Patents Examined by Elizabeth D. Wood
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Patent number: 11866389Abstract: According to embodiments, a process of forming a catalyst for aromatizing hydrocarbons may include enhancing a mesoporosity of a zeolite support by a base-leaching treatment, an acid-leaching treatment, or both to form a zeolite support having enhanced mesoporosity, mixing the zeolite support having enhanced mesoporosity with a solution containing zinc or gallium to disperse the zinc or gallium on the zeolite support having enhanced mesoporosity, and calcining the zeolite support having enhanced mesoporosity with zinc or gallium dispersed thereon to form a zinc- or gallium-doped zeolite catalyst having a mesopore volume of greater than 0.09 cm3/g and less than 0.20 cm3/g.Type: GrantFiled: September 7, 2022Date of Patent: January 9, 2024Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum and MineralsInventors: Yaming Jin, Ziyauddin S. Qureshi, Abdullah M. Aitani, Omer Refa Koseoglu, Mohammad Naseem Akhtar, Hassan Saeed Al-Awad Alasiri
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Patent number: 11857955Abstract: A process of producing a catalyst comprises forming mesoporous beta zeolite particles, impregnating mesoporous beta zeolite particles with a metal and phosphorus to produce a metal and phosphorus impregnated zeolite, and incorporating the metal and phosphorus impregnated zeolite with clay and alumina to produce the catalyst. The forming step comprises converting a crystalline beta zeolite to a non-crystalline material with reduced silica content relative to the crystalline beta zeolite, and crystalizing the non-crystalline material to produce mesoporous beta zeolite particles.Type: GrantFiled: October 12, 2022Date of Patent: January 2, 2024Assignee: Saudi Arabian Oil CompanyInventors: Aaron Chi Akah, Veera Venkata Ramakrishna Tammana
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Patent number: 11857953Abstract: A method of making a boronated zeolite catalyst includes preparing an initial slurry comprising water, a shape selective zeolite, boric acid, and a weak acid selected from the group consisting of oxalic acid, citric acid, and oxalic acid and citric acid, hydrothermally treating the initial slurry at a temperature of from 70° C. to 90° C. to produce a hydrothermally treated slurry comprising dealuminated zeolite particles, adjusting the pH of the hydrothermally treated slurry to an intermediate pH of from 8 to 9 to produce a basic slurry, after adjusting the pH to the intermediate pH, hydrothermally treating the basic slurry at a temperature of from 70° C. to 90° C. to produce a boronated zeolite slurry, removing liquids from the boronated zeolite slurry to produce a boronated zeolite filtrate, and drying and calcining the boronated zeolite filtrate to produce the boronated zeolite catalyst.Type: GrantFiled: October 31, 2022Date of Patent: January 2, 2024Assignee: Saudi Arabian Oil CompanyInventors: Hashim N. Al Khunaizi, Ahmad A. Jazzar, Shatha A. Alabbad, Donya A. Sewdan, Qasim Saleem
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Patent number: 11850576Abstract: Methods for producing supported catalysts containing a transition metal and a bound zeolite base are disclosed. These methods employ a step of impregnating the bound zeolite base with the transition metal, fluorine, and high loadings of chlorine. The resultant high chlorine content supported catalysts have improved catalyst activity in aromatization reactions.Type: GrantFiled: February 21, 2022Date of Patent: December 26, 2023Assignee: Chevron Phillips Chemical Company LPInventor: Gabriela D. Alvez-Manoli
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Patent number: 11851386Abstract: This invention describes methods of alkylating isobutane which include a catalytic reaction system comprising a crystalline zeolite catalyst and a rare earth-modified molecular sieve adsorbent (RE-MSA). The crystalline zeolite catalyst comprises sodalite cages and supercages, a Si/Al molar ratio of 20 or less, less than 0.5 weight percent alkali metals; and up to 5 wt % of Pt, Pd and or Ni, and acid-site density (including both Lewis and Brønsted acid sites) of at least 100 mole/gm. The RE-modified molecular sieve adsorbent (Re-MSA) comprising sodalite cages and supercages, a Si/Al molar ratio of 20 or less, less than 1 wt % of alkali metals, RE (rare earth elements) in the range of 10 to 30 wt % and transition metals selected from groups 9-11 in the range from 2 wt % to 10 wt; and acid-site density of no more than 30 mole/gm. The invention also includes methods of making RE-MSA.Type: GrantFiled: October 14, 2022Date of Patent: December 26, 2023Assignee: EXELUS, INC.Inventors: Mitrajit Mukherjee, Vamsi M. Vadhri, Zawer Wojokh, Narendra Joshi
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Patent number: 11845067Abstract: Zeolite catalysts and systems and methods for preparing and using zeolite catalysts having the CHA crystal structure are disclosed. The catalysts can be used to remove nitrogen oxides from a gaseous medium across a broad temperature range and exhibit hydrothermal stable at high reaction temperatures. The zeolite catalysts include a zeolite carrier having a silica to alumina ratio from about 15:1 to about 256:1 and a copper to alumina ratio from about 0.25:1 to about 1:1.Type: GrantFiled: November 15, 2022Date of Patent: December 19, 2023Assignee: BASF CorporationInventors: Ivor Bull, Wen-Mei Xue, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer, Ahmad Moini, Joseph A. Patchett, Joseph C. Dettling, Matthew Tyler Caudle
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Patent number: 11834340Abstract: Embodiments of the present disclosure relate to zeolites and method for making such zeolites. According to embodiments disclosed herein, a zeolite may have a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm and a plurality of mesopores having diameters of greater than 2 nm and less than or equal to 50 nm. The microporous framework may include an MFI framework type. The microporous framework may include silicon atoms, aluminum atoms, oxygen atoms, and transition metal atoms. The transition metal atoms may be dispersed throughout the entire microporous framework.Type: GrantFiled: April 14, 2021Date of Patent: December 5, 2023Assignees: Saudi Arabian Oil Company, King Abdullah University of Science and TechnologyInventors: Robert Peter Hodgkins, Omer Refa Koseoglu, Kuo-Wei Huang, Jean-Marie Maurice Basset, Yu Han, Rajesh Parsapur, Anissa Bendjeriou Sedjerari, Sathiyamoorthy Murugesan
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Patent number: 11833492Abstract: A catalyst structure includes a porous support structure, where the support structure includes an aluminosilicate material and any two or more metals loaded in the porous support structure selected from Ga, Ag, Mo, Zn, Co and Ce. The catalyst structure is used in a hydrocarbon upgrading process that is conducted in the presence of methane, nitrogen or hydrogen.Type: GrantFiled: June 27, 2022Date of Patent: December 5, 2023Inventors: Hua Song, Blair Aiken, Peng He, Shijun Meng
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Patent number: 11826737Abstract: Disclosed is a method of preparing a high-performance zeolite catalyst for reducing nitrogen oxide emissions, and more particularly a technique for preparing a zeolite catalyst, suitable for use in effectively removing nitrogen oxide (NOx), among exhaust gases emitted from vehicle internal combustion engines through selective catalytic reduction (SCR), thereby exhibiting high efficiency, high chemical stability and high thermal durability upon SCR using the prepared catalyst.Type: GrantFiled: December 22, 2021Date of Patent: November 28, 2023Assignees: Hyundai Motor Company, Kia Corporation, Heesung Catalysts CorporationInventors: Pyung Soon Kim, Young Jin Kim, Chang Hwan Kim, Seung Chul Na, Seung Ho Oh, Young San Yoo, Ho Dong Kim
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Patent number: 11819834Abstract: An aluminophosphate molecular sieve SCM-18 has a schematic chemical composition, expressed on a molar basis, of Al2O3.n P2O5, in which n represents a phosphorus to aluminum molar ratio, and is in a range of about 0.8-1.2. The aluminophosphate molecular sieve has a unique X-ray diffraction pattern, and can be used as an adsorbent, a catalyst or a catalyst carrier.Type: GrantFiled: September 19, 2019Date of Patent: November 21, 2023Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Weimin Yang, Zhiqing Yuan, Jiawei Teng, Wenhua Fu, Songlin Liu
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Patent number: 11814353Abstract: A separation method includes a separation step of using a zeolite membrane composite to separate a branched diolefin from a branched hydrocarbon mixture containing the branched diolefin and at least one branched hydrocarbon in which the number of carbon-carbon double bonds is 1 or less and that is of an equivalent carbon number n to the branched diolefin. The zeolite membrane composite used in this step is a zeolite membrane composite that includes a porous support and a FAU-type zeolite membrane formed on at least one surface of the porous support, and in which the FAU-type zeolite membrane is a silylated FAU-type zeolite membrane including a silyl group at the surface thereof.Type: GrantFiled: March 17, 2020Date of Patent: November 14, 2023Assignee: ZEON CORPORATIONInventor: Takahiro Suzuki
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Patent number: 11801499Abstract: The present invention relates to a catalyst for producing light olefins from C4-C7 hydrocarbons from catalytic cracking reaction and the production process of light olefins from said catalyst, wherein said catalyst has core-shell structure comprising a zeolite core with mole ratio of silicon to aluminium (Si/Al) between 2 to 250 and layered double hydroxide shell (LDH). The catalyst according to the invention provides high percent conversion of substrate to products and high selectivity to light olefins product.Type: GrantFiled: June 25, 2021Date of Patent: October 31, 2023Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Chularat Wattanakit, Chadatip Rodaum, Anawat Thivasasith, Sitthiphong Pengpanich
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Patent number: 11779909Abstract: Disclosed is a hydrocracking catalyst, a preparation method and an application thereof. The catalyst comprises a carrier, silicon dioxide and active ingredients loaded on the carrier, wherein the carrier comprises Y molecular sieves and SAPO-34 molecular sieves. The preparation method of the hydrocracking catalyst comprises the following steps: (1) mixing materials comprising Y molecular sieves and SAPO-34 molecular sieves, and then subjecting the mixture to molding, drying and calcinating to obtain a carrier; (2) introducing silane and the active ingredients into the carrier prepared in the step (1), subsequently performing the drying and calcinating to prepare the hydrocracking catalyst. The catalyst prepared with the method can be used for hydrocracking reaction, thereby significantly increase yield of jet fuel.Type: GrantFiled: December 12, 2019Date of Patent: October 10, 2023Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP.Inventors: Zhaoji Tang, Yanze Du, Hongfei Fan, Jifeng Wang, Zhengmin Yu, Xiaoyan Sun
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Patent number: 11766668Abstract: Molecular sieves comprising intergrowths of cha and aft having an “sfw-GME tail”, at least one structure directing agent (SDA) within the framework of the molecular sieve, an intergrowth of CHA and GME framework structures, cha cavities, and aft cavities are described. A first SDA comprising either an N,N-dimethyl-3,5-dimethylpiperidinium cation or a N,N-diethyl-2,6-dimethylpiperidinium cation is required. A second SDA, which can further be present, is a CHA or an SFW generating cation. The amount of the second SDA-2 used can change the proportion of the components in the cha-aft-“sfw-GME tail”. Activated molecular sieves formed from SDA containing molecular sieves are also described. Compositions for preparing these molecular sieves are described. Methods of preparing a SDA containing JMZ-11, an activated JMZ-11, and metal containing activated JMZ-11 are described.Type: GrantFiled: November 18, 2022Date of Patent: September 26, 2023Inventors: Mervyn Shannon, Alessandro Turrina, Sanyuan Yang
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Patent number: 11766667Abstract: A CON zeolite satisfying the following (1) to (2): (1) The framework is CON as per the code specified by the International Zeolite Association (IZA); and (2) It contains silicon and aluminum, and the molar ratio of aluminum to silicon is 0.04 or more.Type: GrantFiled: March 8, 2021Date of Patent: September 26, 2023Assignees: Mitsubishi Chemical Corporation, JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESSInventors: Hiroaki Onozuka, Masahiro Hara, Masato Yoshioka, Toshiyuki Yokoi
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Patent number: 11759768Abstract: A porous formed body (Y) including a porous formed body (X) that satisfies the following (x-1) to (x-3), and an alkali metal carbonate or an alkali metal bicarbonate, in which a content of the alkali metal carbonate or the alkali metal bicarbonate is in a range of from 1 part by mass to 230 parts by mass, with respect to 100 parts by mass of the porous formed body (X), and a production method thereof, an ?-olefin dimerization catalyst and a production method thereof, and a method of producing an ?-olefin dimer: requirement (x-1): a volume of pores with a pore diameter in a range of from 0.01 ?m to 100 ?m is from 0.10 mL/g to 1.00 mL/g; requirement (x-2): a median pore diameter of pores with a pore diameter in a range of from 0.01 ?m to 100 ?m is from more than 0.01 ?m to 10.0 ?m; and requirement (x-3): a crushing strength is from 0.7 kgf to 15.0 kgf.Type: GrantFiled: March 28, 2019Date of Patent: September 19, 2023Assignee: MITSUI CHEMICALS, INC.Inventors: Ryo Niishiro, Jun Kawahara, Masami Murakami
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Patent number: 11752495Abstract: The present disclosure relates to the preparation of pyridine derivatives, such as ?-picoline or ?-parvoline, and catalysts useful for the selective preparation of such pyridine derivatives. Particularly, the present disclosure relates to the selective preparation of certain pyridine derivative using dealuminated zeolite catalysts.Type: GrantFiled: November 1, 2018Date of Patent: September 12, 2023Assignee: VERTELLUS HOLDINGS LLCInventors: Colin H. McAteer, Mirza S. Baig, Kayla L. Powell, James W. Shogren-Harris, Rajamani Gounder
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Patent number: 11752487Abstract: Provided are a pentasil-type zeolite that is less likely to adsorb water compared to conventional zeolites and has excellent strength when used as a molded body, and a method for producing the pentasil-type zeolite. A pentasil-type zeolite having a water adsorption amount of 4.0 g/100 g-zeolite or less under the conditions of 25° C. and a relative humidity of 90% and having a major axis diameter of primary particles of from 0.2 ?m to 4.0 ?m, and a method for producing the pentasil-type zeolite.Type: GrantFiled: October 18, 2019Date of Patent: September 12, 2023Assignee: TOSOH CORPORATIONInventors: Hidenori Yamada, Hiroshi Okaniwa, Satoshi Yoshida
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Patent number: 11745170Abstract: Embodiments of the present disclosure are directed to hydrocracking catalysts and methods of making same. The hydrocracking catalyst comprises a platinum encapsulated zeolite having a crystallinity greater than 20% determined by X-ray powder diffraction analysis.Type: GrantFiled: April 16, 2021Date of Patent: September 5, 2023Assignee: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid
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Patent number: 11739001Abstract: The invention relates to a molecular sieve composition, a process of preparing same and use thereof in the production of lower olefins. The molecular sieve composition comprises an aluminophosphate molecular sieve and a CO adsorbing component, both of which are present independently of each other. When the molecular sieve composition is used as a catalyst for producing lower olefins using synthesis gas as a raw material, the molecular sieve composition has the advantages of high selectivity to lower olefins and the like.Type: GrantFiled: October 23, 2018Date of Patent: August 29, 2023Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPECInventors: Yangdong Wang, Haibo Zhou, Weimin Yang, Su Liu, Chang Liu, Yu Zhao, Hongxing Liu, Xian Lu