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WO/2012/113778A1 |
Process for the hydrohalogenation of an alkyne and for manufacturing vinyl chloride by hydrochlorination of acetylene in the presence of a catalytic system comprising at least one ionic liquid comprising at least one non-protonated catio...
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WO/2012/110371A1 |
Ethylene-containing composition comprising (a) between 75 and 99.9 % by volume of hydrocarbon compounds containing 2 carbon atoms; and (b) a quantity of ethylene such that the ratio of this quantity to the total quantity of hydrocarbon c...
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WO/2012/111468A1 |
Provided are a novel palladium catalyst which is very safe and recyclable, and a method for producing a novel bisaryl compound using the palladium catalyst. When an aromatic halide and an aromatic boronic acid are reacted in the presence...
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WO/2012/103799A1 |
Disclosed are (2R,3R)-3-(3-substituted phenyl)-2-methyl-n-pentanamide compounds shown as formula I, their preparation methods thereof, wherein the substituents are described in the description, and their uses in the manufacture of Tapent...
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WO/2012/105700A1 |
The purpose of the present invention is to provide a method for purifying R-1234yf, by which it is possible to efficiently remove even impurities such as R-1243zf, which is difficult to separate by distillation purification, from a gas g...
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WO/2012/099776A1 |
Disclosed is a process for the manufacture of 1234yf from 1,1,2,3-tetrachloro-propene, abbreviated herein as "TCP," in three integrated steps: (a) the R-1 hydrofluorination of TCP to form 1233xf in the vapor phase; (b) the R-2 hydrofluor...
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WO/2012/098746A1 |
Disclosed are: a halogenation catalyst which contains a porous manganese oxide that contains manganese oxide microcrystals produced by microorganisms; and a method for producing a halogen compound, which is characterized by having a halo...
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WO/2012/098421A1 |
The present invention relates to a fluorination process, comprising: - an activation stage comprising contacting a fluorination catalyst with an oxidizing agent-containing gas flow for at least one hour; and - at least one reaction stage...
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WO/2012/098420A1 |
The present invention provides a process of catalytic fluorination in gas phase of product 1,1,1,2,3- pentachloropropane or/and 1, 1, 2, 2, 3-pentachloropropane into product 2, 3, 3, 3-tetrafluoropropene in presence of a catalyst.
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WO/2012/098422A1 |
The invention relates to a fluorination process, alternately comprising reaction stages and regeneration stages, wherein the reaction stages comprise reacting a chlorinated compound with hydrogen fluoride in gas phase in the presence of ...
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WO/2012/094288A2 |
The present invention discloses high purity E-1-chloro-3,3,3-trifluoropropene (1233zd(E)) and methods to produce the same. More specifically, the present invention discloses the methods of making 1233zd(E) essentially free of toxic impur...
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WO/2012/084642A1 |
Catalytic system consisting essentially of at least one ionic liquid comprising at least one non-protonated cation and at least one anion selected from chloride and methanesulfonate and its use in the hydrochlorination reaction of acetyl...
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WO/2012/084644A1 |
Catalytic system comprising a mixture of a) at least one compound of at least one metal one of which being chosen from palladium, platinum and osmium; and b) at least one ionic liquid comprising at least one non-protonated cation and at ...
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WO/2012/086259A1 |
A halogenation catalyst that contains a transition metal oxide composite (a) represented by general formula (1) : AxMO(2+0.5x) [wherein A is an alkali metal, M is at least one transition metal element selected from the group consisting o...
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WO/2012/082551A2 |
Described herein is a composition according to formula I or its precursor, formula II: CX1X3=CX2-(R1)p-CZ1 Z2-SO2M (I) wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3 and CH3, and wherein at least one of X1, X...
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WO/2012/081482A1 |
The present invention relates to a method for producing a C3 chlorinated hydrocarbon, the method being characterized in comprising a conversion step of reacting the chloropropane represented by Formula (1) with chlorine in the presence o...
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WO/2012/079011A1 |
A process for separating cis-1,1,1,4,4,4-hexafluoro-2-butene from a first mixture comprising cis-1,1,1,4,4,4-hexafluoro-2-butene and at least one chlorofluoroolefin is disclosed. The process involves the steps of contacting said first mi...
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WO/2012/077561A1 |
This method for producing purified monofluoromethane includes a treatment step of bringing crude monofluoromethane that contains at least trifluoromethane into contact with a trifluoromethane-treating fluid that contains both an amide re...
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WO/2012/074669A1 |
Disclosed is a process for the dehydrochlorination of 1,1,1,3-tetrachloropropane comprising contacting 1,1,1,3,tetrachloropropane in the vapor phase in a reaction zone with a catalyst comprising iron, to produce a product mixture compris...
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WO/2012/071292A2 |
A process comprising feeding bromine into a first reactor; feeding low molecular weight alkanes into the first reactor; and withdrawing alkyl bromides from the first reactor wherein the bromine and low molecular weight alkanes are fed th...
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WO/2012/068740A1 |
Chlorinated aromatic compounds are prepared by ultrasonicating a mixture of ICl and an aromatic compound.
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WO/2012/067872A1 |
A process is disclosed for producing addition compound CHCI2CHXCCIYR, wherein X and Y are each independently selected from the group consisting of H, F, CI and Br, and R = H or a perhalogenated alkyl group. The process involves a liquid ...
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WO/2012/067980A2 |
The instant invention relates to a process and method for manufacturing 2,3,3,3 - tetrafluoropropene by dehydrohalogenating a reactant stream of 2-chloro-1,1,1,2-tetrafluoropropane that is substantially free from impurities, particularly...
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WO/2012/066375A1 |
Process of catalytic fluorination in liquid phase of product 1, 1, 1, 2, 3-pentachloropropane or/and 1,1,2,2,3- pentachloropropane into product 2-chloro-3, 3, 3-trifluoropropene in presence of a catalyst.
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WO/2012/067870A1 |
A process is disclosed for producing addition compound CCI3CHXCCIYR, wherein X and Y are each independently selected from the group consisting of H, F, CI and Br, and R is a perhalogenated alkyl group, provided that CHX=CYR is not CF3CH=...
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WO/2012/067864A1 |
A vapor phase process is disclosed for making internal fluorobutenes. The process involves contacting a halobutane starting material selected from the group consisting of CF2HCHCICH2CCI2H, CF2HCHCICH2CCI3, CF3CHCICH2CCI2H, CF3CHCICH2CCI3...
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WO/2012/067865A1 |
A process is disclosed for producing addition compound CF3CCI2CH2CCIXR, wherein X = H, F, CI or Br, and R = H or a perhalogenated alkyl group, provided that X and R are not both H. The process involves a liquid phase reaction of 1,1,1 -t...
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WO/2012/063566A1 |
This process for producing trans-1,3,3,3-tetrafluoropropene includes: a reaction step of reacting 1-chloro-3,3,3-trifluoropropene with hydrogen fluoride to form trans-1,3,3,3-teterafluoropropene and thus obtain a reaction product (A) whi...
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WO/2012/061022A2 |
The disclosure describes a process for dehalogenation of chlorofluorocompounds. The process comprises contacting a saturated chlorofluorocompound with hydrogen in the presence of a catalyst at a temperature sufficient to remove chlorine ...
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WO/2012/056263A1 |
Process of catalytic fluorination in liquid phase of product 2-chloro-3, 3, 3-trifluoropropene into product 2- chloro-1, 1, 1, 2-tetrafluoropropane, with an ionic liquid based catalyst. Process for manufacturing 2, 3, 3, 3-tetrafluoropro...
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WO/2012/057367A1 |
This invention provides a process for producing 2,3,3,3-tetrafluoropropene, the process comprising: (1) a first reaction step of reacting hydrogen fluoride with at least one chlorine-containing compound selected from the group consisting...
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WO/2012/052797A1 |
The present invention provides a process for preparing 2, 3, 3, 3-tetrafluoropropene, comprising the following steps: (a) catalytic reaction of 1, 1, 1, 2, 3-pentachloropropane and/or 1, 1, 2, 2, 3-pentachloropropane with HF into product...
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WO/2012/053656A1 |
The present invention pertains to a continuous batch reaction method characterized in that: an addition reaction for obtaining polychloropropane by adding carbon tetrachloride to chlorine-substituted or non-substituted ethylene in a liqu...
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WO/2012/052798A1 |
The present invention provides a process of catalytic fluorination in gas phase of product 1,1,1,2,3- pentachloropropane or/and 1, 1, 2, 2, 3-pentachloropropane into product 2-chloro-3, 3, 3-trifluoropropene in presence of a catalyst and...
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WO/2012/051057A2 |
The instant invention relates, at least in part, to a method increasing the cost efficiency for dehydrohalogenation production of a fluorinated olefin by recovering and recycling spent dehydrohalogenation agent. In one aspect, the presen...
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WO/2012/035851A1 |
Provided are: a method for dehydrating a hydrofluorocarbon or a hydrochlorofluorocarbon that can use a simple device; and a method for continuously producing 1,3,3,3-tetrafluoropropane using said dehydrating method. The method for dehydr...
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WO/2012/033088A1 |
This method is characterized by bringing a fluorine-containing compound that is contaminated with moisture into contact with an aqueous solution that contains a metal salt. The method enables efficient continuous removal of moisture from...
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WO/2012/030781A2 |
Disclosed is an integrated manufacturing process to co-produce (E)1-chloro-3,3,3-trifluoropropene, (E)1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoro-propane starting from a single chlorinated hydrocarbon feed stock, 240fa. The pro...
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WO/2012/030613A2 |
The present invention pertains to azeotropic and azeotrope-like compositions of the following three blends: 1. Trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)) and hydrogen fluoride (HF); 2...
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WO/2012/030797A2 |
Disclosed is process for the production of (E) 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(E)) by conducting a continuous reaction without the use of a catalyst. Also disclosed is an integrated system for producing hydrofluoro olefins, ...
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WO/2012/025489A1 |
The invention relates to a process for the preparation of formula (I) which process comprises pyrolysing a compound of formula (II) wherein X is chloro or bromo, and to compounds which may be used as intermediates for the manufacture of ...
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WO/2012/011516A1 |
Disclosed is a method that is for producing 1-bromo-1-[3,5-bis(trifluoromethyl)phenyl] ethane having high optical purity, and that is a method containing a step for brominating optically active 1-[3,5-bis(trifluoromethyl)phenyl] ethanol ...
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WO/2012/012113A1 |
A process is described of pyrolyzing at least one perfluorinated hydrocarbon, or a material containing at least one perfluorinated hydrocarbon, in the presence of hydrogen, to yield a reaction mixture containing difluorocarbene.
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WO/2012/011609A1 |
This invention provides a method for purifying HFO-1234yf by removing HF from a mixture of HFO-1234yf and HF under simple and economically advantageous conditions. According to the present invention, this is a purification method for 2,3...
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WO/2012/009114A2 |
The invention provides an improved process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) by reacting 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) with hydrogen fluoride, in the presence of a fluorination catalyst, whe...
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WO/2012/007310A1 |
A process for the fluorination of haloolefins with elemental fluorine in the presence of anhydrous HF proceeds with high yield and selectivity in the product deriving from the addition of fluorine to the carbon-carbon double bond.
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WO/2012/006295A1 |
Disclosed is a process for the manufacture of 2,3,3,3-tetrafluoropropene comprising: (a) contacting 1,1,1,2,tetrafluoro-2-chloropropane with a catalyst comprised of chromium (III) oxide, and at least 1% of an alkali metal, to produce a p...
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WO/2012/000853A1 |
A catalytic process for the synthesis of trifluoroethylene from chlorotrifluoroethylene which comprises contacting chlorotrifluoroethylene with hydrogen in the presence of a catalyst consisting of palladium or platinum supported on extru...
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WO/2011/162339A1 |
Provided is a process by which 2,3,3,3-tetrafluoropropene can be produced at a high transformation rate and stably for a long time. The process for producing 2,3,3,3-tetrafluoropropene involves causing 1,1-dichloro-2,3,3,3-tetrafluoropro...
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WO/2011/162337A1 |
Disclosed is a method for manufacturing high-purity 2,3,3,3-tetrafluoropropene, whereby generation of the by-product 3,3,3-trifluoropropene is inhibited. In said method, the following are introduced into a catalyst layer, which is filled...
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