Patents Examined by Elizabeth D. Wood
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Patent number: 11992828Abstract: The present disclosure provides molecular sieves with intergrown phases of AEI and CHA topologies and a catalyst thereof. A preparation method for the molecular sieves include the following steps: mixing a hydroxyphosphono organic alkali R with an aluminum source and a silicon source to obtain a sol-gel precursor, putting the sol-gel precursor into a closed hydrothermal synthesis reactor for reaction, filtering the reaction solution, washing, drying, and calcination to obtain the molecular sieves with intergrown phases of AEI and CHA topologies. The molecular sieves and the catalyst thereof can be directly synthesized under mild conditions with a hydroxyphosphono organic alkali as a structure-directing agent and a phosphorus source, have a pH value of 6-9 and low requirements for corrosion resistance of production devices, and are suitable for large-scale production.Type: GrantFiled: June 19, 2023Date of Patent: May 28, 2024Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Kaixiang Li, Zhenguo Li, Xiaoning Ren, Yuankai Shao, Jianhai Wang, Li Zhang, Lingfeng Jia, Cheng Lv
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Patent number: 11980867Abstract: A method for preparing an adsorbent for a skin aging diagnosis based on a body odor volatile marker according to an embodiment of the present disclosure comprises: forming a graphene oxide;polyaniline (GO;PANI) compound layer through an electrochemical polymerization reaction of an electrolyte including graphene oxide and an aniline monomer; forming a graphene oxide;polyaniline/zinc oxide nanorods (GO;PANI/ZNRs) composite layer by growing zinc oxide nanorods on the GO;PANI compound layer; and forming a graphene oxide;polyaniline/zinc oxide nanorods/zeolitic imidazolate framework-8 (GO;PANI/ZNRs/ZIF-8) composite layer by reacting the GO;PANI/ZNRs composite layer with a 2-methylimidazole (2-MI) solution.Type: GrantFiled: November 7, 2023Date of Patent: May 14, 2024Assignee: SEOUL WOMEN'S UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATIONInventors: Sun Young Bae, Se Hyun Kim
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Patent number: 11980874Abstract: An alkali metal ion modified titanium silicalite zeolite TS-1 for gas phase epoxidation of propylene and hydrogen peroxide and a preparation method thereof. The method includes: 1: preparing an alkali metal hydroxide modification solution containing a small amount of TPA+ ions; 2: conducting a controlled hydrothermal treatment on a TS-1 zeolite matrix by using the alkali metal hydroxide solution containing a small amount of TPA+ ions; and 3: conducting post-treatment on the hydrothermally modified TS-1 zeolite. In the washing process, the modified TS-1 zeolite wet material is washed with a low concentration alkali metal hydroxide solution; and alkali metal ions are reserved on the silicon hydroxyl of the modified titanium silicalite zeolite. The prepared alkali metal ion modified titanium silicalite zeolite has significantly improved catalytic performance in the gas phase epoxidation of propylene and hydrogen peroxide.Type: GrantFiled: April 14, 2020Date of Patent: May 14, 2024Assignees: DALIAN UNIVERSITY OF TECHNOLOGY, DALIAN QIYUAN TECHNOLOGY CO., LTD.Inventors: Hongchen Guo, Cuilan Miao, Quanren Zhu
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Patent number: 11976165Abstract: The present invention relates to a method for producing a double metal cyanide (DMC) catalyst, comprising the reaction of an aqueous solution of a cyanide-free metal salt, an aqueous solution of a metal cyanide salt, an organic complex ligand, optionally a complex-forming component to form a dispersion, the dispersion being produced using a mixing nozzle and a peroxide. The invention further relates to double metal cyanide (DMC) catalysts obtainable by means of the method according to the invention and to the use of DMC catalysts to produce polyoxyalkylene polyols.Type: GrantFiled: January 11, 2021Date of Patent: May 7, 2024Assignee: Covestro Deutschland AGInventors: Joerg Hofmann, Klaus Lorenz, Elisabeth Vogelsang, Maria Gleixner
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Patent number: 11975980Abstract: A molecular sieve of MFI structure has a ratio of n(SiO2)/n(Al2O3) of more than 15 and less than 70. It has a content of phosphorus of 1-15 wt %, calculated as P2O5 and based on the dry weight of the molecular sieve and a content of the supported metal in the molecular sieve 1-10 wt % based on the oxide of the supported metal and the dry weight of the molecular sieve. The supported metal is one or two selected from lanthanum and cerium. The volume of mesopores in the molecular sieve represents 40-70% by volume of the total pore volume of the molecular sieve by volume, measured by a nitrogen adsorption BET specific surface area method, and the volume of mesopores means the pore volume of the pores having a diameter of more than 2 nm and less than 100 nm.Type: GrantFiled: October 17, 2019Date of Patent: May 7, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Yibin Luo, Ying Ouyang, Li Zhuang, Jianqiang Liu, Minggang Li, Xingtian Shu
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Patent number: 11975309Abstract: Process for the preparation of a catalyst and a catalyst comprising enhanced mesoporosity is provided herein. Thus, in one embodiment, provided is a particulate FCC catalyst comprising 2 to 50 wt % of one or more ultra stabilized high SiO2/Al2O3 ratio large pore faujasite zeolite or a rare earth containing USY, 0 to 50 wt % of one or more rare-earth exchanged large pore faujasite zeolite, 0 to 30 wt % of small to medium pore size zeolites, 5 to 45 wt % quasi-crystalline boehmite 0 to 35 wt % microcrystalline boehmite, 0 to 25 wt % of a first silica, 2 to 30 wt % of a second silica, 0.1 to 10 wt % one or more rare earth components showiomg enhanced mesoporosity in the range of 6-40 nm, the numbering of the silica corresponding to their orders of introduction in the preparation process.Type: GrantFiled: January 11, 2019Date of Patent: May 7, 2024Assignee: Ketjen Limited Liability CompanyInventors: Amir Sabahi, Eswaramoorthi Iyyamperumal, Nataly G. Vargas, William Knowles, Andrew Loebl, Julie Francis
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Patent number: 11969692Abstract: A method of producing a separation membrane includes a seed crystal adhesion step of adhering zeolite seed crystals to a porous support formed of stainless steel to obtain a seed crystal-bearing support and a separation layer formation step of forming a porous separation layer formed of a zeolite on the seed crystal-bearing support. The stainless steel has a contact angle with water of 90° or more. The seed crystal adhesion step includes bringing the zeolite seed crystals and a solvent having a contact angle with the stainless steel of 30° or less into contact with the porous support.Type: GrantFiled: February 18, 2020Date of Patent: April 30, 2024Assignee: ZEON CORPORATIONInventors: Takahiro Suzuki, Shiori Omori
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Patent number: 11964239Abstract: A zeolite membrane composite includes a porous support and a zeolite membrane formed on at least one surface of the porous support. The zeolite membrane of the zeolite membrane composite is formed of an X-MOR-type zeolite, where X includes at least one type of transition metal ion.Type: GrantFiled: March 18, 2020Date of Patent: April 23, 2024Assignee: ZEON CORPORATIONInventor: Takahiro Suzuki
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Patent number: 11964261Abstract: A catalyst including platinum (Pt) and a composite support. The composite support includes ZrO2/mesoporous silica sieve SBA-15. The platinum accounts for 0.01-0.3 wt. % of the catalyst. ZrO2 accounts for 5-20 wt. % of the composite support.Type: GrantFiled: May 18, 2021Date of Patent: April 23, 2024Assignee: XIANGTAN UNIVERSITYInventors: Jicheng Zhou, Yanji Zhang, Fei Wang
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Patent number: 11964262Abstract: A rare earth- and phosphorus-containing molecular sieve of MFI structure rich in mesopores has a ratio of n(SiO2)/n(Al2O3) of more than 15 and less than 70. The molecular sieve has a content of phosphorus of 1-15 wt %, calculated as P2O5 and based on the dry weight of the molecular sieve. The content of the supported metal in the molecular sieve is 1-10 wt % supported metal M1 and 0.1-5 wt % supported metal M2 based on the oxide of the supported metal and the dry weight of the molecular sieve. The supported metal M1 is one or two selected from lanthanum and cerium, and the supported metal M2 is one selected from iron, cobalt, nickel, copper, manganese, zinc, tin, bismuth and gallium; the volume of mesopores in the molecular sieve represents 40-70% by volume of the total pore volume of the molecular sieve by volume.Type: GrantFiled: October 17, 2019Date of Patent: April 23, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Ying Ouyang, Yibin Luo, Jianqiang Liu, Li Zhuang, Minggang Li, Xingtian Shu
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Patent number: 11964256Abstract: Provided is a Fluid Catalytic Cracking catalyst additive composition and method of making the same. The catalyst additive composition comprises zeolite about 35 wt % to about 80 wt %, preferably about 40 wt % to about 70 wt %; silica about 0 wt % to about 10 wt %, preferably about 2 wt % to about 10 wt %; about 10.5 wt % to 20 wt % alumina and about 7 wt % to 20 wt % P2O5, preferably about 11 wt % to about 18 wt %, and the balance clay which can fall between 0 and 50 wt %. The alumina is typically derived from more than one source, such as at least an amorphous or small crystallite size pseudo-boehmite alumina and then either a large crystallite size alumina or other reactive alumina.Type: GrantFiled: March 16, 2018Date of Patent: April 23, 2024Assignee: Ketjen Limited Liability CompanyInventors: Edward Lee Foster, Maria Margaret Ludvig, Kevin Alfonso Miller
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Patent number: 11958038Abstract: A group of reductive 2D materials (R2D) with extended reactive vacancies and a method for making the R2D with extended reactive vacancies are provided, especially the example of the reductive boron nitride (RBN). To create defects such as vacancies, boron nitride (BN) powders are milled at cryogenic temperatures. Vacancies are produced by milling, and the vacancies can be used to reduce various metal nanostructures on RBN. Due to the thermal stability of the RBN and the enhanced catalytic performance of metal nanostructures, RBN-metals can be used for different catalysts, including electrochemical catalysts and high temperature catalysts.Type: GrantFiled: June 11, 2021Date of Patent: April 16, 2024Assignee: The Penn State Research FoundationInventors: Mauricio Terrones, Yu Lei, He Liu, Kazunori Fujisawa, Ana Laura Elias Arriaga, Tianyi Zhang, Rodolfo Cruz-Silva, Morinobu Endo, Xiaoxing Wang, Cynthia Guerrero-Bermea
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Patent number: 11951462Abstract: The present invention relates to the use of a catalyst for production of methanol from methane, wherein the catalyst comprises a zeolite having Al pairs in the skeleton of at least 10 percent, based on the total number of all aluminium atoms in the zeolite, and further comprising a transition metal cation coordinated at beta-cationic positions, selected from the group consisting of Fe, Co, Mn, and Ni, wherein the ratio of the transition metal to Al is in the range of from 0.01 to 0.5; and with the proviso that the zeolite is not ZSM-5 and mordenite. The present invention further relates to the method of production of methanol, the catalyst for production of methanol by direct oxidation of methane, and to a method of production thereof.Type: GrantFiled: April 2, 2020Date of Patent: April 9, 2024Assignee: USTAV FYZIKALNI CHEMIE J. HEYROVSKEHO AV CR, V.V.I.Inventors: Jiri Dedecek, Edyta Tabor, Zdenek Sobalik, Stepan Sklenak, Kinga Mlekodaj
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Patent number: 11944959Abstract: An alkali metal ion modified titanium silicalite zeolite for gas phase epoxidation of propylene and hydrogen peroxide and a preparation method thereof. The method includes, at first step: preparing an alkali metal hydroxide modification solution; at second step: conducting controlled hydrothermal treatment on a TS-1 zeolite matrix by using an alkali metal hydroxide solution; and at third step: conducting post-treatment on the hydrothermally modified TS-1 zeolite, including solid-liquid separation, washing, drying and calcining. In the washing process, the modified TS-1 zeolite wet material is washed with a low concentration alkali metal hydroxide solution; alkali metal ions are reserved on the silicon hydroxyl of the modified titanium silicalite zeolite; and an infrared characteristic absorption band of a framework titanium active center modified by the alkali metal ions is in a range above 960 cm?1 and below 980 cm?1.Type: GrantFiled: April 14, 2020Date of Patent: April 2, 2024Assignees: DALIAN UNIVERSITY OF TECHNOLOGY, DALIAN QIYUAN TECHNOLOGY CO., LTD.Inventors: Hongchen Guo, Cuilan Miao, Quanren Zhu, Ning He, Yanhui Yi, Jiaxu Liu
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Patent number: 11944958Abstract: Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.Type: GrantFiled: July 18, 2022Date of Patent: April 2, 2024Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chunjae Yoo, Jeong-Myeong Ha, Dong Jin Suh, Jae Wook Choi, Young Hyun Yoon, Kyeongsu Kim, Chang Soo Kim, Kwang Ho Kim, Thi Lien Do
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Patent number: 11926796Abstract: Process for the preparation of a catalyst and a catalyst comprising the use of more than one silica source is provided herein. Thus, in one embodiment, the invention provides a particulate FCC catalyst comprising about 5 to about 60 wt % one or more zeolites, about 15 to about 35 wt % quasicrystalline boehmite (QCB), about 0 to about 35 wt % microcrystalline boehmite (MCB), greater than about 0 to about 15 wt % silica from sodium stabilized basic colloidal silica, greater than about 0 to about 30 wt % silica from acidic colloidal silica or polysilicic acid, and the balance clay and the process for making the same. This process results in attrition resistant catalysts with a good accessibility.Type: GrantFiled: July 15, 2022Date of Patent: March 12, 2024Assignee: Ketjen Limited Liability CompanyInventors: Amir Sabahi, Andrew J Loebl, Sandra Gavalda, Julie Francis, Eswaramoorthi Iyyamperumal
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Patent number: 11911747Abstract: Provided is an ammonia decomposition catalyst that exhibits high durability while maintaining high ammonia decomposition activity and low emissions of nitrogen oxides, for example, even under an atmosphere with a steam concentration of about 10% by volume. An ammonia decomposition catalyst capable of decomposing ammonia contained in an exhaust gas, the catalyst comprising an inorganic oxide loaded with an alloy containing Pt and Pd, and a zeolite.Type: GrantFiled: December 26, 2019Date of Patent: February 27, 2024Assignee: NIKKI-UNIVERSAL CO., LTD.Inventors: Tomoo Ikoma, Toshiya Nashida
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Patent number: 11904304Abstract: Disclosed are a zeolite-like material, and a preparation method and use thereof. In the disclosure, cyclic molecules of the zeolite-like material form a closed cage-like cavity structure with each other. The zeolite-like material is synthesized using an inorganic solid waste as a raw material.Type: GrantFiled: April 22, 2022Date of Patent: February 20, 2024Assignees: Tibet University, Tianjin Chengjian UniversityInventors: Xuebin Lv, Wenli Feng, Jian Xiong, Guanyi Chen, Rui Zhang, Shijie Yang, Jianguo Cui, Wei Li, Zeng Dan, Duo Bu
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Patent number: 11896963Abstract: A process for upgrading a hydrocarbon feed includes contacting the hydrocarbon feed with steam in the presence of a cracking catalyst at reaction conditions sufficient to cause at least a portion of hydrocarbons in the hydrocarbon feed to undergo one or more cracking reactions to produce a steam catalytic cracking effluent comprising light olefins, light aromatic compounds, or both. The cracking catalyst is hierarchical mesoporous ZSM-5 zeolite. The hierarchical mesoporous ZSM-5 zeolite is made by providing a starting ZSM-5 zeolite, disintegrating the a portion of the starting ZSM-5 in the presence of a surfactant using sodium hydroxide, and then recrystallizing the zeolite constituents in the presence of the surfactant to produce recrystallized ZSM-5 zeolite. The recrystallized ZSM-5 zeolite is then recovered and calcined to produce the hierarchical mesoporous ZSM-5 zeolite.Type: GrantFiled: September 26, 2022Date of Patent: February 13, 2024Assignee: Saudi Arabian Oil CompanyInventors: Aaron Chi Akah, Veera Venkata Ramakrishna Tammana
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Patent number: 11891347Abstract: Improved alkylation catalysts, alkylation methods, and methods of making alkylation catalysts are described. The alkylation method comprises reaction over a solid acid, zeolite-based catalyst and can be conducted for relatively long periods at steady state conditions. The alkylation catalyst comprises a crystalline zeolite structure, a Si/Al molar ratio of 20 or less, less than 0.5 weight percent alkali metals, and further having a characteristic catalyst life property. Some catalysts may contain rare earth elements in the range of 10 to 35 wt %. One method of making a catalyst includes a calcination step following exchange of the rare earth element(s) conducted at a temperature of at least 575° C. to stabilize the resulting structure followed by an deammoniation treatment. An improved method of deammoniation uses low temperature oxidation.Type: GrantFiled: January 26, 2022Date of Patent: February 6, 2024Assignee: Exelus Inc.Inventors: Mitrajit Mukherjee, Eric Daniel Gauthier, Kelly Ann Coley