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WO/2018/123911A1 |
Provided is a production method capable of efficiently producing a chlorine-containing propene, such as HCFO-1224yd. The production method for a chlorine-containing propene according to the present invention involves reacting a compound ...
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WO/2018/114914A1 |
The present invention relates to a method for producing (functionalized) biaryls by employing a visible-light-driven, gold-catalyzed C-C cross-coupling reaction system involving boron- and silicon-containing aryl compounds and aryldiazon...
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WO/2018/118625A1 |
Aspects of the invention relate to systems and processes for recovering R1233zd in purified form from compositions additionally comprising hydrogen fluoride. In accordance with one aspect, the invention provides a process that includes s...
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WO/2018/114777A1 |
The present invention relates to a process for the preparation of a nitrogen containing biopolymer-based catalyst by pyrolysis of a metal complex with a nitrogen-containing biopolymer and to the nitrogen containing biopolymer-based catal...
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WO/2018/109247A1 |
The invention relates to a method for producing vinyl chlorides which can comprise at least the following steps: a first step in which at least one alkyne selected from acetylene, an acetylene derivative and combinations thereof, and hyd...
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WO/2018/100586A1 |
The present invention provides an improved process for preparation of 2,3,3,3- tetrafluoropropene, wherein recyclization of the reaction by-products result in equilibrium between feed and outlet composition.
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WO/2018/102250A1 |
The present disclosure provides separation processes that use azeotropic or azeotropic-like compositions of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) that allow for improved recovery rates of 1-chloro-3,3,3-trifluoropropene during or...
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WO/2018/101323A1 |
Provided is a method for producing 1-chloro-2,3,3-trifluoropropene, in which method it is possible to efficiently remove 1-chloro-3,3-difluoro-1-propyne and/or an oxide from a composition including 1-chloro-2,3,3-trifluoropropene. A meth...
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WO/2018/097300A1 |
A method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene is provided in which (E)-1-chloro-2,3,3-trifluoro-1-propene and water can be efficiently removed and (Z)-1-chloro-2,3,3-trifluoro-1-propene having a higher purity is obtained ...
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WO/2018/092780A1 |
Provided is a method for producing 1-chloro-2, 3, 3-trifluoropropene, which efficiently produces 1-chloro-2, 3, 3-trifluoropropene by efficiently removing one or more compounds selected from among water, 1-chloro-3, 3-difluoro-1-propyne,...
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WO/2018/090507A1 |
Provided is an efficient method for separating 2-chloro-1,1,1,2-tetrafluoropropane and 2-chloro-3,3,3-trifluoropropene, having a green and safe operation process. The method uses a halogenated hydrocarbon, an alcohol, an ether, a nitrile...
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WO/2018/089362A1 |
The production of 1, 1, 2-trifluoro-2-(trifluoromethyl)cyclobutane (TFMCB). More specifically, the present invention relates to a process for making 1, 1, 2-trifluoro-2-(trifluoromethyl)cyclobutane via a continuous catalytic reaction fro...
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WO/2018/084089A1 |
A useful evaluation method which enables the higly efficient production of partially fluorinated alumina having a good catalytic activity is discoverd, and an organic compound isomerization method whereby it becomes possible to improve a...
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WO/2018/085512A2 |
The invention relates to a process for reducing the concentration of a fluorinated alkyne impurity, such as 3,3,3-trifluoropropyne (TFPY), in 2,3,3,3-tetrafluoropropene (HFO-1234yf) which comprises contacting such a mixture with a causti...
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WO/2018/079727A1 |
Provided is a method for efficiently producing 2,3,3,3,-tetrafluoropropene from easily obtainable raw materials by means of a simple reaction operation using a safe and economical but highly active catalyst. A production method for 2,3,3...
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WO/2018/079726A1 |
Provided is a production method for tetrafluoropropenes. By making use of easily obtainable materials, the production method makes it possible to produce fluorine-containing propenes such as 1214ya and 1224yd in an industrially advantage...
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WO/2018/069609A1 |
The present invention relates to azeotropic and quasi-azeotropic compositions comprising 1-chloro-2,2-difluoroethane and 1,1-dichloroethylene. The present invention also relates to a method for producing compositions comprising 1-chloro-...
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WO/2018/066146A1 |
The present invention relates to a method for producing a fluorinated compound represented by formula (2): R2-F (where R2 represents a group obtained by removing a hydroxy group from a hydroxy compound having six or more carbon atoms), t...
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WO/2018/066371A1 |
The purpose of the present invention is to provide a process for producing an E-olefin compound, the process being capable of using a wide range of Z-olefin compounds as substrates. The process, which is for producing an isomer, comprise...
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WO/2018/060576A1 |
The invention relates to a method for producing 1-chloro-2,2-difluoroethane from 1,1,2-trichloroethane, comprising at least one step of separating 1-chloro-2,2-difluoroethane from the organic phase produced during the method; said step c...
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WO/2018/061677A1 |
Provided are: an industrially useful substituted bis(trifluorovinyl)benzene compound having excellent thermal stability; and a method for producing the same. A substituted bis(trifluorovinyl)benzene compound represented by general formul...
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WO/2018/055266A1 |
The invention relates to a method for the separation of 2-chloro-1,1,1,2- tetrafluoropropane and 2-chloro-3,3,3-trifluoropropene, including a step in which a mixture comprising 2-chloro-3,3,3-trifluoropropene and 2-chloro-1,1,1,2- tetraf...
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WO/2018/055265A1 |
The present invention relates to a method for the production of 2-chloro-1,1,1-trifluoropropane (HCFC-253db) by means of the hydrogenation of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf).
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WO/2018/054877A1 |
The invention relates to a method for producing bistolanes which are substituted in the 1,1 '-position with halogen and to products from said compounds. The C-C-triple bonds of the bistolanes are produced by elimination reactions.
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WO/2018/049820A1 |
A use of a catalyst supporting a quaternary phosphonium salt and a metal chloride for acetylene hydrochlorination. Under conditions of a reaction temperature of 120-200°C, 0.1 MPa, a feed flow molar ratio of hydrogen chloride to acetyle...
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WO/2018/048783A1 |
The present invention provides a process for the dehydrochlorination of a chlorinated alkane to produce a chlorinated alkene. In particular, the processes comprise contacting a chlorinated alkane, a base, and a phase transfer catalyst.
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WO/2018/046927A1 |
A catalyst comprising one or more metal oxides, wherein the catalyst has a total pore volume equal to or greater than 0.3 cm3/g and a mean pore diameter greater than or equal to 90 Å, where in the pore volume is measured using N2 adsorp...
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WO/2018/046928A1 |
A catalyst comprising chromia and at least one additional metal or compound thereof and wherein the catalyst has a total pore volume of greater than 0.3 cm3/g and the mean pore diameter is greater than or equal to 90 Å, wherein the tota...
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WO/2018/047972A1 |
Provided is a production method in which either of 1233yd (E) or 1233yd (Z) can be selectively reacted in an industrially advantageous and efficient manner. The 1233yd production method comprises, in a raw material composition containing...
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WO/2018/042114A1 |
The present invention relates to a process for modifying the distribution of fluorine in a hydrocarbon compound in the presence of a catalyst, characterised by the use as a catalyst of a solid composition comprising at least one componen...
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WO/2018/044787A1 |
A method for separating halocarbons and, in particular, a method for separating (Z)- 1 -chloro-3,3,3-trifluoropropene (HCFO-1233zd(Z), or simply 1233zd(Z)) and 1 -chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa, or simply 244fa) via distil...
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WO/2018/039794A1 |
The present application provides a hydrodefluorination process for the preparation of hydrofluoroalkenes by catalyzed substitution of one or more F atoms of a C2-C30 fluoroalkene, or a C2-C10 fluoroalkene, with one or more H atoms using ...
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WO/2018/041278A1 |
A chlorinolysis process for producing carbon tetrachloride comprising providing a chlorination zone at an operating temperature of from 400 to 600°C with i) chlorine, ii) a C1 chlorinated compound comprising 1 to 3 chlorine atoms and ii...
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WO/2018/037999A1 |
The purpose of the present invention is to provide an industrially convenient and inexpensive method for efficiently removing butenes from crude monofluorobutane that includes butenes without substantially causing the monofluorobutane to...
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WO/2018/038460A1 |
The present invention relates to a method for producing vinylidene chloride which can improve the reactivity of a dehydrochlorination reaction of 1,1,2-trichloroethane without the addition of a phase-transfer catalyst compared to the con...
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WO/2018/036077A1 |
Disclosed is a method for the coproduction of 1-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. A gas mixture of hydrogen fluoride and 1,1,1,3,3-pentachloropropane and 1,1,2,3-tetrachloropropene ...
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WO/2018/036076A1 |
The invention discloses a preparation method for Z-HFO-1336, comprising the following steps: (a) mixing a potassium hydroxide aqueous solution, a catalyst, and 2-chloro-1,1,1,4,4,4-hexafluoro-2-butene for reaction, the mass ratio of pota...
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WO/2018/029428A1 |
The present invention relates to compositions comprising 1,1,1,2,2-pentafluoropropane and trans-1,3,3,3-tetrafluoropropene, which are suitable for use in numerous fields.
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WO/2018/030408A1 |
Provided is an efficient method for producing 1-chloro-2, 3, 3, 3-tetrafluoropropene by reducing 1,1-dichloro-2, 3, 3, 3-tetrafluoropropene, the method generating fewer by-products such as 1, 1, 1-trifluoropropane and 3, 3, 3-trifluoropr...
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WO/1997/010193A9 |
Compounds of ethynyl aromatic compounds having structure (I), wherein each Ar is an aromatic group of inertly-substituted aromatic group; each R is independently hydrogen, an alkyl, aryl or inertly-substituted alkyl or aryl group; L is a...
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WO/2018/025914A1 |
The present invention is a reaction product preparation method for obtaining a reaction product from a starting raw material through a predetermined organic synthesis reaction, comprising: (a) the step of setting as a target wavelength t...
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WO/2018/022491A1 |
A process of the type for producing 1,1,1,2,3-pentachloropropane by introducing 1,1,1,3-tetrachloropropane, chlorine, and Lewis acid catalyst, optionally in the presence of carbon tetrachloride, the improvement comprising introducing the...
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WO/2018/022500A1 |
Disclosed herein is a process comprising contacting a haloalkane reactant with an olefin in the presence of a catalyst system that consists of metallic iron and a phosphine to produce a haloalkane insertion product, wherein said haloalka...
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WO/2018/019436A1 |
The present invention relates to a process for preparing a partially hydrogenated polyacene, and a novel intermediate used in such process; also the present invention relates to a process for preparing the corresponding conjugated polyac...
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WO/2018/022488A1 |
A process of the type for producing chlorinated propanes by reacting carbon tetrachloride with ethylene within a tank reactor that includes a liquid reaction mixture and a headspace above the reaction mixture wherein ethylene gas diffuse...
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WO/2018/012511A1 |
The present invention provides a method for producing a 1-chloro-1,2-difluoroethylene at low cost and with high efficiency. More specifically, the present invention provides a method for producing a 1-chloro-1,2-difluoroethylene, said me...
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WO/2018/009459A1 |
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...
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WO/2018/000307A1 |
Provided is a method for synthesizing 1,1,2,3-tetrachloropropene with a low reaction energy consumption, a relatively high synthetic yield and a relatively low raw material cost. The method comprises the following steps: adding a catalys...
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WO/2017/223338A1 |
A process for the production of a chloroalkene that includes contacting a liquid phase chloroalkane with a solid catalyst, a catalyst deposited on a solid substrate, or combinations thereof, thereby causing the dehydrochlorination of the...
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WO/2017/216272A1 |
A method for providing polyvinyl chloride (PVC) comprises the following steps: a) providing electricity and an alkali metal chloride solution, preferably Li, K and/or Na, in a chlor-alkali electrolysis cell (17) and obtaining Cl2 and an ...
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