layer and the silicon oxide layer and satisfies requirement (a3) below at the surface of the silicon oxide layer on the opposite side from the interface, Requirement (a1): when the chemical composition is represented by SiOxCyHz, x falls within the range 1.93-1.98, y falls within the range 0.04-0.15 and z falls within the range 0.10-0.50.Type: GrantFiled: March 28, 2018Date of Patent: January 9, 2024Assignees: TEIJIN LIMITED, TSUKISHIMA KIKAI CO., LTD.Inventors: Tatsuya Ekinaka, Tatsuichirou Kon, Hiroshi Kishimoto, Yume Takeda, Takehiro Suga, Satoshi Ogata, Masato Nakagomi
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Patent number: 11866335Abstract: A method for preparing a graphene based composite wave-absorbing material includes: dissolving a water soluble barium salt and a water soluble iron salt into deionized water, respectively; mixing barium salt solution and iron salt solution according to a molar ratio of Ba:Fe of 1:12 to obtain a precursor solution; dispersing a graphene material in deionized water to form a graphene dispersion; adding citric acid, nitric acid and the graphene dispersion into the precursor solution in sequence to form a mixture solution; stirring the mixture solution at a temperature of 50 to 75° C. to obtain a sol; coating and drying aged sol on a substrate to obtain a coating layer; and sintering the coating layer by a laser irradiation.Type: GrantFiled: July 14, 2020Date of Patent: January 9, 2024Assignees: CHONGQING INSTITUTE OF EAST CHINA NORMAL UNIVERSITY, EAST CHINA NORMAL UNIVERSITYInventors: Heping Zeng, Yanwei Huang, Jiayang He