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WO/2012/056263 |
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/2012/057367 |
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/2012/052798 |
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/2012/052797 |
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/2012/051057 |
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/2012/035851 |
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/2012/033088 |
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/2012/030797 |
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/2012/030613 |
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/2012/030797 |
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/2012/030781 |
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/2012/024252 |
The instant invention relates to compositions comprising a blend 1-chloro-3,3,3-trifluoropropene (HCFO 1233zd) and 1,1-dichloro-1-fluoroethane (HCFC 141b). In particular, the instant invention relates to blowing agents and foamable compo...
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WO/2012/012113 |
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/2012/011609 |
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/2012/009114 |
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/2012/008282 |
A dry etching agent which comprises (A) 1,3,3,3- tetrafluoropropene, (B) at least one additive gas selected from the group consisting of H2, O2, CO, O3, CO2, COCl2, CF3OF, COF2, NO2, F2, NF3, Cl2, Br2, I2, CH4, C2H2, C2H4, C2H6, C3H4, C3...
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WO/2012/009114 |
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/2012/006295 |
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/2012/004487 |
The invention relates to a stable composition (CS) comprising at least x wt.-% 2,3,3,3-tetrafluoropropene (99.8 ≤ x < 100), at most y wt.-% unsaturated compound(s) (Ia) (0 < y ≤ 0.2) selected from among 3,3,3-trifluoropropene (HFO-12...
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WO/2012/004487 |
The invention relates to a stable composition (CS) comprising at least x wt.-% 2,3,3,3-tetrafluoropropene (99.8 ≤ x < 100), at most y wt.-% unsaturated compound(s) (Ia) (0 < y ≤ 0.2) selected from among 3,3,3-trifluoropropene (HFO-12...
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WO/2012/000853 |
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/2011/162336 |
Disclosed is a method for easily and economically producing 1,1-dichloro-2,3,3,3-tetra-fluoropropene (CFO-1214ya) that does not require the purification of a raw material component that has been prepared as an isomer mixture, i.e 1,1-dic...
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WO/2011/163285 |
Provided are methods for producing fluorinated organic compounds, which preferably comprises converting at least one compound of formula (I) CH2XCHZCF3 to at least one compound of formula (II) CHX=CZCF3 where X and Z are independently H ...
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WO/2011/163285 |
Provided are methods for producing fluorinated organic compounds, which preferably comprises converting at least one compound of formula (I) CH2XCHZCF3 to at least one compound of formula (II) CHX=CZCF3 where X and Z are independently H ...
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WO/2011/162341 |
Disclosed is a method that can manufacture high-purity 2,3,3,3-tetrafluoropropene, whereby generation of 3,3,3-trifluoropropene is inhibited. In said method, a feedstock compound comprising either or both 1,1-dichloro-2,3,3,3-tetrafluoro...
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WO/2011/162339 |
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/2011/162338 |
In the disclosed method for manufacturing 2,3,3,3-tetrafluoropropene (HFO-1234yf), generation of the over-reduced product HFC-254eb is decreased. In said method, a feedstock compound comprising either or both 1,1-dichloro-2,3,3,3-tetrafl...
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WO/2011/162278 |
The present invention comprises: a gas for plasma reactions that is characterized by containing 1,1,2,4,4,-pentafluoro-1,3-butadiene; a dry etching method in which the gas for plasma reactions is supplied to a processing vessel, and in t...
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WO/2011/162340 |
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/2011/157907 |
The invention relates to a method for manufacturing trifluoroethylene F1123 (CF2=CHF), including at least one step consisting of reacting R-134a (CF3-CFH2) with a metal hydroxide, preferably an alkaline or alkaline-earth hydroxide. The r...
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WO/2011/158790 |
Provided is a method for producing 1,1,1,4,4,4-hexafluoro-2-butene that is efficient and appropriate for a flow-through reaction. Cis-1,1,1,4,4,4-hexafluoro-2-butene is obtained by isomerization of hexafluoro-1,3-butadiene using a cataly...
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WO/2011/149711 |
The present invention relates to an azeotropic or azeotrope-like mixture consisting essentially of 1,1,1,2,3,3-hexafluoropropane, hexafluoropropene and hydrogen fluoride.
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WO/2011/149711 |
The present invention relates to an azeotropic or azeotrope-like mixture consisting essentially of 1,1,1,2,3,3-hexafluoropropane, hexafluoropropene and hydrogen fluoride.
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WO/2011/146820 |
Disclosed is a process for preparing cis-1,1,1,4,4,4-hexafluoropropene comprising the steps of (a) reacting CCl4 with a compound having the formula CF3CX=CXH, where each X is independently halogen or hydrogen, to form a compound having t...
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WO/2011/146802 |
The present invention provides a method for the preparation of suitable chlorofluorocarbon and hydrochlorofluorocarbon materials or chlorofluorocarbon and hydrochlorofluorocarbon alkene and alkyne intermediates which serve as useful feed...
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WO/2011/146812 |
Disclosed is a process for making hexafluoro-2-butyne comprising the steps of: (a) providing a composition comprising CF3CX=CXCF3, where X = halogen; and (b) treating CF3CX=CXCF3 with a dehalogenation catalyst in the presence of a haloge...
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WO/2011/146792 |
Disclosed is a process for the preparation of fluorine-containing olefins comprising contacting a chlorofluoroalkane with hydrogen in the presence of a catalyst at a temperature sufficient to cause replacement of the chlorine substituent...
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WO/2011/139646 |
The current invention relates to a process for making a tetrafluoropropene using a tetrafluorochloropropane and/or a pentafluoropropane as starting or intermediate reagents. More specifically, though not exclusively, the present inventio...
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WO/2011/139591 |
A process for the manufacture of halogenated olefins in semi-batch mode by dehydrohalogenation of halogenated alkanes in the presence of an aqueous base such as KOH which simultaneously neutralizes the resulting hydrogen halide. During t...
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WO/2011/139591 |
A process for the manufacture of halogenated olefins in semi-batch mode by dehydrohalogenation of halogenated alkanes in the presence of an aqueous base such as KOH which simultaneously neutralizes the resulting hydrogen halide. During t...
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WO/2011/139646 |
The current invention relates to a process for making a tetrafluoropropene using a tetrafluorochloropropane and/or a pentafluoropropane as starting or intermediate reagents. More specifically, though not exclusively, the present inventio...
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WO/2011/135395 |
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/2011/135416 |
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 présence of a catalyst.
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WO/2011/126620 |
The invention provides a method for separating halocarbons. In particular, a method for separating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) by adding a third component and then s...
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WO/2011/126634 |
Provided are azeotropic and azeotrope-like compositions of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF). Such azeotropic and azeotrope-like compositions are useful as intermediates in the production of 2,3,3,...
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WO/2011/126692 |
The disclosed integrated manufacturing process includes a combined liquid phase reaction and purification operation which directly produces trans-1-chloro-3,3,3-trifluoropropene and 3-chloro-1,1,1,3-tetrafluoropropane which is a precurso...
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WO/2011/126692 |
The disclosed integrated manufacturing process includes a combined liquid phase reaction and purification operation which directly produces trans-1-chloro-3,3,3-trifluoropropene and 3-chloro-1,1,1,3-tetrafluoropropane which is a precurso...
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WO/2011/126634 |
Provided are azeotropic and azeotrope-like compositions of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF). Such azeotropic and azeotrope-like compositions are useful as intermediates in the production of 2,3,3,...
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WO/2011/126679 |
The present invention achieves a catalyst life improvement for the catalyzed vapor phase fluorination of a chlorocarbon in the presence of one catalyst and an oxygen feed. Specifically, in one non-limiting embodiment, the instant inventi...
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WO/2011/126620 |
The invention provides a method for separating halocarbons. In particular, a method for separating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) by adding a third component and then s...
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