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WO/2015/072460A1 |
Provided are: a method for separating 2,3,3,3-tetrafluoropropene (HFO-1234yf) and 1,1,1,2-tetrafluoroethane (HFC-134a) from a mixture containing HFO-1234yf and HFC-134a with high efficiency; and a method for producing HFO-1234yf with hig...
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WO/2015/059293A1 |
A method of forming homoallylic compounds 2 from cyclopropylvinyl precursors 1 in the presence of a Bronsted acid HQ.
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WO/2015/061067A1 |
The preparation of chlorinated hydrocarbons by reacting a chlorinated alkane substrate, such as 1,1,1,3 tetrachloropropane, with a source of chlorine, such as chlorine (Cl2), in the presence of a polyvalent bismuth compound, such as trip...
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WO/2015/059500A1 |
The present invention relates to a process for isomerising a C3-7 (hydro)(halo)fluoroalkene comprising (a) providing a reactor feed stream comprising the C3-7 (hydro)(halo)fluoroalkene; and (b) contacting the C3-7 (hydro)(halo)fluoroalke...
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WO/2015/057476A1 |
This invention relates to methods and systems for producing hydrochlorofluoro-olefins, particularly 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) by the fluorination of a starting material selected from the group consisting of 1,1,1,3,3-...
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WO/2015/055927A1 |
The invention relates to a method for producing a fluorinated compound, comprising: the provision of a gaseous flow comprising hydrofluoric acid; the provision of at least one liquid flow of a chlorinated compound and the vapourisation t...
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WO/2015/053339A1 |
Provided is a method for efficiently purifying 2,3,3,3-tetrafluoropropene (HFO-1234yf) from a mixture that includes HFO-1234yf and a fluorine compound, the boiling point of which is near that of HFO-1234yf. This method for purifying HF...
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WO/2015/050953A1 |
Disclosed is a process for the manufacture of hydrofluoroolefins of the structure CF3CH=CHY, wherein Y can be Cl or F, comprising reacting at least one fluoropropane reactant of the structure CF3CH2CYXH, wherein X and Y can independently...
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WO/2015/050236A1 |
The purpose of the present invention is to make possible synthesis of various fluorine-containing compounds having organic groups at both terminals of a tetrafluoroethylene structure (-CF2-CF2-). The present invention provides fluorine-c...
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WO/2015/045927A1 |
Provided is a method for separating HFP from a fluorinated compound having a boiling point that is close to the boiling point of HFP with high efficiency. A method for separating HFP from a fluorinated compound having a boiling point fal...
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WO/2015/044558A1 |
The present invention concerns a method of producing at least one compound of formula (II): CF3-CX(Z)n-CHX(Z)n in which X represents, independently, a hydrogen, fluorine or chlorine atom, Z represents, independently, a hydrogen or fluori...
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WO/2015/035937A1 |
The present application relates to a method for photochlorination, and specifically to photochlorination produced by a reaction of arene compounds with gaseous chlorine so as to prepare a trichloromethyl-group-substituted benzene, and to...
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WO/2015/033985A1 |
The present invention addresses the problem of providing a production method which enables 1,1-dibromo-1-fluoroethane to be produced in a simple and sustained manner. The present invention provides a method for producing 1,1-dibromo-1-fl...
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WO/2015/033927A1 |
A method for producing at least one compound selected from the group consisting of a compound represented by formula (10), a compound represented by formula (11), a compound represented by formula (12), and a compound represented by form...
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WO/2015/018855A1 |
The present invention relates to pentafluoroethylating compositions, processes for obtaining them, and their use in pentafluoroethylation reactions.
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WO/2015/020155A1 |
The purpose of the present invention is to provide a method for manufacturing methyl fluoride useful as a dry etching gas or the like, as a method more suitable for commercial production. As a solution thereof, provided is a method for m...
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WO/2015/020807A1 |
The present invention provides routes for making 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) from commercially available raw materials. More specifically, this invention provides routes for HCFO-1233zd from inexpensive and commercially...
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WO/2015/020808A1 |
The present invention provides routes for making 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) from commercially available raw materials. More specifically, this invention provides several routes for forming HCFO-1233zd from 3,3,3-triflu...
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WO/2015/014784A1 |
A process for the dehydrochlorination of a chlorinated hydrocarbon comprising at least one chlorine atom and at least one hydrogen atom on vicinal carbon atoms to yield the corresponding unsaturated hydrocarbon, said process comprising c...
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WO/2015/014783A1 |
Process for the dehydrohalogenation of a halogenated organic non polymeric compound using a catalyst comprising an ionic liquid having the formula: [Cat+][X-] wherein: [Cat+] represents one or more organic cationic species, and [X-] repr...
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WO/2015/011718A1 |
The present invention relates to a reactive distillation process for the preparation of 1, 1, 1, 2, 3, 3, 3-heptafluoro-2-bromoropane.
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WO/2015/008819A1 |
The purpose of the present invention is to provide a heterogeneous catalyst that exhibits high activity and high selectivity, specifically a catalyst suitable for oxychlorination for manufacturing 1,2-dichloroethane from ethylene, and a ...
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WO/2015/007059A1 |
The present invention relates to a loop-route production method and system for polyvinyl chloride, and belongs to the intersecting fields of coal chemicals, polymer materials and chemical machinery. Limestone and carbon materials such as...
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WO/2015/008781A1 |
The present invention is a method for purifying 2-fluorobutane to obtain highly purified 2-fluorobutane through a process comprising a step for: bringing crude 2-fluorobutane containing 5-50 wt% of butenes into contact, in an aprotic pol...
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WO/2015/006278A1 |
Described herein are perfiuoroalkylated zinc compounds having the structure of Formula (I) or Formula (II), which can be used to · perfluoroalkylate organic, inorganic and organometallic substrates. Methods of making and using these com...
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WO/2015/005322A1 |
The present invention provides a method for producing 2,3,3,3-tetrafluoropropene or 2-chloro-1,1,1,2-tetrafluoropropane that is a precursor of 2,3,3,3-tetrafluoropropene by a reaction comprising two or three steps using at least one chlo...
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WO/2015/006258A1 |
A method of separating a composition containing at least one organofluorine compound from at least one inorganic compound by contacts the composition with a semipermeable membrane. Other methods separate a organofluorine compound from a ...
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WO/2014/208451A1 |
Provided is an economically advantageous method for efficiently and at a high purity producing HFO-1123, which is industrially useful, by means of a synthesis reaction that uses easily acquired starting materials, does not use a catalyst...
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WO/2014/208452A1 |
Provided is an economically advantageous method for efficiently and at a high purity producing HFO-1123, which is industrially useful, by means of a synthesis reaction that uses easily acquired starting materials, does not use a catalyst...
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WO/2014/202589A1 |
The present invention relates to a process for manufacturing 4-propargylated amino- benzoxazinones of formula (I), comprising the following steps: step a) preparing propargyl chloride by reacting propargyl alcohol with thionyl chloride o...
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WO/2014/203842A1 |
The present invention provides: high-purity 1-fluorobutane characterized by having a purity of 99.9% by vol or more and containing butene compounds in the total amount of 1000 ppm by volume or less; the use of the high-purity 1-fluorobut...
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WO/2014/191457A1 |
The present invention relates generally to methods of synthesis of diterpene heterocylic compounds. More particularly, the present invention relates to efficient methods of synthesis of ingenol (Formula (21), CAS 30220-46-3), from a comp...
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WO/2014/190126A2 |
This disclosure relates to processes of making 1,3,3,3-tetrafluoropropene. The processes involve dehydrofluorinating 1,1,1,3,3-pentafluoropropane in vapor phase in the presence of a catalyst comprising a metal compound supported on alumi...
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WO/2014/189674A1 |
The present invention is related to making hydrofluorocarbons (HCFCs), more specifically, 3,3,3-trifluoropropyne (TFP), from trans-1-chloro-3,3,3-trifluoropropene (trans-1233zd) by contacting the trans-1233zd with a base. Preferably, the...
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WO/2014/185321A1 |
[Problem] To provide a purification method for dichloromethane that is capable of reducing stabilizers contained in dichloromethane, is easy to put into operation, and can be industrially implemented. [Solution] This purification method ...
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WO/2014/175403A1 |
A process for producing (E)-1-chloro-3,3,3-trifluoropropene (R-1233zd (E-isomer)) is provided by which high-purity R-1233zd (E-isomer) is highly selectively obtained in a simple manner. The R-1233zd (E-isomer) production process comprise...
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WO/2014/174281A1 |
A process for treating a composition comprising one or more desired (hydro)halocarbons and one or more undesired halogenated hydrocarbon containing impurities so as to reduce the concentration of at least one undesired halogenated hydroc...
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WO/2014/175022A1 |
The invention makes it possible to vastly improve the storage stability of α,α-difluoro aromatic compounds and to enable long-term storage at high purity as an industrial raw material, by adding an organic or inorganic basic compound t...
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WO/2014/174918A1 |
The present invention provides a method for producing a fluorine-containing olefin by reacting a chlorine-containing compound represented by a specific general formula and anhydrous hydrogen fluoride in the presence of a fluorination cat...
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WO/2014/164368A1 |
Processes for the production of chlorinated alkanes are provided. The present processes comprise dehydrochlorinating one or more trichloroalkanes having from 3-6 carbon atoms and vicinal chlorine atoms, followed by a series of sequential...
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WO/2014/164611A1 |
The present process relates to a method for minimizing the formation of 1,1,1,2,2-pentafluoropropane in a liquid phase reaction of 2-chloro-3,3,3-trifluoropropene and HF in the presence of a hydrofluorination catalyst comprising: (a) rea...
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WO/2014/165094A1 |
The invention relates to a process to produce 244bb from 1233xf in multiple reaction zones whereby the 1233xf starting material is at least 95% converted to 244bb and by-product such as 245cb forms in amounts less than about 2%.
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WO/2014/164001A1 |
This invention relates to a method to improve 1,1,3-trichloropropene (HCC-1240za) and/or 3,3,3-trichloropropene (HCC-1240zf) selectivity in the dehydro-chlorination of 1,1,1,3-tetrachloropropane (HCC-250fb). In normal practice, FeCl3 is ...
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WO/2014/159014A1 |
In certain aspects, the present invention relates to methods for increasing the cost efficiency and safety of the hydrogenation of a fluorinated olefin by controlling the reaction conditions and parameters. In further aspects, the hydrog...
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WO/2014/159818A1 |
The present invention relates to a provides a catalyst comprising (a) a solid support comprising an alkaline earth metal oxide, fluoride, or oxyfluoride, and (b) at least one elemental metal disposed on or within said support, preferably...
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WO/2014/158663A1 |
Hydrofluoroolefins and hydrochlorofluoroolefins contaminated with acid and/or iron compounds are purified and stabilized by contacting the haloolefin with a solid adsorbent such as alumina and then combining the purified haloolefin with ...
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WO/2014/158785A1 |
This invention relates to a method to improve 1,1, 3 -trichloropropene (HCC- 1240za) and/or 3,3,3-trichloropropene (HCC-1240zf) selectivity in the dehydrochlormation of 1,1,1,3-tetrachloropropane (HCC-250fb). In normal practice, FeCl3 is...
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WO/2014/159009A1 |
This invention relates to a process for the suppression of 3,3,3-trifluoropropyne during the manufacture of fluorocarbons, fluoroolefins, hydrochlorofluoroolefins. More particularly, this invention is directed to a process to suppress th...
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WO/2014/151270A1 |
The invention relates to a process to produce HCFC-244bb from HCFO-1233xf wherein, in one embodiment, one or more co-feed species having a normal boiling point of between about -80°C to about 0°C, such as HFC-245cb, is added to the rea...
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WO/2014/150889A1 |
The present process relates to a process comprising: contacting a mixture comprising 2,3,3,3-tetrafluoropropene and at least one halogenated ethylene impurity with at least one adsorbent or at least one chemisorption catalyst to reduce t...
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