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Matches 1 - 50 out of 6,696

Document Document Title
WO/2017/223338A1
A process for the production of a chloroalkene that includes contacting a liquid phase chloroalkane with a solid catalyst, a catalyst deposited on a solid substrate, or combinations thereof, thereby causing the dehydrochlorination of the...  
WO/2017/216272A1
A method for providing polyvinyl chloride (PVC) comprises the following steps: a) providing electricity and an alkali metal chloride solution, preferably Li, K and/or Na, in a chlor-alkali electrolysis cell (17) and obtaining Cl2 and an ...  
WO/2017/183501A1
A method for producing 1,2-dichloro-3,3,3-trifluoropropene (1223xd) according to the present invention is characterized by comprising the step of reacting 1,1,2,3,3-pentachloropropene (1220xa) with a fluorinating agent, wherein hydrogen ...  
WO/2017/178857A1
The present invention provides a process of manufacture of 2,3,3,3-tetrafluoropropene by fluorination of very high purity 1,1,1,2,3-pentachloropropane (HCC-240db) into product 2,3,3,3- tetrafluoropropene (HFO-1234yf), the process compris...  
WO/2017/177763A1
A system and method for separating N-Methyl-2-pyrrolidone (NMP)/chloroform. By combining a falling film evaporator, a forced circulation evaporator, and a fractionating column with a corresponding technological operation method, the syst...  
WO/2017/177988A1
A process for producing a chlorinated alkane in which an alkene or an alkane feedstock is contacted with chlorine in a chlorination zone to produce a reaction mixture containing the chlorinated alkane, wherein the chlorine supplied into ...  
WO/2017/174889A1
The present invention relates to a method for preparing hexafluorobutadiene comprising the following steps: (a) hydrodechlorinating hexachlorobutadiene to form a first stream comprising 1,2,3,4-tetrachlorobutadiene and optionally unreact...  
WO/2017/169809A1
The present invention relates to a filter which is capable of suppressing decomposition of a fluorinated saturated hydrocarbon when a composition that contains the fluorinated saturated hydrocarbon at a high concentration is filtered eve...  
WO/2017/159544A1
The purpose of the present invention is to inhibit degradation of a fluorinated saturated hydrocarbon during storage or use of a dry-etching composition that contains the fluorinated saturated hydrocarbon in a high concentration. The dry...  
WO/2017/158415A1
Disclosed are methods and systems of catalyzing the reaction of alkyl halides to light olefins using a TEAOH templated MeAPSO-34 molecular sieve catalyst. These methods and systems have been shown to have maximum combined selectivity of ...  
WO/2017/155356A1
The present application relates to a method for preparing an alkyl halide using a hydrazine derivative under solvent-free conditions. The present invention can simplify a preparation process, has an economic benefit because an additional...  
WO/2017/154948A1
The present invention addresses the problem of providing a novel method for producing a compound having a fluoromethylene group with high efficiency. The problem can be solved by a method for producing a compound represented by formula (...  
WO/2017/120264A1
The present invention provides improved processes for preparing halogenated alkanes. In particular, the processes comprise reacting an alkene, a halogenated alkene, or combinations thereof and a halogenated methane with at least one chlo...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2017/028826A3
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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.  
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...  
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 ...  
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...  
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 inve...  
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...  
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...  
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.  
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 ...  
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...  
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...  
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...  
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...  
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.  
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...  

Matches 1 - 50 out of 6,696