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WO/2017/108518A1 |
The invention concerns a method for purifying 2-chloro-3,3,3-trifluoropropene (1233xf) from a first composition comprising 2-chloro-3,3,3-trifluoropropene and at least one of the compounds chosen from the group consisting of E-1-chloro-3...
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WO/2017/108517A1 |
The invention relates to a method for purifying 1,1,1,2,2-pentafluoropropane (245cb) using a first composition comprising 1,1,1,2,2-pentafluoropropane and at least one of the compounds selected from the group consisting of 1,1-difluoroet...
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WO/2017/110851A1 |
Provided is an economically favorable production method in which 1-chloro-2,3,3,3-tetrafluoropropene can be efficiently obtained by using 1,2-dichloro-2,3,3,3-tetrafluoropropane as a raw material. This method for producing 1-chloro-2,3,3...
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WO/2017/102706A1 |
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular alkyl iodide and vinyl iodide impurities, are provided. Processes for produ...
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WO/2017/055453A1 |
The present invention is directed to an ophthalmic composition comprising semifluorinated compounds characterized by the general formula CF3-[CF2]n-CH[CH3]-[CH2)m-CH3 wherein n is an integer selected from 3 to 5 and m is an integer selec...
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WO/2017/053528A1 |
The present invention provides processes for the production of chlorinated methanes via the direct chlorination of methane. The processes include a dehydrochlorination and/or chlorination step that converts up to 100% of the higher chlor...
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WO/2017/044724A1 |
The present specification relates to a dehydrohalogenation process comprising contacting a halofluoroalkane of formula RCXYCZQT with a caustic agent optionally in the presence of an amine in an aqueous solvent in the absence of a catalys...
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WO/2017/044719A1 |
The disclosure relates to a method for fluorinating an alkane substrate comprising contacting said alkane substrate with a fluoroalkane in the presence of a fluorination catalyst selected from chrome oxide, fluorinated chrome oxide, alum...
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WO/2017/028826A2 |
A process for producing a reaction mixture comprising a plurality of C3 chlorinated alkane isomers comprising chlorinating a C3 chlorinated alkane starting material in a chlorination zone to produce the plurality of C3 chlorinated alkane...
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WO/2017/026920A1 |
The present invention relates to the field of fire safety and electrical engineering, and more particularly to methods of detecting pre-fire situations arising as a result of the local overheating of electrical equipment, and is intended...
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WO/2017/022571A1 |
The present invention is a method for manufacturing a fluorinated hydrocarbon represented by structural formula (3), characterized by comprising bringing a secondary or tertiary ether compound represented by structural formula (1) and an...
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WO/2017/018090A1 |
Provided is a method that, when producing higher-order chloroalkane by causing a dehydrochlorination reaction of chloroalkane in the presence of a Lewis acid catalyst comprising a metal chloride, further causing a chlorination reaction o...
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WO/2017/013403A1 |
The present invention provides a process for preparing 1,1,1,2,2-pentafluoropropane (245cb), the process comprising gas phase catalytic dehydrochlorination of a composition comprising 1,1,1-trifluoro-2,3-dichloropropane (243db) to produc...
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WO/2017/013404A1 |
The present invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising: (a)fluorinating CCI3CH2CH2CI (250fb) to produce a reaction product comprising CF3CH2CH2CI (253fb) in the liquid phase in a fi...
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WO/2017/013406A1 |
The present invention provides an integrated process for preparing 2,3,3, 3-tetrafluoropropene (1234yf), the process comprising: (a) vapour phase catalytic fluonnation of a first composition comprising 3,3,3-trifluoro-2-chloro- prop-1-en...
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WO/2016/195055A1 |
The present invention addresses the problem of providing a composition of high-purity fluoromethane. A method for producing fluoromethane including a step for obtaining a mixed gas including fluoromethane and acid fluoride by thermally d...
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WO/2016/194850A1 |
Provided is a process for producing acetic acid by efficiently separating permanganic-acid reducing substances (PRC's) and methyl iodide. A mixture (3A) containing PRC's and methyl iodide is distilled in a distillation step (5) to separa...
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WO/2016/194403A1 |
Provided is an efficient method for producing a fluorine-containing compound that does not require numerous stages of rectifying columns, extractive distillation, and the like. The method for producing a fluorine-containing compound incl...
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WO/2016/187507A1 |
The disclosure relates to a method for hydrofluorination of an olefin of the formula: RCX=CYZ to produce a hydrofluoroalkane of formula RCXFCHYZ or RCHXCFYZ, wherein X, Y, and Z are independently the same or different and are selected fr...
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WO/2016/182717A1 |
A process is described wherein otherwise unusable by-products from a process for the manufacture of trans HCFO-1233zd(E) are converted to a valuable product by introducing them into a process for the production of HFC-245fa. The process ...
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WO/2016/182715A1 |
Disclosed is a process for the production of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) which includes reacting a propane feedstock comprising tetrachlorofluoropropanes, trichlorodifluoropropanes, dichlorotrifluoropropanes, or a mixtu...
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WO/2016/172413A1 |
The present disclosure provides a method for separating 244bb from 1233xf by using solid adsorbent selected from molecular sieves having an average pore size of 5Å or greater.
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WO/2016/166045A1 |
The invention relates to a method for purifying pentafluoroethane (R125) containing chloropentafluoroethane (R115). The mixture to be purified is subjected to an extractive distillation, the extraction agent being chosen from dimethylfor...
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WO/2016/158947A1 |
The present invention provides: a method for producing a fluorinated alkane represented by formula (2) R2-F, wherein an alcohol having 3-5 carbon atoms is fluorinated by means of a fluorination agent represented by formula (1) R1SO2F in ...
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WO/2016/139373A1 |
Molecular storage materials for incorporating small molecules in solid matrices may find applications in structure elucidation, decontamination, and slow release of active ingredients. The syntheses of 1,3,5,7-tetrakis(2,4-dimethoxypheny...
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WO/2016/058566A9 |
Disclosed is a process for producing a chlorinated C3-6 alkane comprising providing a reaction mixture comprising an alkene and carbon tetrachloride in a principal alkylation zone to produce chlorinated C3-6 alkane in the reaction mixtur...
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WO/2016/136744A1 |
The present invention provides a method for producing 1-chloro-2,3,3-trifluoropropene (1233yd), wherein the conversion rate of the starting compound thereof and the selectivity of 1233yd are high. More specifically, the present inventi...
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WO/2016/131782A1 |
The invention relates to the separation of a mixture comprising 2-chloro-1,1-difluoroethane (R142) and trans-dichloroethylene (TDCE) by extractive distillation, and more particularly relates to a separation process in which the TDCE is s...
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WO/2016/128763A1 |
A process for preparing 1,1,1-trifluoro-2,3-dichloropropane (243db), which process comprises contacting 3,3,3-trifluoropropene (1243zf) with chlorine in the presence of a catalyst, wherein the catalyst comprises a transition metal and/or...
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WO/2016/130549A1 |
Methods of preparing fluorinated compounds by carboxylative fluorination using fluoride are contained herein. Fluorinated compounds are provided. Methods of using fluorinated compounds are contained herein.
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WO/2016/125891A1 |
The present invention addresses the problem of providing, in a method for obtaining a mixed gas including methyl fluoride and acid fluoride by thermally decomposing a starting compound in a gas state, a method for more easily separating ...
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WO/2016/117463A1 |
The present invention is a method for purifying a saturated fluorinated hydrocarbon compound having 4 or 5 carbon atoms, characterized by bringing a crude product of the saturated fluorinated hydrocarbon compound into contact with a salt...
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WO/2016/058569A9 |
Disclosed is a process for preparing a highly pure 1,1,1,2,3-pentachloropropane product, comprising 1-a) providing a reaction mixture comprising ethylene, carbon tetrachloride and a catalyst in a principal alkylation zone to produce 1,1,...
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WO/2016/091966A1 |
The present invention concerns a halogenation process, in which a 1,1- dihaloethene CX2=CH2 (I) with at least one halogenation agent. The invention concerns further a process for the manufacture of chlorodifluoroacetic acid chloride (CDF...
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WO/2016/092340A1 |
The present invention provides a process for the preparation of 1-chloro-2,2-difluoroethane comprising the following stages : (i) dehydrofluorinating 1,1,1-trifluoro-2-chloroethane to form a product stream comprising 1-chloro-2,2-difluor...
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WO/2016/080283A1 |
The present invention provides a method whereby HFC-245cb and (E)-HFO-1234ze, which have boiling points that differ little by 1ºC, are isolated by extractive distillation from a composition containing the HFC-245cb and the (E)-HFO-1234z...
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WO/2016/076961A1 |
A process is provided for the chlorination of ethane using chlorine as the chlorinating agent to produce vinylidene (1,1 dichloroethylene), hydrogen chloride and ethylene.
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WO/2016/072801A1 |
The present invention relates to a method for preparing a radiopharmaceutical and, specifically, to a method for preparing an organic fluoride-aliphatic compound usable as a radiopharmaceutical, to a method for purifying the prepared org...
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WO/2016/069429A1 |
An improved process for producing perfluoroalkyi iodides of formula (I), F(CF2CF2)n-l, wherein n is an integer from 2 to 3, wherein the improvement comprises thermolyzing at least one perfluoroalkyi iodide of formula (II), F(CF2CF2)m-l, ...
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WO/2016/064809A1 |
The preparation of chlorinated hydrocarbons by reacting a chlorinated alkane substrate, such as 1,1,1,3-tetrachloropropane, with a source of chlorine, such as chlorine (Cl2), in the presence of a polyvalent molybdenum compound, such as m...
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WO/2016/063939A1 |
The present invention addresses the problem of extending the service life of the catalyst in a method for producing fluorinated methane by pyrolysis of fluorine-containing methyl ether in the presence of a catalyst. Provided is a method ...
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WO/2016/061294A1 |
The present invention relates to an ionic liquid comprised of a salt, the anion of which is C1-, F-, and (HF)nF- (n = 1.0 - 4.0), or combination thereof. In another embodiment, the present invention relates to a process of separating HF ...
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WO/2016/059322A1 |
The invention relates to a composition comprising at least 99 wt.-% 1,1,1,2,3-pentachloropropane, as well as comprising at least one compound selected from a list of additional compounds consisting of trichloropropanes, tetrachloropropan...
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WO/2016/058568A1 |
Disclosed is a process for producing highly pure chlorinated alkane in which a chlorinated alkene is contacted with chlorine in a reaction zone to produce a reaction mixture containing the chlorinated alkane and the chlorinated alkene, a...
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WO/2016/059323A1 |
The invention first relates to a composition comprising at least 99 wt. % of 1,1,1,3,3-pentachloropropane and at least one compound selected from a list of additional compounds consisting of dichloropropanes, trichloropropanes, tetrachlo...
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WO/2016/056602A1 |
Provided is a method for producing a fluorine group-containing haloolefin compound with which side production of perfluorination product can be inhibited during the production of a fluorine group-containing haloolefin compound and the de...
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WO/2016/056613A1 |
Provided is a method for producing a haloolefin compound containing a fluorine group, wherein catalyst inactivation is readily prevented, and reductions in the conversion rate and selectivity of the reaction can be minimized even when th...
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WO/2016/025179A1 |
Processes for producing branched fluoroalkyl olefins are disclosed. In addition, novel halo-fluoroalkane intermediates are disclosed that may be used in the branched fluoroalkyl olefin production processes. Non-limiting examples of branc...
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WO/2016/019718A1 |
Disclosed is a method for preparing 2-chloro-1,1,1,2-tetrafluoropropane. According to the method, 2-chloro-3,3,3-trifluoropropene is used as the raw material. The method comprises the following step: using a metal halide and a perfluoros...
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WO/2016/016200A1 |
The invention relates to a method for synthesizing 1.2-dichloroethane from ethylene and chlorine via low temperature direct chlorination of ethylene in the presence of a catalyst under conditions in which the synthesized 1.2-dichloroetha...
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