Abstract: Provided is a single step process for producing 2-methyltetrahydrofuran from furfuryl alcohol with high conversion rate and high selectivity towards 2-methyltetrahydrofuran.
Abstract: The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCl), methods of forming same, and methods of separating, or breaking, the azeotrope or azeotrope-like compositions of trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCl).
Type:
Grant
Filed:
November 10, 2021
Date of Patent:
January 31, 2023
Assignee:
Honeywell International Inc.
Inventors:
Haluk Kopkalli, Joshua Close, Pramod K W Harikumar Warrier, Daniel C. Merkel
Abstract: A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane, where said step of dehydrochlorinating 1,1,1,3,3-pentachloropropane takes place in the presence of an oxidizing agent and in the presence of a Lewis acid, and where the oxidizing agent is chlorine and the Lewis acid is ferric chloride.
Type:
Grant
Filed:
August 27, 2021
Date of Patent:
January 31, 2023
Assignee:
Occidental Chemical Corporation
Inventors:
Rodney L. Klausmeyer, Darrell G. Hollis, Keith S. Kramer, John L. Dawkins, Derrek Rae Burrows
Abstract: A method for producing isopropyl alcohol is provided in which propylene is hydrated directly with water to produce isopropyl alcohol, the method including: a distillation step in which crude isopropyl alcohol is distilled; and a filtration step in which the isopropyl alcohol obtained in the distillation step is filtered through a filter having an ion-exchange group.
Abstract: A process for making 2,3,3,3-tetrafluoropropene (HFO-1234yf) includes providing a composition including 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) to a reactor including a heater surface at a surface temperature greater than about 850° F. (454° C.), and then bringing the composition into contact with the heater surface for a contact time of less than 10 seconds to dehydrochlorinate a portion of the HCFC-244bb to make HFO-1234yf.
Type:
Grant
Filed:
June 5, 2019
Date of Patent:
January 17, 2023
Assignee:
Honeywell International Inc.
Inventors:
Haluk Kopkalli, Carlos Navar, Yuon Chiu, Haiyou Wang
Abstract: The invention relates to a method for the preparation of cannabidiol and an intermediate for the preparation of cannabidiol, wherein two intermediates are obtained, namely a silylated olivetol and a silylated olivetol (2) and brominated olivetol (4) which are stable, storable and which do not have undesirable properties or byproducts.
Abstract: The invention relates to biosourced vinylidene difluoride. The invention also relates to methods for preparation of biosourced vinylidene difluoride from various renewable raw materials. The invention also relates to homopolymers of vinylidene difluoride obtained from polymerization of said monomer, and also copolymers obtained by copolymerization of said monomer with one or several compatible comonomers. Finally, the invention relates to the use of said homopolymers or copolymers in applications, such as chemical engineering or electronics, in particular mass-market electronic devices.
Abstract: A dehydrochlorination process is disclosed. The process involves contacting RfCHClCH2Cl with a chromium oxyfluoride catalyst in a reaction zone to produce a product mixture comprising RfCCl?CH2, wherein Rf is a perfluorinated alkyl group.
Abstract: A dielectric fluid (i.e., dielectric composition) that includes a perfluorinated 1-alkoxypropene compound represented by the following general Formula (I): RfO—CF?CFCF3 wherein Rf is CF3— or CF3CF2—. Such dielectric fluids may be useful in various electrical devices.
Type:
Grant
Filed:
December 12, 2018
Date of Patent:
January 10, 2023
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Sean M. Smith, Michael G. Costello, Klaus Hintzer, Markus E. Hirschberg, William M. Lamanna, John G. Owens
Abstract: Provided are tetrahydroisoquinoline derivatives, the preparation and use thereof. More specifically, provided are the tetrahydroisoquinoline derivatives or a pharmaceutically acceptable salt, ester, stereoisomer, tautomer, polymorph, solvate, isotopically labeled compound, metabolite or prodrug thereof. Further provided are a preparation process of the compound, the intermediates, a pharmaceutical composition comprising the compound and the use thereof in the treatment or prevention of a thromboembolic disorder.
Abstract: Provided is a method for obtaining HFO-1132(E) and/or HFO-1132(Z) efficiently. The method is a method for producing HFO-1132(E) and/or HFO-1132(Z), comprising supplying a composition containing HFO-1132(E) and/or HFO-1132(Z) to a reactor, and performing an isomerization reaction between HFO-1132(E) and HFO-1132(Z).
Abstract: Disclosed are inhibitors for the ?-catenin/BCL9 interaction. The inhibitors are selective for ?-catenin/BCL9 over ?-catenin/cadherin interactions. Methods of using the disclosed compounds to treat cancer are also disclosed.
Type:
Grant
Filed:
December 17, 2018
Date of Patent:
January 3, 2023
Assignee:
H. Lee Moffitt Cancer Center and Research Institute, Inc.
Abstract: Provided is a method for producing organic molecules having at least two carbon atoms chained together by the reaction of a hydrogen-containing source, a carbon-containing source and an optional nitrogen-containing source in the presence of a nanostructure or nanostructures, wherein the reaction is initiated by heat.
Type:
Grant
Filed:
October 18, 2018
Date of Patent:
November 29, 2022
Assignee:
Beijing Guanghe New Energy Technology Co., Ltd.
Abstract: The present invention relates to a process for preparing ethers, particularly unsymmetrical ethers, and preferably ethers suitable for use as base stocks for lubricant compositions. In particular, the process involves the reaction of an ?,?-unsaturated aldehyde with a trihydrocarbyl orthoester to form an ?,?-unsaturated acetal and conversion of the ?,?-unsaturated acetal to an ether through hydrogenation and hydrogenolysis.
Abstract: A method for conversion of a composition containing HCFO-1233zd(Z) and HCFC-244fa to form HCFO-1233zd(E) by reacting a mixture including HCFO-1233zd(Z) and HCFC-244fa in a vapor phase in the presence of a catalyst to simultaneously isomerize HCFO-1233zd(Z) to form HCFO-1233zd(E) and dehydrohalogenate HCFC-244fa to form HCFO-1233zd(E). The catalyst may be a chromium-based catalyst such as chromium trifluoride, chromium oxyfluoride, or chromium oxide, for example.
Abstract: The present disclosure provides a method for producing a reaction gas containing R-1132(E) with selectivity higher than that of known methods. Specifically, the present disclosure provides a method for producing a reaction gas containing (E)-1,2-difluoroethylene (R-1132(E)), (1) the method comprising a step of subjecting a starting material gas containing one or more fluoromethanes selected from the group consisting of chlorodifluoromethane (R-22), difluoromethane (R-32), and fluoromethane (R-41) to a reaction that involves thermal decomposition to obtain the reaction gas, and (2) the starting material gas having a water vapor content of 1 volume % or less.
Abstract: The invention relates to a new process for the manufacture of fluoroaryl compounds and derivatives thereof, in particular of fluorobenzenes and derivatives thereof, and especially wherein said manufacture relates to an environmentally friendly production of the said compounds. Thus, the present invention overcomes the disadvantages of the prior art processes, and in a surprisingly simple and beneficial manner, and as compared to the prior art processes, in particular, the invention provides a more efficient and energy saving processes, and also provides a more environmentally friendly process, for the manufacture of nuclear fluorinated aromatics, and preferably of nuclear fluorinated fluorobenzenes. Accordingly, in one aspect of the invention, an industrially beneficial process for preparing fluorobenzenes from halobenzene precursors using HF to form hydrogen halide is provided by the present invention.
Abstract: A process for producing a reaction mixture comprising a plurality of C3 chlorinated alkane isomers comprising chlorinating a C3 chlorinated alkane starting material in a chlorination zone to produce the plurality of C3 chlorinated alkane isomers, the plurality of C3 chlorinated alkane isomers each having at least one more chlorine atom than the C3 chlorinated alkane starting material, wherein the concentration of the C3 chlorinated alkane starting material is controlled such that conversion of the C3 chlorinated alkane starting material to the plurality of C3 chlorinated alkane isomers, represented by the molar ratio of the C3 chlorinated alkane starting material:C3 chlorinated alkane isomers in the reaction mixture present in the chlorination zone, does not exceed about 40:60.
Type:
Grant
Filed:
November 20, 2020
Date of Patent:
October 11, 2022
Assignee:
SPOLCHEMIE ZEBRA, A.S.
Inventors:
Zdenek Ondrus, Pavel Kubicek, Petr Sladek
Abstract: The present invention relates to a process for modifying the fluorine distribution in a hydrocarbon compound, comprising a step of making contact between said hydrocarbon compound and a catalytic composition comprising a chromium-based catalyst, said process being performed in a reactor made of a material comprising a base layer made of a material M1 and an inner layer made of a material M2, said base layer and said inner layer being laid against each other by bonding.
Abstract: A method of producing trifluoroiodomethane (CF3I) includes providing a feedstock comprising trifluoroacetyl iodide (TFAI), passing the feedstock through at least one column charged with carbonaceous materials to remove hydrogen iodide (HI), hydrogen triiodide (HI3) and iodine (I2) from the feedstock, and providing the feedstock to a reactor to produce a trifluoroiodomethane product stream. Another method of producing trifluoroiodomethane (CF3I) includes providing a feedstock comprising trifluoroacetyl iodide (TFAI) to a reactor to produce a trifluoroiodomethane product stream, and passing the trifluoroiodomethane product stream from the reactor through at least one column charged with carbonaceous materials to remove hydrogen iodide (HI), hydrogen triiodide (HI3) and iodine (I2) from the trifluoroiodomethane product stream.