Patents Examined by Medhanit W Bahta
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Patent number: 11691935Abstract: The production method according to the present disclosure comprises obtaining a product containing the fluoroethane from a fluoroethylene by a reaction in the presence of catalysts. Each catalyst is formed by supporting a noble metal on a carrier. A reactor for performing the reaction is filled with a catalyst having a noble metal concentration of C1 mass % based on the entire catalyst and a catalyst having a noble metal concentration of C2 mass % based on the entire catalyst to form an upstream portion and a downstream portion, respectively; and C1<C2. The reaction is performed by bringing the fluoroethylene represented by formula (3) and hydrogen gas into contact with the upstream portion and the downstream portion in this order.Type: GrantFiled: June 17, 2021Date of Patent: July 4, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tomoyuki Iwamoto, Takashi Usui, Takehiro Chaki, Tsubasa Nakaue, Kazuhiro Takahashi
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Patent number: 11673873Abstract: Provided herein are agonists of the apelin receptor for the treatment of disease. The compounds disclosed herein are useful for the treatment of a range of cardiovascular, renal and metabolic conditions.Type: GrantFiled: May 7, 2020Date of Patent: June 13, 2023Assignee: SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTEInventors: Layton H. Smith, Anthony B. Pinkerton, Paul Hershberger, Patrick Maloney, Danielle McAnally
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Patent number: 11667594Abstract: By fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent, an efficient method for producing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) is provided. Through this composition including 1232xd, there are also provided an environmentally friendly composition having excellent ability to dissolve various organic matters, a method for cleaning an article using the composition, a method for producing a lubricant solution using the composition, and a method for producing a component provided with a lubricant coating film.Type: GrantFiled: April 21, 2022Date of Patent: June 6, 2023Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Masamune Okamoto, Kei Matsunaga, Hideaki Imura, Shota Kawano
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Patent number: 11661388Abstract: A process produces sodium and/or potassium alkoxides in countercurrent by reactive rectification. Alcohol is reacted in countercurrent with the respective alkali metal hydroxide. The vapours containing alcohol and water are separated into at least two serially arranged rectification columns. The energy of the vapour obtained in the first rectification is utilized for operating the second rectification. This specific energy integration coupled with establishing a certain pressure difference in the two rectification stages makes it possible to cover a particularly large proportion of the energy required for the rectification through electricity and to save heating steam.Type: GrantFiled: April 13, 2022Date of Patent: May 30, 2023Assignee: Evonik Functional Solutions GmbHInventors: Dirk Roettger, Sebastian Reimann, Armin Matthias Rix, Niklas Paul, Moritz Schröder, Philip Zitzewitz
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Patent number: 11661553Abstract: The disclosed invention relates to a method for restarting a synthesis gas conversion process which has stopped. The synthesis gas conversion process may be conducted in a conventional reactor or a microchannel reactor. The synthesis gas conversion process may comprise a process for converting synthesis gas to methane, methanol or dimethyl ether. The synthesis gas conversion process may be a Fischer-Tropsch process.Type: GrantFiled: July 1, 2020Date of Patent: May 30, 2023Assignee: Velocys, Inc.Inventors: Roger A. Harris, Soumitra R. Deshmukh, Paul E. Kennedy, Robert Dwayne Litt, Lucas D. Schrader, Andre P. Steynberg, Steven T. Perry
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Patent number: 11661387Abstract: The present invention relates to a method for producing high-purity 1,1,1,2,3,3-hexafluoropropane and a composition containing mainly 1,1,1,2,3,3-hexafluoropropane, suitable for use as a cleaning agent in the semiconductor industry.Type: GrantFiled: December 13, 2021Date of Patent: May 30, 2023Assignee: Arkema FranceInventors: Laurent Wendlinger, Dominique Deur-Bert
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Patent number: 11655199Abstract: A halogenated alkene compound and a fluorinated alkyne compound are obtained at a high conversion rate and high selectivity by employing any of the following methods (1) to (4): (1) a halogenated butane compound represented by CX1X2X3CHX4CFHCX5X6X7, wherein X1, X2, X3, X4, X5, X6, and X7 are the same or different and each is a halogen atom, to a dehydrofluorination reaction; (2) a halogenated butene compound represented by CX1X2X3CX4?CHCX5X6X7, wherein X1, X2, X3, X4, X5, X6, and X7 are as defined above, to a dehydrohalogenation reaction; (3) a halogenated alkane compound represented by CHX8A1CHX9A2, wherein A1 and A2 are each a fluorine atom or a perfluoroalkyl group, and X8 and X9 are the same or different and each is a halogen atom, to a dehydrohalogenation reaction in the presence of a catalyst in a gas phase; and (4) a halogenated alkene compound represented by CX8A1=CHA2, wherein A1, A2, and X8 are as defined above, to a dehydrohalogenation reaction in the presence of a catalyst.Type: GrantFiled: August 20, 2021Date of Patent: May 23, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yuusuke Etou, Shingo Nakamura
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Patent number: 11634373Abstract: Provided is a thermally stable bisphenol composition whose increase in the Hazen color number is suppressed even under higher temperature conditions. A bisphenol composition including an aryl alkyl sulfide or a dialkyl disulfide at 0.1 ppb by mass to 1% by mass with respect to a bisphenol. A bisphenol composition including an aryl alkyl sulfide or a dialkyl disulfide at a predetermined ratio is thermally stable in terms of the Hazen color number, and shows no coloring problem under high temperature conditions. By using such a bisphenol composition, a polycarbonate resin having an excellent color tone can be produced.Type: GrantFiled: February 21, 2020Date of Patent: April 25, 2023Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Kei Uchiyama, Kazuhisa Hatakeyama, Makoto Nakamura, Toshio Uchibori, Michitaka Ise
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Patent number: 11629112Abstract: The present disclosure relates to a method for preparation of 1,4-cyclohexanedimethanol. According to the present disclosure, two step reduction reactions are conducted using terephthalic acid as starting material, and an isomerization process for increasing the rate of trans isomers of CHDA is introduced therebetween, thereby providing a method capable of stably preparing CHDM with high rate of trans isomers.Type: GrantFiled: December 16, 2019Date of Patent: April 18, 2023Inventors: Namjin Jang, Eun Jeong Kim, Sun Uk Lee, Jong Kwon Lee
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Patent number: 11629110Abstract: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf).Type: GrantFiled: June 21, 2021Date of Patent: April 18, 2023Inventors: Changyue Zhou, Yong Wang
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Patent number: 11618724Abstract: The present disclosure provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present disclosure provides a method for purifying 1,2-difluoroethylene, which is HFO-1132, the method comprising, in this order, step 1 of bringing a composition comprising trans-1,2-difluoroethylene, which is HFO-1132(E), and water into contact with a zeolite having an average pore size of 2 to 4 ? to reduce the water content from the composition; and step 2 of recovering a purified product containing HFO-1132(E) and a reduced content of water, and containing less than 0.1% by volume of HFO-1132(Z).Type: GrantFiled: June 28, 2021Date of Patent: April 4, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Takashi Usui, Kazuhiro Takahashi, Tomoyuki Iwamoto
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Patent number: 11596929Abstract: Fischer-Tropsch process for the synthesis of hydrocarbons by bringing a feedstock including synthesis gas into contact with a catalyst prepared by the following: a porous support is brought into contact with a cobalt metal salt of which the melting point of the cobalt metal salt is between 30 and 150° C. for between 5 minutes and 5 hours, in order to form a solid mixture, the weight ratio of said cobalt metal salt to the porous oxide support being between 0.1 and 1; the solid mixture obtained is heated with stirring under atmospheric pressure at a temperature between the melting point of the cobalt metal salt and 200° C. for a period of time of between 30 minutes and 12 hours; the solid obtained is calcined at a temperature above 200° C. and below or equal to 1100° C.Type: GrantFiled: September 4, 2019Date of Patent: March 7, 2023Assignee: IFP Energies nouvellesInventors: Elodie Tellier, Antoine Fecant, Eugenie Tavernier
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Patent number: 11597691Abstract: A process for synthesising methanol is described comprising the steps of (i) passing a feed gas comprising a make-up gas containing hydrogen and carbon dioxide to a methanol synthesis loop, (ii) recovering a product gas mixture containing methanol from the methanol synthesis loop, (iii) cooling the product gas mixture to below the dew point to condense crude methanol, (iv) separating the crude methanol from an unreacted gas mixture, (v) passing a portion of the unreacted gas mixture to the methanol synthesis loop and (vi) recovering a portion of the unreacted gas mixture as a purge gas stream, characterised by contacting the crude methanol and a portion of the purge gas in a stripping unit to strip dissolved gases from the crude methanol thereby forming a stripped crude methanol and an enriched gas mixture, and feeding at least a portion of the enriched gas mixture to the methanol synthesis loop.Type: GrantFiled: April 16, 2019Date of Patent: March 7, 2023Assignee: Johnson Matthey Davy Technologies LimitedInventors: Simon Robert Early, David McGregor Turnbull
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Patent number: 11584703Abstract: A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.Type: GrantFiled: September 28, 2020Date of Patent: February 21, 2023Assignee: OCCIDENTAL CHEMICAL CORPORATIONInventors: Robert L. Zeller, Darrell Hollis, Keith S. Kramer, Brian Calderwood, Rodney L. Klausmeyer
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Patent number: 11578022Abstract: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf).Type: GrantFiled: June 21, 2021Date of Patent: February 14, 2023Inventors: Changyue Zhou, Yong Wang
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Patent number: 11578021Abstract: A process for alkane chlorination comprising: (a) providing an aqueous solution comprising dissolved alkanes selected from methane, ethane or combinations thereof; (b) providing an 0.005 to 0.050 M aqueous solution of trichloroisocyanuric acid, wherein the trichloroisocyanuric acid in solution forms cyanuric acid and hypochlorous acid; and (c) contacting the aqueous solution comprising dissolved alkanes with the aqueous solution of trichloroisocyanuric acid, wherein a liquid phase reaction between the dissolved alkanes and the hypochlorous acid forms a gaseous product stream comprising at least one of chloromethane and chloroethane.Type: GrantFiled: June 28, 2022Date of Patent: February 14, 2023Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOISInventors: Varun Mohan, Prashant Jain
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Patent number: 11578025Abstract: The present invention provides continuous flow processes for the preparation of the compound of Formula (2-A), an intermediate used in the preparation of zuclomiphene or a salt thereof.Type: GrantFiled: October 18, 2021Date of Patent: February 14, 2023Assignee: Apotex Inc.Inventors: Dineshkumar Patel, Avedis Karadeolian, Fabio E. S. Souza, Allan W. Rey
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Patent number: 11578023Abstract: The present invention relates to methods and catalysts for producing methylbenzyl alcohol from ethanol by catalytic conversion, and belongs to the field of chemical engineering and technology. The present invention develops a route of producing methylbenzyl alcohol starting from green and sustainable ethanol and provide corresponding catalysts used for the catalytic conversion route. This innovative reaction route has several advantages, such as, simple process, eco-friendly property, and easy separation of products, as compared with a traditional petroleum-based route. This present route has a reaction temperature of 150-450° C. and total selectivity of 72% for methylbenzyl alcohol, and has good industrial application prospect. The innovation of this patent comprises the catalysts synthesis and the reaction route.Type: GrantFiled: September 28, 2018Date of Patent: February 14, 2023Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Anhui Lu, Wencui Li, Qingnan Wang
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Patent number: 11572326Abstract: A method hydrofluorinates an olefin of the formula: RCX=CYZ to produce a hydrofluoroalkane of formula RCXFCHYZ or RCXHCFYZ, where X, Y, and Z are independently the same or different and are selected from the group consisting of H, F, Cl, Br, and C1-C6 alkyl which is partially or fully substituted with chloro or fluoro or bromo; and R is a C1-C6 alkyl which is unsubstituted or substituted with chloro or fluoro or bromo. The method includes reacting the olefin with HF in the vapor phase, in the presence of SbF5, at a temperature ranging from about ?30° C. to about 65° C. and compositions formed by the process.Type: GrantFiled: April 1, 2021Date of Patent: February 7, 2023Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Xuehui Sun, Mario Joseph Nappa, Karl Krause
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Patent number: 11572328Abstract: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf).Type: GrantFiled: June 22, 2021Date of Patent: February 7, 2023Inventors: Changyue Zhou, Yong Wang