Patents Examined by Derek Rhoades
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Patent number: 12678771Abstract: A carbon dioxide (CO2) hydrogenation catalyst and a method of its preparation. The CO2 hydrogenation catalyst includes an alkali-metal enriched bauxite residue including calcium carbonate (CaCO3), iron(III) oxide (Fe2O3), iron(III) oxyhydroxide (FeO(OH)), aluminum hydroxide (Al(OH)3), sodalite, muscovite, and Na5Al2CSi3O15. The CO2 hydrogenation catalyst further includes 1 weight percent (wt. %) to 10 wt. % potassium based on a total weight of the CO2 hydrogenation catalyst by inductively coupled plasma optical emission spectroscopy (ICP-OES). The CO2 hydrogenation catalyst is used in a method of hydrogenating carbon dioxide to produce olefins.Type: GrantFiled: April 24, 2025Date of Patent: July 14, 2026Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: M. Nasiruzzaman Shaikh, Mahbuba Aktary, Atif Alzahrani, Mohamed Ahmed Yahya Sanhoob
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Patent number: 12668559Abstract: The present invention relates to a process of hydrogenating an alkyne selectively to an alkene by hydrogen using a hydrogenation catalyst which is palladium supported on a carrier in the presence of an additive mixture of an organic phosphorus compound (AP) and an organic sulphur compound (AS).Type: GrantFiled: May 26, 2020Date of Patent: June 30, 2026Assignee: DSM IP ASSETS B.V.Inventors: Jonathan Alan Medlock, Lise Malika Molinari
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Patent number: 12662444Abstract: A process for manufacturing aliphatic amines and nitriles by using the Fischer Tropsch synthesis (FTS), in the production of chain-lengthened hydrocarbons from CO and H2 and their terminal nitrogen functionalization using ammonia. The method can include activating a catalyst with a feed gas, wherein the feed gas comprises H2/CO mixtures; providing a temperature between 180° C. and 300° C. under a pressure between 1 bar to 25 bar; wherein the nitrogenates include at least one aliphatic amine and/or nitrile; and setting or adjusting the H2/CO ratio to selectively synthesize amines and/or nitriles over other nitrogen containing compounds.Type: GrantFiled: April 30, 2021Date of Patent: June 23, 2026Assignee: Washington State UniversityInventors: Norbert Kruse, Hafsa Karroum, Viacheslav Iablokov
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Patent number: 12662495Abstract: The present disclosure relates to a silicon precursor compound, a method of preparing the silicon precursor compound, a silicon-containing film-forming precursor composition including the silicon precursor compound, and a method of forming a silicon-containing film using the precursor compound.Type: GrantFiled: July 29, 2022Date of Patent: June 23, 2026Assignee: UP CHEMICAL CO., LTD.Inventors: Jin Sik Kim, Byung Kwan Kim, Jun Hwan Choi, Da Som Yu
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Patent number: 12660456Abstract: The present invention relates to a display device comprising a plurality of OLED pixels comprising at least two OLED pixels, the OLED pixels comprising an anode, a cathode, and a stack of organic layers, wherein the stack of organic layers is arranged between and in contact with the cathode and the anode, and comprises a first electron transport layer, a first hole transport layer, and a first light emitting layer provided between the first hole transport layer and the first electron transport layer, and a driving circuit configured to separately driving the pixels of the plurality of OLED pixels, wherein, for the plurality of OLED pixels, the first hole transport layer is provided in the stack of organic layers as a common hole transport layer shared by the plurality of OLED pixels, and the first hole transport layer comprises (i) at least one first hole transport matrix compound consisting of covalently bound atoms and (ii) at least one electrical p-dopant selected from metal salts and from electricallType: GrantFiled: November 4, 2021Date of Patent: June 16, 2026Assignee: Novaled GmbHInventors: Ulrich Heggemann, Markus Hummert
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Patent number: 12649711Abstract: The present invention discloses a newly high-efficiency method for co-production of carboxylic acid and ?-caprolactone based on the aerobic oxidation, that is, under the developed catalytic system, the aldehyde is oxidized to corresponding carboxylic acid while cyclohexanone is oxidized to ?-caprolactone, realizes the co-production of carboxylic acid and ?-caprolactone. The salient features of this method include the use of cheap and readily available substrates, mild reaction conditions, environmentally friendly, and easy operation. It can realize the co-production of carboxylic acid and high value-added ?-caprolactone.Type: GrantFiled: July 21, 2020Date of Patent: June 9, 2026Assignee: ZHEJIANG UNIVERSITYInventors: Shengming Ma, Jinxian Liu
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Patent number: 12649710Abstract: A process for the continuous production of either acrolein or acrylic acid as the target product from propene comprising a catalyzed gas phase partial oxidation of propene to yield a product gas containing the target product, transferring the target product in a separating zone from the product gas into the liquid phase and conducting out of the separating zone a stream of residual gas the major portion of which is returned into the partial oxidation and the remaining portion of said stream is purged from the process as off-gas from which synthesis gas can be produced or which can be added to synthesis gas produced otherwise.Type: GrantFiled: July 14, 2020Date of Patent: June 9, 2026Assignee: BASF SEInventors: Kazuhiko Amakawa, Lukas Schulz, Michael Bender, Klaus Joachim Mueller-Engel, Christian Walsdorff, Signe Unverricht
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Patent number: 12637419Abstract: Process for separating anhydrous methanesulfonic acid from a reaction mixture comprising methanesulfonic acid and sulfuric acid by distillation with at least three functional steps and the use of said methanesulfonic acid.Type: GrantFiled: July 28, 2020Date of Patent: May 26, 2026Assignee: BASF SEInventors: Marina-Eleni Stavrou, Marcus Bechtel, Rosario Mazarro Berdonces, Frank Piepenbreier, Chee Jian Chan, Bjoern Kaibel, Andreas Kempter
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Patent number: 12616959Abstract: The present invention relates to the use of a catalyst made of rhenium oxide supported by cerium oxide, with formula ReOx/CeO2 (I), for catalyzing the deoxydehydration of glycerol to allyl alcohol, the reaction being carried out under heterogeneous conditions in the presence of at least one aliphatic alcohol; and to a method for producing allyl alcohol from glycerol in the presence of the catalyst.Type: GrantFiled: March 24, 2021Date of Patent: May 5, 2026Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFQUE, CENTRALE LILLE INSTITUT, UNIVERSITÉ DE LILLEInventors: Benjamin Katryniok, Karen Silva, Marcia Araque
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Patent number: 12611656Abstract: A method for preparing a molybdenum-bismuth-based composite metal oxide.Type: GrantFiled: August 17, 2021Date of Patent: April 28, 2026Assignee: LG CHEM, LTD.Inventors: Hyunsub Lim, Byung Yul Choi, Young Hyun Choe, Dong Woo Seo, Hyeonho Joo, Youngju Choi, Saeha Lee, Minsu Kim
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Patent number: 12606507Abstract: A method for preparing 1,2-propanediol involves reacting propene with hydrogen peroxide in the presence of a catalyst mixture, containing a phase transfer catalyst and a heteropolytungstate, in a liquid reaction mixture containing an aqueous phase with a maximum apparent pH of 6 and an organic phase. The method then involves separating the reaction mixture into an aqueous phase (Pa) containing 1,2-propanediol and formic acid and an organic phase (Po); recycling at least part of the separated organic phase (Po) to the reaction; contacting at least a part of the separated aqueous phase (Pa) with a palladium catalyst; and recovering 1,2 propanediol from the aqueous phase provided by the contacting. The contacting of at least a part of the separated aqueous phase (Pa) with the palladium catalyst reduces the content of formic acid.Type: GrantFiled: October 7, 2021Date of Patent: April 21, 2026Assignee: Evonik Operations GmbHInventors: Holger Wiederhold, David Bolz, Jürgen Glenneberg
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Patent number: 12606514Abstract: The present disclosure relates to an isomerization method of a cyclohexane dicarboxylic acid (CHDA) and, more specifically, to a method for preparing a trans-cyclohexane dicarboxylic acid (t-CHDA) from a cis-cyclohexane dicarboxylic acid (c-CHDA) by means of catalytic isomerization. Particularly, an embodiment of the present disclosure provides a method for preparing, in high efficiency and high yield and at a low cost, a CHDA having a high t-CHDA content from a CHDA mainly containing c-CHDA, by using an isomerization catalyst containing zirconia and having a BET specific surface area of 50 m2/g or more.Type: GrantFiled: October 27, 2020Date of Patent: April 21, 2026Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Jong Kwon Lee, Namjin Jang, Eun Jeong Kim, Sun Uk Lee
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Patent number: 12600920Abstract: A method for the separate extraction of rice bran oil and rice bran wax using supercritical CO2 as extraction medium and including two separation steps involving different predetermined pressure and temperature conditions.Type: GrantFiled: July 17, 2020Date of Patent: April 14, 2026Assignee: RB PROCESS SAInventor: Jérôme Abrahmi
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Patent number: 12595274Abstract: [Problem] To provide an alkenyl phosphorus compound. [Means to Solve the Problem] The method for manufacturing an alkenyl phosphorus compound according to the present invention is a method in which a specific phosphorus compound and a specific alkynyl compound are reacted in the presence of a transition metal complex and a Lewis acid, thereby giving an alkenyl phosphorus compound.Type: GrantFiled: November 26, 2020Date of Patent: April 7, 2026Assignee: Maruzen Petrochemical Co., Ltd.Inventor: Yuta Saga
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Patent number: 12590050Abstract: The present invention relates to a preparation method of biobased adipic acid. In the method, by using a nickel-based hydrogenation catalyst provided by the present invention, when a substrate concentration is as high as 200 g/L, the reaction of biobased sodium muconate and hydrogen is catalyzed in a batch reactor and a micro packed bed to prepare sodium adipate, and the yield of a target product is close to 100 mol %. Wherein the biobased sodium muconate is biobased sodium muconate obtained by microbial fermentation. The method has the advantages of short reaction path, good economy, and easy large-scale preparation, and lays a solid foundation for the industrialization of green synthesis of the biobased adipic acid.Type: GrantFiled: January 15, 2025Date of Patent: March 31, 2026Assignee: Beijing University of Chemical TechnologyInventors: Tianwei Tan, Chun Shen, Xiao Liang
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Patent number: 12577190Abstract: The invention relates to a method for producing polyol esters, especially polyglycerol esters, of 3-oxobutyric acid, as well as the products thus obtained and their use.Type: GrantFiled: June 12, 2019Date of Patent: March 17, 2026Assignee: KetoLipix Therapeutics GmbHInventors: Dirk Lochmann, Sebastian Reyer, Michael Stehr
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Patent number: 12577264Abstract: A borate compound-containing composition soluble in hydrocarbon solvents. A composition containing base A, or a compound having a total carbon number of not less than 8 and represented by the formula (5): wherein R and R? are each independently an optionally substituted C1-30 alkyl group, an optionally substituted C3-15 cycloalkyl group, or an optionally substituted C6-14 aryl group; and a borate compound represented by the following formula (1): wherein R1, R2, R3 and R4 are each independently a C6-14 aryl group substituted by one or more fluorine atoms or fluoro C1-4 alkyl groups; and [A-H]+ is a base A-derived cation. A method for producing a polymer, by polymerizing at least one kind of monomer selected from the group consisting of olefins and dienes by using the composition A as a cocatalyst.Type: GrantFiled: September 9, 2022Date of Patent: March 17, 2026Assignee: AGC INC.Inventor: Takuya Fujimoto
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Patent number: 12570595Abstract: Provided is a process for producing acrylic acid, wherein the process comprises a first step and a second step in which a first absorbent is added to a reaction product of a bio-material and cooled to separate a first low-boiling-point material including acetaldehyde (ACHO) and a first high-boiling-point material including acrylic acid (AA). The process is capable of producing high-purity acrylic acid at high yield, and acetaldehyde is produced as by-product along with the reaction product of the bio-material. The process includes separating the acetaldehyde produced as by-product into a high-purity product at high yield.Type: GrantFiled: October 27, 2021Date of Patent: March 10, 2026Assignee: LG CHEM, LTD.Inventors: Hyebin Kim, Mi Kyung Kim, Eunkyo Kim, Joon Ho Shin
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Patent number: 12570596Abstract: Provided is a process for producing acrylic acid, the process comprising: (step 1) preparing a first aqueous lactic acid solution by diluting a lactic acid raw material with water; (step 2) heat exchanging the first aqueous lactic acid solution to form a vaporized second lactic acid vapor and an unvaporized third aqueous lactic acid solution; (step 3) including the unvaporized third aqueous lactic acid solution in the aqueous solution of the step 1; and (step 4) supplying and absorbing an absorption liquid to the vaporized second lactic acid vapor to form an absorbed fourth aqueous lactic acid solution and an unabsorbed fifth lactic acid vapor, wherein the absorption liquid is water or an aqueous lactic acid solution.Type: GrantFiled: October 27, 2021Date of Patent: March 10, 2026Assignee: LG CHEM, LTD.Inventors: Eunkyo Kim, Mi Kyung Kim, Joon Ho Shin, Hyebin Kim
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Patent number: 12570665Abstract: Described herein are C60/70/PS-CB-Abx and nano-C60/70PS compounds, their pharmaceutical compositions, and methods pf photodynamic therapy using the compounds and compositions.Type: GrantFiled: June 9, 2020Date of Patent: March 10, 2026Assignee: University of MassachusettsInventors: Long Y. Chiang, Tianhong Dai, Min Wang