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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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WO/2014/149807A1 |
The present invention discloses methods to produce cis-1-chloro-3,3,3-trifluoro-propene in high yield by the isomerization of trans-1-chloro-3,3,3-trifluoropropene. These isomers are also known as 1233zd(Z) and 1233zd(E), respectively. T...
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WO/2014/152325A1 |
This disclosure relates to processes which involve: contacting a mixture comprising at least one fluoroolefin and at least one alkyne impurity with at least one zeolite to reduce the concentration of the at least one alkyne impurity in t...
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WO/2014/151441A1 |
The invention relates to a process to prepare 2-chloro-3,3,3-trifluoropropene (HCO-1233xf) or 2-chloro-1,1,12-tetrafluoropropane (HCFC-244bb) using dichloro-trifluoropropanes and/or trichloro-difluoropropanes, and to prepare 2-chloro-3,3...
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WO/2014/061035A9 |
The present disclosure relates to a process for the halogenation of hydrocarbon. In accordance with the process of the present disclosure a hydrocarbon and a halogen is introduced in a reaction vessel. Light having wavelength in the rang...
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WO/2014/136877A1 |
The present invention is a high-purity 2-fluorobutane and a method for using the high-purity 2-fluorobutane as a dry-etching gas. The high-purity 2-fluorobutane is characterized by having a purity of 99.9% by volume or more and by contai...
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WO/2014/134377A2 |
Processes for the production of chlorinated propanes are provided. The processes comprise catalyzing the chlorination of 1,1,1,3-tetrachloropropane with aluminum chloride, either alone or in combination with ferric chloride. Low intensit...
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WO/2014/134233A2 |
Processes for the production of chlorinated propenes are provided. The processes proceed through the production of cyclic intermediate that is thereafter readily converted to a desired chloropropane, e.g., via selective pyrolysis. The pr...
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WO/2014/130445A1 |
Disclosed is a process for the synthesis of 1,1,2,3-tetrachloropropene (HCC- 1230xa) using 1,1,3-trichloropropene (HCC-1240za) and/or 3,3,3-trichloropropene (HCC-1240zf) and Cl2 gas as the reactants, wherein the process takes place in a ...
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WO/2014/129488A1 |
The present invention is a 1H-heptafluorocyclopentene characterized in having a purity of 99.9 wt% or greater and an organochlorine compound content of 350 wt ppm or less. The present invention provides a high-purity 1H-heptafluorocyclop...
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WO/2014/130436A1 |
This invention relates to a method to improve 1, 1,3-trichloropropene selectivity in HCC-250fb (1,1,1,3-tetrachloropropane) dehydrochlorination. In normal practice, FeCl3 is used as the catalyst for the dehydrochlorination of HCC-250fb t...
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WO/2014/127001A2 |
Processes for isolating 1,1,1,2,3-pentachloropropane from a crude product stream containing the 1,1,1,2,3-pentachloropropane and ferric chloride. The processes may include deep distillation of the crude, treatment of the crude with a rea...
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WO/2014/125924A1 |
The purpose of the present invention is to provide: a novel compound which contains a cyclic structure capable of developing a function and has a negative Δε value, which has a negatively large Δε value and can be used for the develo...
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WO/2014/123807A1 |
Embodiments of the present disclosure include methods for method of producing aromatic products, the methods including separating a crude oil and condensate feed into at least a light naphtha stream, a heavy naphtha stream, and a bottoms...
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WO/2014/121173A1 |
The present invention provides an improved process for producing 1,1,2, 3-tetrachloropropene. By using a first reactive distillation column for HCC-250fb dehydrochlorination, and a second reactive distillation column for HCC-240db dehydr...
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WO/2014/121171A1 |
Disclosed is a process in which the fluorination of an organic reactant comprising 1,1,1,3,3-pentachloropropane (240fa) with anhydrous HF is conducted in the presence of an effective amount of a phase-transfer catalyst which facilitates ...
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WO/2014/115823A1 |
The present invention pertains to a fluorine-containing aromatic compound indicated by formula (1) (in the formula, Rf1 and Rf2 are different groups; Rf1 is a C1-3 linear perfluoroalkyl group; Rf2 is a C2-12 linear perfluoroalkyl group; ...
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WO/2014/116562A1 |
The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes...
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WO/2014/108159A1 |
A method is described for producing vinyl chloride by thermally cracking 1,2-dichloroethane in a vinyl chloride structure, wherein a 1,2-dichloroethane pyrolysis unit is provided, wherein feed 1,2-dichloroethane is thermally cracked, the...
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WO/2014/103947A1 |
The present invention provides: a halogenated aniline represented by formula (I) (wherein X1 and X2 independently represent a chlorine atom, a bromine atom or a iodine atom); a method for producing the halogenated aniline; and others.
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WO/2014/103582A1 |
Provided is a method for separating 2,3,3,3-tetrafluoropropene (HFO-1234yf) and chloromethane (R40) from a composition containing HFO-1234yf and R40 with high efficiency. A method for separating HFO-1234yf that does not substantially con...
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WO/2014/101685A1 |
Disclosed are a method for preparing 2-chloro-3,3,3-trifluoropropene and 2,3,3,3-tetrafluoropropene together. Raw materials pentachlorocyclopropane and anhydrous hydrogen fluoride undergo vapor phase fluorination and then three-stage sep...
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WO/2014/095982A1 |
Process for the hydrohalogenation of an unsaturated hydrocarbon using a catalyst comprising at least one ionic liquid (IL) and at least one metal, according to which said IL and metal are encapsulated inside a porous solid carrier.
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WO/2014/100039A1 |
Processes for the production of chlorinated propenes are provided. The present processes make use of 1,2-dichloropropane, a by-product in the production of chlorohydrin, as a low cost starting material. 1,1,1,2,2-pentachloropropane produ...
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WO/2014/099464A1 |
In accordance with the present invention, processes of synthesizing 3,3,3-trifluoropropyne from 1,3,3,3-tetrafluoropropene, 1-chloro-3,3,3-trifluoropropene, and/or 1,1,1,3,3-pentafluoropropane are provided.
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WO/2014/094590A1 |
Disclosed is an HFO-1234ze and HFC-245fa co-production preparation method. The HFO-1234ze and HFC-245fa are prepared through a two-stage gas phase fluorination reaction by using 1, 1, 1, 3, 3-pentachloropropane (HCC-240fa) as a raw mater...
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WO/2014/098047A1 |
Provided are: a novel fluorine-containing compound which is applicable to both a dry process and a wet process and is useful as an organic semiconductor material that has high carrier mobility; and a method for producing the fluorine-con...
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WO/2014/099481A1 |
In accordance with the present invention, processes for producing bromofluoropropenes in commercial quantities by reacting 3,3,3-trifluoropropyne with hydrogen bromide at elevated temperatures are provided.
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WO/2014/100066A1 |
Processes for the production of chlorinated propenes are provided. The processes make use of 1,2-dichloropropane as a starting material and subject a feedstream comprising the same to an ionic chlorination process. At least a portion of ...
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WO/2014/095440A1 |
Process for the purification of an EDC stream, comprising the steps of : eventually removing the lower boiling impurities from the EDC stream so as to generate a stream of EDC substantially free from lower boiling impurities; feeding thi...
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WO/2014/099787A1 |
A process and system for recovering hydrogen bromide, methane, ethane and propane from butane and higher hydrocarbon products by means of condensation, cryogenic liquefaction and distillation, and for oxidation of the hydrogen bromide to...
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WO/2014/094587A1 |
Disclosed is an HFO-1234ze preparation process. The present invention is realized by loading two fluorination catalysts into the same reactor, and controlling the temperature in each section. The preparation process of the present invent...
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WO/2014/095441A1 |
Process for the manufacture of EDC or Ethylene Di-Chloride by chlorination and/or oxychlorination of ethylene, said process comprising the purification of an EDC stream according to the following steps : - eventually removing the lower b...
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WO/2014/087076A1 |
The invention relates to a process for preparing a catalyst, comprising the reactive milling of a first reagent, which is a chromium oxide compound, with a second reagent, which is a compound of the formula MzM'1-zOxFy, M and M' each bei...
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WO/2014/082537A1 |
Disclosed is a process for fractional crystallization of p-dichlorobenzene. 80 wt% of p-dichlorobenzene is used as raw materials. In a fractional crystallizer, the raw materials are refined by using a secondary six-section melt crystalli...
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WO/2014/080779A1 |
Provided is an economically advantageous method for producing HFO-1234yf, which is a substance useful as a novel cooling medium, with satisfactorily high yield by a one-cycle reaction involving thermal decomposition. Provided is a method...
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WO/2014/080916A1 |
Provided is an economically advantageous method for efficient production using readily available raw materials by a single reaction associated with thermal decomposition, with HFO-1234yf, which is useful as a new refrigerant, in a well-c...
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WO/2014/077246A1 |
Provided is a method for safely producing fluoromethane and 3,3,3-trifluoro-2-(trifluoromethyl)propanoyl fluoride ((CF3)2CHCOF), which are useful as a dry etching gas or the like, with high purity at low cost. By a method for thermally d...
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WO/2014/073003A1 |
The present invention relates to the single-step process for the synthesis of aryl olefin compounds of Formula (1) by reacting aryl aldehydes with alkyl aldehydes in presence of malononitrile and acid or base or salt, optionally in prese...
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WO/2014/064477A1 |
The present invention is a process to make l-aryl-2-bromo substituted indenes and l-phenyl-2-bromo substituted indenes that can have different functional groups present around the indene ring and/or the aromatic and/or phenyl ring. The i...
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WO/2014/062469A1 |
Described herein is a composition comprising a partially fluorinated compound selected from the group consisting of: I(CF2)XCH=CH2 (Formula III); and I(CF2)XCH2CH2I (Formula II) wherein x is an odd integer selected from 3 to 11.
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WO/2014/062450A2 |
A method of making α,ω-diiodoperfluoroalkanes includes combining: diatomic iodine, at least one perfluoroalkylene oxide represented by the formula wherein Rf represents a perfluoroalkyl group; and at least one of: a) a first metallic c...
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WO/2014/052695A1 |
Disclosed is a process for producing hexafluoro-2-butyne comprising, reacting HCFC-336 with an aqueous solution of an alkali metal hydroxide in the presence of a quaternary alkylammonium salt which comprises at least one alkyl group of a...
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WO/2014/046251A1 |
Provided is a production method for 1,2-dichloro-3,3,3-trifluoropropene that is characterized by 1,2-dichloro-3,3,3-trifluoropropane being brought into contact with an active carbon catalyst in a gaseous phase. The production method uses...
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WO/2014/047112A1 |
In accordance with the present invention a composition is provided. The composition comprises Z-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzz) and 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123). Also in accordance with the present invent...
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WO/2014/046250A1 |
Provided is a production method for 1,2-dichloro-3,3,3-trifluoropropene that includes reacting a base in a liquid phase with 1,2-dichloro-1-halogeno-3,3,3-trifluoropropane and extracting and recovering 1,2-dichloro-3,3,3-trifluoropropene...
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