Patents Examined by James McDonough
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Patent number: 9731284Abstract: A process for use of composite catalysts for oxidation of amines during synthesis of energetic compounds. This method overcomes the safety concerns associated with dangerous reaction conditions for these energetic materials. The process requires exposing phthalocyanine conjugated to an inorganic substrate to the precursor reactant and activating the composite material to light and oxygen to covert amine groups into oxidized nitrogen species.Type: GrantFiled: February 24, 2016Date of Patent: August 15, 2017Assignees: The United States of America as Represented by the Secretary of the Army, Seton Hall UniversityInventors: Peggy A. Sanchez, Kimberly Griswold, Sergiu M. Gorun, Hemantbhai H. Patel
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Patent number: 9731286Abstract: The present invention is directed to a high surface area, high pore volume porous alumina, comprising: aluminum oxide, optionally, silicon oxide and aluminosilicates, and optionally one or more dopants, said alumina having a specific surface area of from about 100 to about 500 square meters per gram and a total pore volume after calcination at 900° C. for 2 hours of greater than or equal to 1.2 cubic centimeters per gram, wherein less than or equal to 15% of the total pore volume is contributed by pores having a diameter of less than 10 nm.Type: GrantFiled: November 16, 2011Date of Patent: August 15, 2017Assignee: Rhodia OperationsInventors: Andrew Polli, Francis Francis, Thomas English, Naotaka Ohtake, Olivier Larcher
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Patent number: 9731285Abstract: An object of the present invention is to provide a process for producing an oxide catalyst used in a vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation reaction of propane or isobutene, which enables a catalyst demonstrating favorable yield to be stably produced. According to the present invention, there is provided a process for producing an oxide catalyst used in a vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation reaction of propane or isobutane, comprising the steps of: (i) preparing a catalyst raw material mixture containing Mo, V and Nb and satisfying the relationships of 0.1?a?1 and 0.01?b?1 when atomic ratios of V and Nb to one atom of Mo are defined as a and b, respectively; (ii) drying the catalyst raw material mixture; and (iii) calcining a particle, in which a content of the particle having a particle diameter of 25 ?m or less is 20% by mass or less and a mean particle diameter is from 35 to 70 ?m, in an inert gas atmosphere.Type: GrantFiled: December 11, 2008Date of Patent: August 15, 2017Assignee: ASAHI KASEI CHEMICALS CORPORATIONInventors: Eri Tateno, Masatoshi Kaneta
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Patent number: 9732010Abstract: Disclosed is a catalyst for methanation reaction producing methane with high conversion by reaction of hydrogen with carbon dioxide, or a gas mixture of carbon dioxide and carbon monoxide, or a gas mixture containing these compounds as the main components. The catalyst is prepared by the steps of mixing (A) aqueous zirconia sol with salts of (B) stabilizing element(s), which is selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Gd, Dy, Ca and Mg, and (C) iron group element(s), drying and calcining the mixture to obtain a catalyst precursor, and subsequent reduction of the precursor. The catalyst comprises, by atomic %, A: 18-70%, B: 1-20% and C: 25-80% based on the elemental states of the metals. The catalyst is characterized by multiple oxide of tetragonal zirconia structure, in which not only the stabilizing element(s) but also a part of the iron group element(s) is incorporated, and on which the iron group element(s) in the metallic state is supported.Type: GrantFiled: February 27, 2017Date of Patent: August 15, 2017Assignees: HITACHI ZOSEN CORPORATIONInventors: Koji Hashimoto, Hiroyuki Takano, Kouichi Izumiya, Naokazu Kumagai, Zenta Kato, Hiroyuki Shinomiya
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Patent number: 9731278Abstract: Disclosed is a catalyst for methanation reaction producing methane with high conversion by reaction of hydrogen with carbon dioxide, or a gas mixture of carbon dioxide and carbon monoxide, or a gas mixture containing these compounds as the main components. The catalyst is prepared by the steps of mixing (A) aqueous zirconia sol with salts of (B) stabilizing element(s), which is selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Gd, Dy, Ca and Mg, and (C) iron group element(s), drying and calcining the mixture to obtain a catalyst precursor, and subsequent reduction of the precursor. The catalyst comprises, by atomic %, A: 18-70%, B: 1-20% and C: 25-80% based on the elemental states of the metals. The catalyst is characterized by multiple oxide of tetragonal zirconia structure, in which not only the stabilizing element(s) but also a part of the iron group element(s) is incorporated, and on which the iron group element(s) in the metallic state is supported.Type: GrantFiled: February 27, 2017Date of Patent: August 15, 2017Assignees: HITACHI ZOSEN CORPORATION, KOJI HASHIMOTOInventors: Koji Hashimoto, Hiroyuki Takano, Kouichi Izumiya, Naokazu Kumagai, Zenta Kato, Hiroyuki Shinomiya
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Patent number: 9732563Abstract: Embodiments relate to a polycrystalline diamond compact (“PDC”) including a polycrystalline diamond (“PCD”) table bonded to a cemented carbide substrate including tungsten carbide grains having a fine average grain size to provide one or more of enhanced wear resistance, corrosion resistance, or erosion resistance, and a PDC with enhanced impact resistance. In an embodiment, a PDC includes a cemented carbide substrate having a cobalt-containing cementing constituent cementing tungsten carbide grains together exhibiting an average grain size of about 1.5 ?m or less. The substrate includes an interfacial surface and a depletion zone depleted of the cementing constituent that extends inwardly from the interfacial surface to a depth of, for example, about 30 ?m to about 60 ?m. The PDC includes a PCD table bonded to the interfacial surface of the substrate. The PCD table includes diamond grains bonded together exhibiting an average grain size of about 40 ?m or less.Type: GrantFiled: July 30, 2013Date of Patent: August 15, 2017Assignee: US SYNTHETIC CORPORATIONInventor: Debkumar Mukhopadhyay
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Patent number: 9725620Abstract: The present invention provides a cerium oxide based composite polishing powder and a preparation method thereof. The polishing powder contains the element magnesium in an amount of 0.005 wt %-5 wt % to magnesium oxide meter. The preparation method includes: (1) uniformly mixing a salt solution containing cerium serving as the main component of the polishing powder; (2) uniformly mixing a precipitating agent of an aqueous magnesium bicarbonate solution with the mixed solution prepared in step (1) to obtain a slurry; (3) aging the slurry prepared in step (2) for 0-48 h while the temperature of the slurry is kept at 30-90 degrees centigrade, and filtering the aged slurry to obtain the precursor powder of the polishing powder; (4) calcinating the precursor powder at 600-1000 degrees centigrade, then dispersing and separating the calcinated precursor powder to obtain the polishing powder. The present invention improves the polishing performance and the suspension performance of polishing powder.Type: GrantFiled: November 7, 2013Date of Patent: August 8, 2017Assignee: GRIREM ADVANCED MATERIALS CO., LTD.Inventors: Xiaowei Huang, Ying Yu, Zhiqi Long, Liangshi Wang, Dali Cui, Yongke Hou, Meisheng Cui
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Patent number: 9718691Abstract: Methods and compositions for the formation of dispersions of nanotubes are provided using solution comprising an aromatic hydrocarbon and an electron donor group. Also provided are methods for isolating carbon nanotubes from the composition, and use of carbon nanotube products.Type: GrantFiled: April 3, 2014Date of Patent: August 1, 2017Assignee: Nanocomp Technologies, Inc.Inventors: Joseph E. Johnson, Mark A. Banash, Paul R. Jarosz
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Patent number: 9719031Abstract: TiO2-supported catalysts include at least molybdenum or tungsten as active components for hydrotreating processes, in particular for the removal of sulfur and nitrogen compounds as well as metals out of crude oil fractions and for the hydrogenation of sulfur oxides.Type: GrantFiled: December 19, 2011Date of Patent: August 1, 2017Assignee: Sachleben Chemie GmbHInventors: Raimond L. C. Bonné, Olga Gonsiorová, Markus Schulte
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Patent number: 9714197Abstract: Nano polycrystalline diamond is composed of carbon, an element of different type which is an element other than carbon and is added to be dispersed in carbon at an atomic level, and an inevitable impurity. The polycrystalline diamond has a crystal grain size not greater than 500 nm. The polycrystalline diamond can be fabricated by subjecting graphite in which the element of different type which is an element other than carbon has been added to be dispersed in carbon at an atomic level to heat treatment within high-pressure press equipment.Type: GrantFiled: July 26, 2012Date of Patent: July 25, 2017Assignee: Sumitomo Electric Industries, Ltd.Inventors: Kazuhiro Ikeda, Keiko Arimoto, Katsuko Yamamoto, Hitoshi Sumiya, Takeshi Sato
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Patent number: 9707529Abstract: An abrasive particle including a shaped abrasive particle having a body and a plurality of abrasive particles bonded to at least one surface of the body of the shaped abrasive particle.Type: GrantFiled: December 23, 2014Date of Patent: July 18, 2017Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.Inventor: Frederic Josseaux
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Patent number: 9708195Abstract: TiO2 based scrubbing granules, and methods of making and using such TiO2 based scrubbing granules are described. TiO2-based scrubbing granules include granulated TiO2 and about 0.5% to about 20% dry weight inorganic salt binder. Other TiO2 based scrubbing granules include unsintered granulated TiO2 and about 0.5% to about 20% dry weight inorganic salt binder. Inorganic salt binder include sodium aluminate. Methods of making TiO2 based scrubbing granules include i) combining TiO2 particles with inorganic salt binder to form TiO2-binder mixture comprising from about 0.5% to about 20% dry weight binder; ii) granulating the TiO2-binder mixture; and drying the granulated TiO2-binder mixture to form TiO2-based scrubbing granules.Type: GrantFiled: April 26, 2013Date of Patent: July 18, 2017Assignee: Cristal USA, Inc.Inventors: Venkata Ramana Reddy Sama, Kit Stacey Eremchuk, Mark D. Pomponi, Gabor Feher, Alexandre Jean Fines
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Patent number: 9708227Abstract: A method for the manufacture of a composite fragmenting material having exothermic properties includes the steps of packing a mold with preformed metal fragments; filling interstitial spaces surrounding the metal fragments with a reactive metal powder to form a mixture; and then sintering the mixture at a temperature effective to both coat the metal fragments with the reactive metal powder and to bond the metal fragments together. In one embodiment the composite fragmenting material is formed into a nosecone for a warhead.Type: GrantFiled: March 3, 2014Date of Patent: July 18, 2017Assignee: AEROJET ROCKETDYNE, INC.Inventor: David A. Alven
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Patent number: 9701913Abstract: A process for catalytic cracking includes the steps of: (a) contacting a hydrocarbon feed with a catalyst at catalytic cracking conditions; (b) adsorbing hydrogen on the catalyst during cracking; and (c) producing a cracked product, preferably propylene, wherein the catalyst comprises (i) a matrix, (ii) a catalytically active material, and (iii) a hydrogen adsorption material. Another process for catalytic cracking includes the steps of: (a) contacting a hydrocarbon feed with a catalyst at catalytic cracking conditions; (b) contacting the hydrocarbon feed with a hydrogen adsorption material; (c) adsorbing hydrogen on the hydrogen adsorption material during cracking; and (d) producing a cracked product, wherein the catalyst comprises (i) a matrix and (ii) a catalytically active material.Type: GrantFiled: December 17, 2013Date of Patent: July 11, 2017Assignee: UOP LLCInventors: Matthew Lippmann, Alex A. Rio, Keith A. Couch
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Patent number: 9701592Abstract: A safe and simple method for synthesizing insensitive nano-size cocrystals of high explosive materials such as HMX and Cl-20 by suspending the explosive materials in a nonsolvent solution and bead milling the solution.Type: GrantFiled: August 6, 2015Date of Patent: July 11, 2017Assignee: The United States of America as Represented by the Secretary of the ArmyInventors: Rajen B. Patel, Hongwei Qiu, Victor Stepanov, Reddy Damavarapu
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Patent number: 9701877Abstract: A substance includes diamond particles having a maximum linear dimension of less than about 1 ?m and an organic compound attached to surfaces of the diamond particles. The organic compound may include a surfactant or a polymer. A method of forming a substance includes exposing diamond particles to an organic compound, and exposing the diamond particles in the presence of the organic compound to ultrasonic energy. The diamond particles may have a maximum linear dimension of less than about 1 ?m. A composition includes a liquid, a plurality of diamond nanoparticles dispersed within the liquid, and an organic compound attached to surfaces of the diamond nanoparticles. A method includes mixing a plurality of diamond particles with a solution comprising a liquid solvent and an organic compound, and exposing the mixture including the plurality of diamond nanoparticles and the solution to ultrasonic energy.Type: GrantFiled: January 16, 2015Date of Patent: July 11, 2017Assignee: Baker Hughes IncorporatedInventors: Soma Chakraborty, Gaurav Agrawal, Anthony A. DiGiovanni
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Patent number: 9702678Abstract: An improved armor piercing and pyrotechnic projectile for use in .50? military caliber rounds. Such projectiles contain a core, jacket, a base and a hollow nose housing pyrotechnic mixtures composed of sodium periodate and magnalium. The improved projectiles exhibit increased luminosity, and are non-toxic, safer, and environmentally benign compared to current state-of-the-art projectiles.Type: GrantFiled: March 17, 2016Date of Patent: July 11, 2017Assignee: The United States of America as Represented by the Secretary of the ArmyInventors: Jared D. Moretti, Jesse J. Sabatini, Gary Chen
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Patent number: 9676981Abstract: A method of forming a shaped abrasive particle including forming a precursor shaped abrasive particle having a body including at least one predetermined stress concentration point and at least one predetermined stress concentration vector and processing the precursor shaped abrasive particle and fracturing the precursor shaped abrasive particle substantially along the predetermined stress concentration vector to form a fractured shaped abrasive particle.Type: GrantFiled: December 24, 2014Date of Patent: June 13, 2017Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.Inventors: David Louapre, James A. Salvatore, Alexandra Marazano
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Patent number: 9676682Abstract: Provided is a Group 9 novel metal catalyst complex further comprising a ketone-containing cocatalyst. The metal catalyst complex is useful in generating olefins from alkanes with great efficiency. In one embodiment, provided is an iridium catalyst complex useful in the dehydrogenation of alkanes comprising a ketone-containing cocatalyst and iridium complexed with a tridentate ligand. Also provided is a novel dehydrogenation method which utilizes the catalyst composition. In other embodiments, a novel process for preparing oligomers from alkanes utilizing the catalyst composition is provided.Type: GrantFiled: September 10, 2014Date of Patent: June 13, 2017Assignees: Chevron U.S.A. Inc., Rutgers, The State University of New JerseyInventors: Alan Stuart Goldman, Robert J. Saxton, Oleg Mironov
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Patent number: 9670100Abstract: The present disclosure relates to the formation of polycrystalline diamond materials with fine diamond grains and nano-sized particles of a grain growth inhibitor. In one embodiment, a method of fabricating a polycrystalline diamond material is provided. The method includes providing a mixture of diamond particles with an average particle size of about 1 micron or less, distributing a plurality of nano-sized titanium-containing particles with the diamond mixture, to act as a grain growth inhibitor, and sintering the mixture of diamond particles and titanium-containing particles at high pressure and high temperature to create a polycrystalline structure of sintered diamond grains. The sintered diamond grains have an average size of about 1 micron or less.Type: GrantFiled: November 29, 2011Date of Patent: June 6, 2017Assignee: Element Six LimitedInventors: Yahua Bao, Xian Yao, Scott Horman