Class / Patent application number | Description | Number of patent applications / Date published |
570124000 | Product | 50 |
20120130135 | NONAQUEOUS SOLVENT FOR ELECTRICAL STORAGE DEVICE - Provided is a nonaqueous solvent for an electrical storage device, including a fluorine-containing, cyclic, saturated hydrocarbon represented by the following general formula (1) and having a structure obtained by introducing one or two substituents R into a cyclopentane ring: | 05-24-2012 |
20220135501 | MONO-SUBSTITUTED CYCLOPENTADIENES AND METAL CYCLOPENTADIENYL COMPLEXES AND SYNTHESIS METHODS THEREOF - A metal cyclopentadienyl complex has the formula: | 05-05-2022 |
570125000 | Polymer of unsaturated compound | 1 |
570126000 | Fluorine is sole halogen | 1 |
20080207961 | Perfluoroparacyclophane and methods of synthesis and use thereof - A composition comprising perfluoro-[2,2]-paracyclophane dimer compound is disclosed. The synthesis reaction of the paracyclophane dimer from 1,4-bis(chlorodifluoromethane)-2,3,5,6-tetrafluorobenzene involves heating in the presence of a metal catalyst and a solvent. A perfluorinated paraxylylene coating formed from the perfluorinated paracyclophane dimer is also disclosed. | 08-28-2008 |
570127000 | Benzene ring containing | 6 |
20090171130 | 1, 4-bis (bromodifluoromethyl ) tetrafluorobenzene and producing method thereof - A method for producing 1,4-bis(bromodifluoromethyl)tetrafluorobenzene (BFTFB) is disclosed. The target compound is predicted as a very potent monomer for low dielectric constant material. This method comprises the following steps: (a) mixing 1,4-bis(bromodifluoromethyl)tetrafluorobenzene (DFMTFB), a bromination agent, and a solvent (with or without) to form a mixture; (b) heating the mixture under UV radiation; and (c) purifying the resultant to obtain 1,4-bis(bromodifluoromethyl)tetrafluorobenzene (BFTFB) with high purity. | 07-02-2009 |
20090287025 | Fluorinating agent and method for producing fluorine-containing compound using the same - A method for producing a fluorine-containing organic compound represented by the formula (7): | 11-19-2009 |
20130190540 | METHOD FOR PREPARING OPTICALLY ACTIVE 1-BROMO-1-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]ETHANE - A method for preparing optically active 1-bromo-1-[3,5-bis(trifluoromethyl)-phenyl]ethane having a high optical purity, which comprises the step of brominating optically active 1-[3,5-bis(trifluoromethyl)phenyl]ethanol by using, as a brominating agent, (a) a combination of a phosphorus halide and hydrogen bromide, (b) a combination of 1,2-dibromo-1,1,2,2-tetrachloroethane and an organic phosphorous compound represented by the general formula (I): P(R | 07-25-2013 |
570129000 | Plural carbocyclic rings containing | 3 |
20120264984 | LIQUID CRYSTAL COMPOUND - A liquid crystal compound with high optical anisotropy is provided. The liquid crystal compound is represented by formula (I), | 10-18-2012 |
20130261352 | FLUOROGRAPHENE AND PREPARATION METHOD THEREOF - A fluorographene and preparation method thereof are provided. For the said fluorographene, the fraction of F is 0.510-03-2013 | |
20160096788 | LIQUID CRYSTAL COMPOSITION HAVING A NEGATIVE LIQUID CRYSTAL MODE - Provided is a liquid crystal composition including an additive of the following chemical formula: | 04-07-2016 |
570130000 | Plural carbocyclic rings containing | 1 |
20110098517 | Use of Subfluorinated Carbons as a Solid Lubricant - The invention relates to the use of subfluorinated carbons as a solid lubricant. Said subfluorinated carbons simultaneously contain fluorinated carbon domains with a (CF)n structure and non-fluorinated graphitic carbon domains, in powder form, as a solid lubricant. The invention can be used in the field of solid lubricants. | 04-28-2011 |
570134000 | Acyclic | 40 |
20090005616 | Purification of 1,2,3,3,3-Pentafluoropropene by Extractive Distillation - A process for separating 1,2,3,3,3-pentafluoropropene from a first mixture comprising 1,2,3,3,3-pentafluoropropene and 1,1,3,3,3-pentafluoropropene is disclosed. The process involves (a) contacting the first mixture with at least one extractive agent to form a second mixture; (b) distilling the second mixture; and (c) recovering 1,2,3,3,3-pentafluoropropene substantially free of 1,1,3,3,3-pentafluoropropene. The extractive agent used with the present invention increases or decreases the volatility of 1,2,3,3,3-pentafluoropropene or 1,1,3,3,3-pentafluoropropene relative to each other. Also disclosed is a substantially pure 1,2,3,3,3-pentafluoropropene composition. | 01-01-2009 |
20090099394 | PROCESS FOR OBTAINING A PURIFIED HYDROFLUOROALKANE - Process for obtaining a hydrofluoroalkane which is purified of organic impurities, according to which the hydrofluoroalkane containing organic impurities is subjected to at least one purification treatment chosen from
| 04-16-2009 |
20090124836 | Process For The Preparation Of 1,1,1,3,3- Pentafluoropropane And 1,1,1,2,3- Pentafluoropropane - A process is disclosed for the manufacture of CF | 05-14-2009 |
20090247793 | METHOD FOR THE PREPARATION OF [18F]FLUOROALKYLHALIDES - The invention relates to new processes for preparation of | 10-01-2009 |
20100029997 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The present invention discloses a manufacturing process to produce high purity 1234yf from 245eb, which preferably includes the removal of impurities present in 245eb raw material, the dehydrofluorination of 245eb, and the removal of impurities present in final crude product. The disclosed manufacturing process allows the production of a 1234yf product with lower the levels of 1225ye and/or trifluoropropene, preferably in amounts of less than about 500, and 50 ppm, respectively. | 02-04-2010 |
20100099931 | PROCESS FOR PURIFYING A FLUORINE COMPOUND - Provided is a process for purifying a fluorine compound capable of yielding a highly pure fluorine compound by removing at least oxygen from a fluorine compound containing an oxygen compound as an impurity. In a process according to the present invention for purifying a fluorine compound, the following is brought into contact with the fluorine compound, which contains an oxygen compound as an impurity, thereby removing at least oxygen: carbonyl fluoride in an amount of a 0.1-fold equivalent or more and a 100-fold equivalent or less of oxygen atoms in the fluorine compound. | 04-22-2010 |
20140303409 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The present invention relates, in part, to the discovery that the presence of HF in a HCFC-244bb feedstream in a reaction for the preparation of HFO-1234yf results in selectivity changeover from HFO-1234yf to HCFO-1233xf. By substantially removing HF, it is shown that the selectivity to HFO-1234yf via dehydrochlorination of HCFC-244bb is improved. | 10-09-2014 |
20140303410 | CATALYTIC PROCESSES FOR MAKING HYDROMONOCHLOROFLUOROBUTANE AND HYDROMONOCHLOROFLUOROPENTANE COMPOUNDS - Disclosed is a process involving contacting a hydrohalobutane selected from the group consisting of CF | 10-09-2014 |
20160152536 | METHOD FOR SEPARATING ORGANOFLUORINE COMPOUNDS USING MEMBRANE | 06-02-2016 |
570135000 | Unsaturated | 29 |
20090030244 | METHOD FOR PRODUCING 2-CHLORO-3,3,3-TRIFLUOROPROPENE (HCFC-1233xf) - The present invention relates to an improved method for manufacturing 2-chloro-3,3,3,-trifluoropropene (HCFC-1233xf) by reacting 1,1,2,3-tetrachloropropene, 1,1,1,2,3-pentachloropropane, and/or 2,3,3,3-tetrachloropropene with hydrogen fluoride, in a vapor phase reaction vessel in the presence of a vapor phase fluorination catalyst and stabilizer. HCFC-1233xf is an intermediate in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf) which is a refrigerant with low global warming potential. | 01-29-2009 |
20090203945 | METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS - A method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): | 08-13-2009 |
20110224464 | Process for the preparation of chlorofluoroalkenes - One or more hydrochlorofluoroalkenes can be produced by dehydrofluorination of a hydrochlorofluoroalkane over a X-ray amorphous high surface metal fluoride or a X-ray amorphous or weakly crystalline metal oxide fluoride wherein the metal is selected from the 2 | 09-15-2011 |
20120172636 | HIGH PURITY E-1-CHLORO-3,3,3-TRIFLUOROPROPENE AND METHODS OF MAKING THE SAME - The present invention discloses high purity E-1-chloro-3,3,3-trifluoropropene (1233zd(E)) and methods to produce the same. More specifically, the present invention discloses the methods of making 1233zd(E) essentially free of toxic impurities (e.g. 2-chloro-3,3,3-trifluoropropene (1233xf), chlorotetrafluoro-propene (1224), and 3,3,3-trifluoropropyne). The present invention further provides methods for making high purity 1233zd(E) with concentration of 1233xf and 1224 at or below 200 parts per million (ppm) and 3,3,3-trifluoropropyne impurities at or below 20 ppm. Formation of 1233xf impurity can be avoided if pure 1,1,1,3,3-pentachloropropane is used as a starting material. It was also found that formation of 1233xf is avoided if a liquid phase manufacturing process is used. | 07-05-2012 |
20120296127 | INTEGRATED PROCESS FOR THE PRODUCTION OF 1-CHLORO-3,3,3-TRIFLUOROPROPENE - The present invention is directed to processes for the production of 1233zd from 240fa and HF, with or without a catalyst, at a commercial scale. The 240fa and HF are fed to a reactor operating at high pressure. The resulting product stream comprising 1233zd, HCl, HF, and other byproducts is treated to one or more purification techniques including phase separation and one or more distillations to provide purified 1233zd, which meets commercial product specifications, i.e., having a GC purity of 99.5% or greater. | 11-22-2012 |
20130023703 | Process for dehydrofluorinating hydrochlorofluoroalkanes and products obtained thereby - A process for the selective dehydrofluorination of hydrochlorofluoroalkanes and novel hydrochlorofluoroalkenes is described wherein an effective amount of a catalytically active metal compound is applied which is selected from the group consisting of AlF | 01-24-2013 |
20150011803 | Method for Purifying (E)-1-Chloro-3,3,3-Trifluoropropene - Provided is a purification method for efficiently reducing an undesirable organic compound or compound in (E)-1-chloro-3,3,3-trifluoropropene and thereby obtaining (E)-1-chloro-3,3,3-trifluoropropene with high purity. The purification method of OF-1233E according to the present invention is characterized by bringing a composition containing OF-1233E and at least one organic compound selected from the group consisting of HCFC-142 isomers, HCFC-244fa, HFC-245fa, OF-1234E, OF-1234Z and OF-1233Z into contact with a solid adsorbent. | 01-08-2015 |
20150148570 | INTEGRATED PROCESS FOR THE PRODUCTION OF 1-CHLORO-3,3,3-TRIFLUOROPROPENE - The present invention is directed to processes for the production of 1233zd from 240fa and HF, with or without a catalyst, at a commercial scale. The 240fa and HF are fed to a reactor operating at high pressure. The resulting product stream comprising 1233zd, HCl, HF, and other byproducts is treated to one or more purification techniques including phase separation and one or more distillations to provide purified 1233zd, which meets commercial product specifications, i.e., having a GC purity of 99.5% or greater. | 05-28-2015 |
570136000 | Fluorine is sole halogen | 21 |
20090030245 | METHOD FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - A method for preparing 2,3,3,3-tetrafluoropropene comprising contacting a reactant comprising CCl | 01-29-2009 |
20090043136 | PREPARATION OF FLUORINATED OLEFINS VIA CATALYTIC DEHYDROHALOGENATION OF HALOGENATED HYDROCARBONS - A process for making a fluorinated olefin having the step of dehydrochlorinating a hydrochlorofluorocarbon having at least one hydrogen atom and at least one chlorine atom on adjacent carbon atoms, preferably carried out in the presence of a catalyst selected from the group consisting of (i) one or more metal halides, (ii) one or more halogenated metal oxides, (iii) one or more zero-valent metals/metal alloys, (iv) a combination of two or more of the foregoing. | 02-12-2009 |
20090043137 | DEHYDROCHLORINATION OF HYDROCHLOROFLUOROCARBONS USING PRE-TREATED ACTIVATED CARBON CATALYSTS - The present disclosure provides methods for pre-treating activated carbon before it is used in a dehydrochlorination process. The methods can comprise mixing the activated carbon with an acid, an oxidizing agent in a liquid phase, or an oxidizing agent in a gas phase. Activated carbons undergoing one or more of these methods can exhibit improved stability during the dehydrochlorination process. | 02-12-2009 |
20090234165 | PROCESS FOR THE MANUFACTURE OF FLUORINATED OLEFINS - A method for producing 1,1,1,2-tetrafluoropropene and/or 1,1,1,2,3 -pentafluoropropene using a single set of four unit operations, the unit operations being (1) hydrogenation of a starting material comprising hexafluoropropene and optionally recycled 1,1,1,2,3-pentafluoropropene; (2) separation of the desired intermediate hydrofluoroalkane, such as 1,1,1,2,3,3-hexafluoropropane and/or 1,1,1,2,3-pentafluoropropane; (3) dehydrofluorination of the intermediate hydrofluoroalkane to produce the desired 1,1,1,2-tetrafluoropropene and/or 1,1,1,2,3-pentafluoropropene, followed by another separation to isolate the desired product and, optionally, recycle of the 1,1,1,2,3-pentafluoropropene. | 09-17-2009 |
20090270659 | METHOD FOR PRODUCING HYDROFLUOROCARBONS - The invention relates to a method for producing hydrofluorocarbons. The method comprises a step of reacting at least one hydro(fluoro)chlorocarbon or chlorocarbon with hydrofluoric acid in a gaseous phase in the presence of a catalyst, and a step of separating fluorination reaction products from the mixture. The method is characterized in that the gaseous flow from the reaction is compressed by means of a compressor before being subjected to the separation step. The invention also relates to a device for implementing the method. | 10-29-2009 |
20100004492 | Catalytic Production Processes for Making Tetrafluoropropenes and Pentafluoropropenes - A process is disclosed for making CF | 01-07-2010 |
20100105967 | CONVERSION OF 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE TO 2,3,3,3-TETRAFLUOROPROPENE - Described is a method for producing fluoropropenes of formula CF | 04-29-2010 |
20100121115 | DEHYDROFLUORINATION PROCESS TO MANUFACTURE HYDROFLUOROOLEFINS - Disclosed is a process for the manufacture of hydrofluoroolefins of the structure CF | 05-13-2010 |
20100174123 | PREPARATION OF HYDROFLUOROOLEFINS BY DEHYDROFLUORINATION - A dehydrofluorination process is disclosed for making hydrofluoroolefins of the structure R | 07-08-2010 |
20100249469 | METHOD FOR PRODUCING FLUORINE-CONTAINING OLEFIN - The present invention aims to reduce an amount of by-products generated in a reaction step for obtaining fluorine-containing olefin, and thereby to obtain fluorine-containing olefin as a target substance with a higher selectivity than that in the conventional method. | 09-30-2010 |
20110009678 | COMPOSITIONS CONTAINING A COMBINATION OF Z AND E STEREOISOMERS OF HYDROFLUOROOLEFINS - Disclosed are the combinations containing Z and E stereoisomers of hydrofluoroolefins where the more toxic isomer is less than about 30% weight of the combination (vs the sum of Z+E), to minimize the toxicity impact in the applications they will be used for such as cooling and heat fluids, foams blowing agents or solvents. Also disclosed are means to obtain combinations containing Z and E stereoisomers of hydrofluoroolefins. | 01-13-2011 |
20110021849 | Process For The Preparation of Fluorinated Compounds - A subject-matter of the invention is a process for the preparation of 2,3,3,3-tetrafluoro-1-propene comprising the following stages: (i) hydrogenation of hexafluoropropylene to give 1,1,1,2,3,3-hexafluoropropane; (ii) dehydrofluorination of the 1,1,1,2,3,3-hexafluoropropane obtained in the preceding stage to give 1,2,3,3,3-pentafluoro- | 01-27-2011 |
20110077435 | POLYFLUORO-1-ALKENE AND METHOD FOR PRODUCING THE SAME - A polyfluoro-1-alkene represented by the general formula: CF | 03-31-2011 |
20110118512 | PROCESSES FOR PRODUCTION AND PURIFICATION OF HYDROFLUOROOLEFINS - Disclosed herein are processes for the production of hydrofluoroolefins by dehydrofluorination. Also disclosed herein are processes for separation of hydrofluoroolefins from hydrofluorocarbons and from hydrogen fluoride. | 05-19-2011 |
20110124928 | Gas production facility, gas supply container, and gas for manufacture of electronic devices - An apparatus for producing a gas using a raw material gas having high reactivity, in particular, a fluorinated hydrocarbon, or a vessel for supplying the gas, characterized in that the surface of a portion thereof contacting with the gas has an average roughness of 1 μm or less in terms of a center line average roughness Ra. It is preferred that an oxide-based passivated film such as a film based on chromium oxide, aluminum oxide, yttrium oxide, magnesium oxide or the like is formed on the surface having a roughness controlled as above. The above apparatus and vessel can be suitably used for preventing the contamination of a raw material gas originated from a gas production apparatus or a vessel for supplying the gas. | 05-26-2011 |
20110184214 | PROCESS OF MAKING FLUOROOLEFINS BY THERMAL DECOMPOSITION OF FLUORINATED MATERIALS - Process for producing fluorinated olefins from fluorinated materials, the process comprising thermally decomposing the fluoropolymers into fluoroolefins in a reactor having a feeding zone where the fluorinated materials are fed into the reactor and a decomposition zone where the fluorinated materials are thermally decomposed and wherein the thermal decomposition is carried out in the presence of microwave irradiation. | 07-28-2011 |
20110313214 | Hydro(chloro)fluoroolefins and Method for Preparation Thereof - A subject of the invention is a compound of formula (I) XCF | 12-22-2011 |
20120165578 | COMPOSITIONS COMPRISING 1,1,1,2,3-PENTAFLUOROPROPANE OR 2,3,3,3- TETRAFLUOROPROPENE - Disclosed are compositions comprising HFC-245 | 06-28-2012 |
20120172637 | CATALYTIC GAS PHASE FLUORINATION OF 1230xa to 1234yf - The invention is directed to a process for preparing 2,2,2,3-tetrafluoropropene (1234yf), comprising:
| 07-05-2012 |
20140316169 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The present invention discloses a manufacturing process to produce high purity 1234yf from 245eb, which preferably includes the removal of impurities present in 245eb raw material, the dehydrofluorination of 245eb, and the removal of impurities present in final crude product. The disclosed manufacturing process allows the production of a 1234yf product with lower the levels of 1225ye and/or trifluoropropene, preferably in amounts of less than about 500, and 50 ppm, respectively. | 10-23-2014 |
20150051426 | METHOD FOR STORING TETRAFLUOROPROPENE AND CONTAINER FOR STORING TETRAFLUOROPROPENE - To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. | 02-19-2015 |
570137000 | Bromine or iodine containing | 2 |
20090137852 | METHOD FOR PRETREATING AND REGENERATING CATALYSTS USED IN A PROCESS FOR MAKING FLUOROIODOALKANES - A process for the preparation of a fluoroiodoalkane represented by the structural formula CF | 05-28-2009 |
20160046547 | PROCESSES FOR PRODUCING BRANCHED FLUOROALKYL OLEFINS - 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 branched fluoroalkyl olefins include branched fluorobutenes, such as 1,3,4,4,4-pentafluoro-3-trifluoromethyl)but-1-ene (HFO-1438ezy). In some aspects, there is disclosed a method for dehydrobrominating 4-bromo-1,1,1,2,4-pentafluoro-2-(trifluoromethyl)butane to produce 1,3,4,4,4-pentafluoro-3-(trifluoromethyl)but-1-ene (HFO-1438ezy). | 02-18-2016 |