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WO/2011/077191A1 |
The invention is directed to a process for preparing 2,2,2,3-tetrafluoropropene (1234yf), comprising : (i) contacting 1,1, 2, 3-tetrachloropropene (1230 xa) with hydrogen fluoride HF in gas phase in the presence of a fluorination catalys...
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WO/2011/068649A2 |
Provided is a process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of hydrofluorinating 2-chloro-3,3,3-trifluoropropene in the presence of a catalyst selected from the group consisting of SbCl3, SbCl5, SbF5, T...
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WO/2011/067231A1 |
Process for the manufacture of at least one ethylene derivative compound starting from a low value residual gas according to which a) the low value residual gas, optionally containing fraction E1 recycled from step d), is subjected to a ...
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WO/2011/067237A2 |
Process for the manufacture of at least one ethylene derivative compound starting a hydrocarbon source according to which a) the hydrocarbon source, optionally containing fraction E1 recycled from step d), is subjected to a simplified cr...
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WO/2011/065574A1 |
The present invention provides a process for preparing 1,1,2,3-tetrachloropropene, including heating 1,1,1,2,3-pentachloropropane in a gas phase in the absence of a catalyst to carry out a dehydrochlorination reaction. According to the p...
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WO/2011/061892A1 |
A method for producing allyl chloride is provided which includes: a chlorination step of reacting propylene with chlorine to obtain a reaction product containing allyl chloride, unreacted propylene and by-product hydrogen chloride; a sep...
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WO/2011/059078A1 |
The present invention provides a method for purifying HFO-1234yf, comprising the steps of (1) cooling a liquid mixture containing HFO-1234yf and HF to separate the mixture into a upper liquid phase having a high concentration of HF and a...
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WO/2011/058575A1 |
The present invention relates to an improved process for the production of 2,3-Dichloro 1,3-Butadiene which comprises Chlorinating Butadiene, in liquid phase, in the presence of chlorinated solvents & phase transfer catalyst, Distilling ...
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WO/2011/056441A2 |
Disclosed is a process for the manufacture of HFO-1234yf from TCP in three integrated steps that include hydrofluorination of TCP (tetrachloropropene) to HCFC-1233xf in the vapor phase followed by hydrofluorination of HCFC-1233xf to HCFC...
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WO/2011/056461A1 |
A process for the insertion of a partially fluorinated olefin into a fluorinated iodide in the presence of a nickel catalyst at a temperature of a maximum of 150°C with an initial rate of 0.01 mole/hour without loss of selectivity is di...
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WO/2011/050614A1 |
Disclosed are a catalyst system for preparing chloroethylene by acetylene hydrochlorination,a preparation method and application thereof. The catalyst system comprises a catalyst carrier and a catalyst, wherein the catalyst carrier is ...
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WO/2011/052559A1 |
Provided is a method for the purification of a fluorine-containing compound, by which hydrogen chloride can be efficiently separated and removed from a crude fluorine-containing compound that contains hydrogen chloride to provide the flu...
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WO/2011/053449A1 |
Described is a process for separating 1,1,1,2-tetrafluoropropane and hydrogen fluoride from a mixture comprising 1,1,1,2-tetrafluoropropane, 1,1,1,2,3-pentafluoropropane and hydrogen fluoride comprising: subjecting said 1,1,1,2-tetrafluo...
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WO/2011/045559A1 |
The invention relates to a process for removing one or more undesired (hydro)halocarbon compounds from a (hydro)fluoroalkene, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (h...
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WO/2011/044536A1 |
The present invention provides continuous, gas phase, free radical processes for the production of chlorinated and/or fluorinated propenes or higher alkenes from the reaction of chlorinated and/or fluorinated alkanes and chlorinated and/...
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WO/2011/044447A2 |
The present invention provides one-step processes for the production of chlorinated and/or fluorinated propenes. The processes provide good product yield with low, e.g., less than about 20%, or even less than 10%, concentrations of resid...
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WO/2007/058472A9 |
Provided are an apparatus for preparing vinyl chloride including: a pyrolysis reactor in which 1,2-dichloroethane and inert solid particles are mixed to generate vinyl chloride and hydrochloric acid; a first separator receiving the vinyl...
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WO/2011/034991A2 |
The invention provides an economic process for the manufacture of 1,3,3,3-tetrafluoropropene (HFO-1234ze) by a two stage process. A vapor phase hydrofluorination of 1-chloro-3,3,3-trifluoropropene (HCFC-1233zd) into 1-chloro-1,3,3,3-tetr...
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WO/2011/030918A1 |
A leaving substituent-containing compound including a partial structure represented by the following General Formula (I): where a pair of X1 and X2 or a pair of Y1 and Y2 each represent a hydrogen atom; the other pair each represent a gr...
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WO/2011/028415A2 |
A support of metal oxyfluoride or metal halide for a metal-based hydrogenation catalyst useful in hydrogenating fluoroolefins is provided.
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WO/2011/025674A1 |
Disclosed is a process and apparatus for the catalytic hydrogenation of fluoroolefins to fluorocarbons where the reaction is carried out in a multi-tube shell and tube reactor. Reactions involving hydrogenation of fluoro-olefins are typi...
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WO/2011/025063A1 |
Disclosed is a method for producing 1,1,3-trichloro-1-propene comprising step A: a step of dehydrochlorinating 1,1,1,3-tetrachloropropane at a temperature of 30°C to 50°C in the presence of a phase-transfer catalyst and at least one ba...
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WO/2011/022678A1 |
Fluorinated aromatic materials, their synthesis and their use in optoelectronics. In some cases, the fluorinated aromatic materials are perfluoroalkylated aromatic materials that may include perfluoropolyether substituents.
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WO/2011/020255A1 |
Disclosed is an environment-friendly post-treatment method for Friedel-Crafts reaction, which mainly comprises the following steps: 1. Alkylation or acylation reaction on aromatic ring is facilitated by using Lewis acid. 2. The reaction ...
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WO/2011/016966A2 |
A high assay decabromodiphenylalkane product in which the alkylene group contains in the range of about 1-10 carbon atoms and has an occluded free bromine content of <500 ppm is prepared. The process comprises brominating, in a liquid ph...
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WO/2011/017138A2 |
An alpha-alumina support for a hydrogenation catalyst useful in hydrogenating fluoroolefins is provided.
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WO/2011/013732A1 |
Disclosed is an organic compound and/or organic material which has luminescence with high luminous efficiency and high charge mobility. Also disclosed is a method for producing the organic compound and/or organic material with high effic...
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WO/2011/014503A1 |
The disclosure provides methods for the use of open metal frameworks to synthesize biaryls comprising contacting a metal organic framework (MOF) or metal organic polyhedral (MOP) with an aryl boronic acid compound under conditions wherei...
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WO/2011/010610A1 |
Provided is a catalyst precursor, which has excellent safety and stability, has a high stable activity retention rate, is capable of repeated use, has a high reaction recovery rate, and is easily worked into various shapes. The catalyst ...
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WO/2011/010024A1 |
The invention relates to a method for preparing fluoropropenes of formula (I) CF3CF=CHR, where R is a hydrogen or fluorine atom from at least one compound of formula (Ia) CF3CF=CFR, where R has the same meaning as in formula (I), said me...
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WO/2011/010023A1 |
The invention relates to a method for preparing olefin fluorine compounds. Specifically, the invention relates to a method for producing a (hydro)fluoroolefin compound, including: (i) in an agitated reactor provided with at least one rea...
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WO/2011/010025A1 |
The invention relates to a method for preparing 2,3,3,3-tetrafluoro-1-propene, including the following steps: (i) hydrogenating hexafluoropropylene in 1,1,1,2,3,3-hexafluoropropane; (ii) dehydrofluorinating the 1,1,1,2,3,3-hexafluoroprop...
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WO/2011/010606A1 |
Provided is a process for the production of 2-chloro -3,3,3-trifluoropropene, which includes a step of hydrogenating 1,2-dichloro-3,3,3-trifluoropropene with hydrogen in the presence of "a catalyst that comprises a carrier, and a trans...
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WO/2011/005453A2 |
Systems and processes relating to the formation and production of CFO-1113 HCFC-123a. Such systems and processes can include one or more reactors in series that react HCFC-123a and base to produce reaction product vapors including CFO-11...
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WO/2010/150835A1 |
Disclosed is a method for producing a chlorinated hydrocarbon, which is characterized by comprising a thermal dehydrochlorination step wherein an unsaturated compound represented by general formula (2) is obtained by thermally decomposin...
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WO/2010/148207A2 |
The present invention relates to processes and intermediates useful in the preparation of (R)-8-chloro-l-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine (lorcaserin), a serotonin (5-ΗT) receptor modulator that is useful in the treatment of, ...
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WO/2010/142878A1 |
The present invention relates to a method for producing 1,2,3,3,3-pentafluoropropane, involving reacting gaseous phase 1,2,3,3,3-pentafluoropropene with hydrogen in a superstoichiometric amount in the presence of a hydrogenation catalyst...
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WO/2010/142877A1 |
The present invention relates to a method for producing 1,1,1,2,3,3-hexafluoropropane, involving reacting gaseous phase hexafluoropropene with hydrogen in a superstoichiometric amount in the presence of a hydrogenation catalyst in a reac...
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WO/2010/141664A1 |
Disclosed is a process for the manufacture of 2,3,3,3-tetrafluoropropene comprising: (a) dehydrofluorinating 1,1,1,2,3-pentafluoropropane in the presence of a dehydrofluorination catalyst comprised of chromium (III) oxide, and alkali met...
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WO/2010/139873A1 |
The subject matter of the invention is a process for preparing fluoroolefin compounds. The invention relates more particularly to a process for producing a (hydro)fluoroolefin compound, which comprises (i) bringing at least one compound ...
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WO/2010/133129A1 |
Disclosed is a process for the synthesis of 10,10'-dibromo-9,9'-dianthracene, which pertains to the technical field of the synthesis of organic electroluminescent materials, wherein 9,9'-dianthracene is used as the raw material, chlorina...
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WO/2010/131766A2 |
The present invention provides a process for preparing at least one chlorine-containing fluorocarbon compound selected from the group consisting of chlorine-containing fluoropropane compounds represented by Formula (1) : CFnCl3-nCHClCH2C...
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WO/2010/131585A1 |
Disclosed is a method for purifying a compound selected from a compound represented by formula [1] or [2], a saturated aliphatic hydrocarbon which has no substituent, and kerosene, characterized by removing impurities contained in the co...
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WO/2010/131760A1 |
The present invention provides a process for preparing a fluorine-containing propane represented by the formula: CF2XCF2CH3 wherein X is F or Cl, the process including reacting tetrafluoroethylene and methyl chloride in the presence of a...
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WO/2010/128649A1 |
Disclosed are: a diaryl iodonium salt mixture which is a precursor of a BF4 salt or the like of a diaryl iodonium compound, can be produced in the form of crystals at ambient temperature, can be purified in a simple manner, can be produc...
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WO/2010/129844A1 |
A process is disclosed for reducing the amount of monofluoroacetate. The process involves (a) contacting a hydrofluorocarbon with a reactant basic aqueous solution to produce an organic phase solution containing a hydrofluoroolefin and a...
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WO/2010/127091A1 |
Described is process technology for producing brominated aromatic polymer compositions from low molecular weight aromatic polymer compositions. The specified conditions used in the process enable the formation of products having superior...
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WO/2010/125611A1 |
A flame retardant composition for flammable plastic materials and a method for producing the same are disclosed. The flame retardant composition comprises 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5- triazine that contains 1 to 1000ppm of a ...
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WO/2010/123148A1 |
The present invention provides a process for preparing 2-chloro-3,3,3-trifluoropropene including subjecting, in the absence of a catalyst, at least one chlorine-containing compound selected from the group consisting of chloropropane repr...
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WO/2010/123154A2 |
The present invention provides an effective, selective, and industrially applicable process for producing 2,3,3,3-tetrafluoropropene. Specifically, the present invention provides a process for producing 2,3,3,3-tetrafluoropropene includi...
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