Patents Examined by Ali Z Fadhel
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Patent number: 12036535Abstract: A catalyst comprising a barium niobate-based cubic perovskite structure where, Mg and Ca has been used to dope the niobium sites along with Fe, Ni, Co, Y, and Pr.Type: GrantFiled: May 19, 2023Date of Patent: July 16, 2024Assignee: UNM Rainforest InnovationsInventors: Kannan Ramaiyan, Angelica Benavidez, Fernando Garzon, Luke Denoyer
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Patent number: 12036539Abstract: Metal-organic framework materials (MOFs) are highly porous entities comprising a multidentate organic ligand coordinated to multiple metal centers. MOFs having ambient condition stability may comprise a plurality of metal clusters comprising one or more M4O clusters (M is a metal), and a plurality of 4-pyrazolecarboxylate ligands coordinated to the plurality of metal clusters to define an at least partially crystalline network structure having a plurality of internal pores. The MOFs may have a Pa3 symmetry, which upon activation may convert into Fm3m symmetry.Type: GrantFiled: May 28, 2020Date of Patent: July 16, 2024Assignee: ExxonMobil Technology and Engineering CompanyInventors: Joseph M. Falkowski, Yogesh V. Joshi, Mary S. Abdulkarim, Simon C. Weston
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Patent number: 12023658Abstract: Provided are: novel zeolite having an extremely small amount of specific Bronsted acid sites on the surface thereof, which is expected to be useful as a catalyst for the aromatization of a non-aromatic hydrocarbon typified by an aliphatic hydrocarbon; and a catalyst for use in the production of an aromatic hydrocarbon, which comprises the zeolite. Zeolite characterized by satisfying the following requirements (i) to (iii). (i) The zeolite has an average particle diameter of 100 nm or less. (ii) The zeolite is 10-membered ring microporous zeolite. (iii) The amount of the Bronsted acid sites on the outer surface of the zeolite is 0.1 to 10.0 ?mol/g.Type: GrantFiled: July 2, 2020Date of Patent: July 2, 2024Assignee: TOSOH CORPORATIONInventors: Amane Okubo, Tomohiro Hayashi, Ryo Ishimoto, Makoto Hanaya
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Patent number: 12024684Abstract: Furnace systems and methods for steam cracking hydrocarbons to produce ethylene and other light olefins are provided herein. A furnace system for cracking hydrocarbons includes a radiant firebox containing a plurality of burners and an injection nozzle, a primary transfer line exchanger fluidly coupled to and downstream of the radiant firebox, and a flow restrictor fluidly coupled to and downstream of the primary transfer line exchanger. The furnace system also includes a decoke vessel containing an effluent inlet, a fluid outlet, and a coke outlet, where the effluent inlet is fluidly coupled to and downstream of the flow restrictor and the fluid outlet is fluidly coupled to and upstream of the injection nozzle of the radiant firebox, and a coke collection bin is coupled to the coke outlet of the decoke vessel.Type: GrantFiled: July 22, 2020Date of Patent: July 2, 2024Assignee: ExxonMobil Chemical Patents Inc.Inventors: William A. Aslaner, Thomas T. Hirst, David Spicer, George Stephens
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Patent number: 12024479Abstract: Methods for determining ethylene concentration in an ethylene oligomerization reactor using an ultrasonic flow meter are described, and these methods are integrated into ethylene oligomerization processes and related oligomerization reactor systems.Type: GrantFiled: June 23, 2023Date of Patent: July 2, 2024Assignee: Chevron Phillips Chemical Company LPInventors: Bruce Kreischer, Kendall M. Hurst, Eric D. Schwerdtfeger, Steven M. Bischof, Jared Fern, Kent E. Mitchell, James Hillier
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Patent number: 12017983Abstract: Systems and processes for dehydrogenating one or more alkanes using electrically heated dehydrogenation reactors. The source of electric energy or power can be a power grid, solar panel, windmill, hydropower, nuclear power, fuel cell, gas turbines, steam turbines, portable generator or the like. The systems and processes provided herein result in a simpler dehydrogenation process which is particularly beneficial at a small scale and at remote locations, including the well site.Type: GrantFiled: February 14, 2023Date of Patent: June 25, 2024Assignee: PURDUE RESEARCH FOUNDATIONInventors: Rakesh Agrawal, Zewei Chen, Peter Oladipupo
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Patent number: 12012562Abstract: A nonlimiting example method for producing a diesel boiling range composition comprises: oligomerizing an ethylene stream to a C4+ olefin stream in a first olefin oligomerization unit, wherein the C4+ olefin stream contains no greater than 10 wt % of methane, ethylene, and ethane combined in a first oligomerization; and wherein the ethylene stream contains at least 50 wt % ethylene, at least 2000 wppm ethane, no greater than 1000 wppm of methane, and no greater than 20 wppm each of carbon monoxide and hydrogen; oligomerizing the C4+ olefin stream and a propylene/C4+ olefin stream in a second oligomerization unit to produce an isoolefinic stream; wherein at least a portion of the isoolefinic stream is used to create the diesel boiling range composition.Type: GrantFiled: August 16, 2022Date of Patent: June 18, 2024Assignee: ExxonMobil Technology and Engineering CompanyInventors: Matthew J. Vincent, Keith H. Kuechler
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Patent number: 12012561Abstract: A method for producing an isoolefinic stream may include: oligomerizing an ethylene stream to a C4+ olefin stream in a first olefin oligomerization unit comprising a serial reactor and a lights removal column, wherein the C4+ olefin stream contains no greater than 10 wt % of methane, ethylene, and ethane combined; and wherein the ethylene stream contains at least 50 wt % ethylene, at least 2000 wppm ethane, no greater than 1000 wppm of methane, and no greater than 20 wppm each of carbon monoxide and hydrogen; and oligomerizing the C4+ olefin stream and a propylene/C4+ olefin stream in a second oligomerization unit to produce the isoolefinic stream.Type: GrantFiled: August 16, 2022Date of Patent: June 18, 2024Assignee: ExxonMobil Technology and Engineering CompanyInventors: Matthew J. Vincent, Keith H. Kuechler
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Patent number: 12012379Abstract: Provided are a method of purifying an alpha-olefin and a composition for purifying an alpha-olefin therefor. More specifically, a method of purifying an alpha-olefin having an excellent effect of removing impurities in the alpha-olefin and a composition for purifying an alpha-olefin therefor are provided.Type: GrantFiled: December 8, 2020Date of Patent: June 18, 2024Assignee: SABIC SK NEXLENE COMPANY PTE. LTD.Inventors: Yeonock Oh, Choon Sik Shim, Dae Ho Shin, Jaesuk Choi, Howon Lee
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Patent number: 11993552Abstract: The present disclosure discloses a method and a device for continuously synthesizing cyclopropane compounds. The method includes the following steps: continuously performing a synthetic reaction of a diazomethane precursor in a first reactor, the reaction product of the first reactor flowing into a separator for stratification, the organic phase obtained by stratification overflowing into a second reactor, continuously consuming the diazomethane precursor in a second reactor to prepare diazomethane and performing an electron-rich monoolefin cyclopropanation reaction in situ so as to obtain the cyclopropane compound.Type: GrantFiled: July 2, 2019Date of Patent: May 28, 2024Assignee: ASYMCHEM LABORATORIES (TIANJIN) CO., LTD.Inventors: Hao Hong, Jiangping Lu, Xichun Feng, Xingfang Sun, Feng Zhang
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Patent number: 11987755Abstract: The present invention relates to a coke reducing additive composition capable of simultaneously (a) reducing coke formation and (b) increasing distillate yield during pyrolysis of a feedstock in the presence of a plastic material, wherein the feedstock is a vacuum residue (VR), plastic material is a waste plastic material or an olefin polymer (OP) material, or a mixture thereof, and the coke reducing additive composition comprises a naphthenate, preferably a calcium naphthenate, or sodium naphthenate, or a mixture thereof, and to a method of employing the coke reducing additive composition, and to a method of use of the coke reducing additive composition of the present invention.Type: GrantFiled: July 2, 2021Date of Patent: May 21, 2024Assignee: DORF KETAL CHEMICALS (INDIA) Private LimitedInventors: Mahesh Subramaniyam, Shivank Menon, Prasanta Barua, Suhas A. Chavan
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Patent number: 11988654Abstract: A process for decreasing contamination of a commercial refining process by vanadyl porphyrins and/or nickel porphyrins by allowing rapid screening of porphyrins directly from asphaltenes isolated from crude oil without enrichment by use of positive-ion electrospray ionization mass spectrometry (ESI MS). Sodium formate is utilized as a ESI spray modifier. The vanadyl porphyrins are detected predominantly as sodiated species, while nickel porphyrins are observed as both sodiated species and molecular ions. Crude oil feedstocks exceeding a defined threshold concentration of vanadyl porphyrins and/or nickel porphyrins are rejected or diluted prior to utilization as refinery feedstock. Certain embodiments additionally quantitate both deoxophylloerythroetioporphyrins and etioporphyrin content (and their ratio) to predict crude oil thermal maturity.Type: GrantFiled: June 15, 2022Date of Patent: May 21, 2024Assignee: Phillips 66 CompanyInventors: Leonard Nyadong, Jose Edgar Mendez Arroyo
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Patent number: 11987754Abstract: The present disclosure relates to a process for converting a combined feedstock to renewable liquid product(s), wherein the ash content of the combined feedstock of lignin feedstock and a second renewable feedstock is low. The combined feedstock is mixed with solvent, followed by solvolysis to obtain a product mix. At least part of the product mix is recirculated as the oil fraction of said solvent. The present disclosure further concerns the use of the product mix as a renewable product or use of hydroprocessed oil obtained by the process.Type: GrantFiled: December 19, 2022Date of Patent: May 21, 2024Assignee: UPM-KYMMENE CORPORATIONInventors: Pekka Jokela, Andrea Gutierrez, Roel Westerhof, Sascha Kersten, Bert Heesink
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Patent number: 11981613Abstract: Disclosed are methods and systems for hydrogen isotope exchange of organic molecules that can be carried out with no alteration in the chemical structure of the organic molecules. Methods can be utilized to incorporate a particular hydrogen isotope on an organic molecule (e.g., deuteration or tritiation) or to remove a particular hydrogen isotope from an organic molecule (e.g., detritiation).Type: GrantFiled: January 20, 2023Date of Patent: May 14, 2024Assignee: Battelle Savannah River Alliance, LLCInventors: George K. Larsen, III, Tyler C. Guin, Joseph E. Meany, Jay B. Gaillard, Mark C. Elvington
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Patent number: 11969714Abstract: The present invention is concerned with a catalyst for the conversion of ethanol to 1,3-butadiene comprising a component A selected from the list consisting of zeolite, silicon dioxide, aluminium oxide, or any combination thereof; and a component Bcat comprising a mixed metal oxide, a catalyst precursor for the preparation of a catalyst for the conversion of ethanol to 1,3-butadiene comprising a component A selected from the list consisting of zeolite, silicon dioxide, aluminium oxide, or any combination thereof; and a component Bpre comprising a layered double hydroxide (LDH) as well as a process for the conversion of ethanol to 1,3-butadiene, in which said catalyst is used.Type: GrantFiled: February 10, 2020Date of Patent: April 30, 2024Assignee: SCG CHEMICALS COMPANY LIMITEDInventor: Aunchana Wangriya
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Patent number: 11964925Abstract: Provided is a method for preparing an oligomer including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to prepare a reaction product; supplying a discharge stream from the reactor including the reaction product to a separation device and supplying a lower discharge stream from the separation device to a settling tank; adding an organic flocculant to the settling tank to settle and remove a polymer and supplying the lower discharge stream from the separation device from which the polymer is removed to a high boiling point separation column; and removing a high boiling point material from the lower portion in the high boiling point separation column and supplying an upper discharge stream including an oligomer to a solvent separation column.Type: GrantFiled: January 10, 2022Date of Patent: April 23, 2024Assignee: LG Chem, Ltd.Inventors: Kyung Seog Youk, Jong Hun Song, Min Ho Sun, Hong Min Lee, Hyun Seok Kim, Moon Sub Hwang, Jeong Seok Lee
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Patent number: 11958046Abstract: Methods and systems for alkylate production involving a multi-zone alkylation reactor. The multi-zone alkylation reactor includes a plurality of alkylation zones spaced vertically in a series configuration and a partition splitting the plurality of alkylation zones into at least two mechanically separated catalytic volumes.Type: GrantFiled: June 16, 2023Date of Patent: April 16, 2024Assignee: KELLOGG BROWN & ROOT LLCInventors: Rajeev Ranjan, Anubhav Kapil
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Patent number: 11952323Abstract: The current disclosure relates to an apparatus and a process for producing poly-?-olefins (PAO), including reacting olefin monomers in a presence of a catalyst complex to form PAO product. The reaction is performed in a reaction including a reactor vessel and a system for recycling and cooling part of reactor outlet stream. At least one reactor is a cone reactor with a first cross sectional area in an upper part of the vessel and the cross sectional area decreases downwards to a second cross sectional area, which is smaller than the first cross sectional area.Type: GrantFiled: June 14, 2022Date of Patent: April 9, 2024Assignee: NESTE OYJInventors: Jan Wahlström, Hanna Honkanen, Veli-Matti Purola, Filip Thierie
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Patent number: 11952339Abstract: Provided is a method of recovering unreacted ethylene in an ethylene oligomerization process and reusing the ethylene as a raw material, and more particularly, to a method of recovering unreacted ethylene with an increased recovery rate of reuse. When the method of the present invention is used, most of unreacted ethylene may be dissolved in a solvent to be recovered without loss, and a low boiling point reaction product which is not dissolved in the solvent is removed to prevent an unreacted product from being concentrated in a reactor.Type: GrantFiled: July 22, 2020Date of Patent: April 9, 2024Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.Inventors: Chansaem Park, Jinhwan Bang, Sungreal Son, Inhyoup Song, Woosung Jung, Eol Han
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Patent number: 11939283Abstract: An integrated process for hydrogenating olefins wherein the hydrogen stream is generated from electrolysis of water is described. Water is derived from a first reaction step wherein a first feed stream comprising oxygenated hydrocarbons is reacted to produce a first reacted product stream comprising olefins and a second reacted product stream comprising water. The second reacted product stream is electrolyzed to produce an electrolyzer product stream comprising hydrogen. Hydrogen is used to hydrogenate olefins. A paraffin stream can be obtained from the hydrogenated effluent.Type: GrantFiled: November 29, 2022Date of Patent: March 26, 2024Assignee: UOP LLCInventors: Manuela Serban, Chunqing Liu, Ashish Mathur, Saikrishna Laxmirajam Gosangari, Charles Luebke, Eseoghene Jeroro, Chad R. Huovie