Patent application number | Description | Published |
20090099395 | Method for Producing 1,3,3,3-Tetrafluoropropene - There is provided a method for producing 1,3,3,3-tetrafluoropropene. This method includes dehydrofluorinating 1,1,1,3,3-pentafluoropropane in gas phase in the presence of a zirconium compound-carried catalyst in which a zirconium compound is carried on a metal oxide or activated carbon. | 04-16-2009 |
20120123172 | Production Method Of Trans-1,3,3,3-Tetrafluoropropene - Production of trans-1,3,3,3-tetrafluoropropene by reacting 1-chloro-3,3,3-trifluoropropene with hydrogen fluoride to obtain a reaction product A containing formed trans-1,3,3,3-tetrafluoropropene, unreacted 1-chloro-3,3,3-trifloropropene and hydrogen fluoride, and by-product cis-1,3,3,3-tetrafluoropropene, 1,1,1,3,3-pentafluoropropane and hydrogen chloride; distilling reaction product A to recover a distillation bottom product containing 1-chloro-3,3,3-trifloropropene and hydrogen fluoride and supplying recovered distillation bottom product to the reacting step; recovering hydrogen fluoride from a residue B remaining after recovery of the distillation bottom product and supplying recovered hydrogen fluoride to the reacting step; contacting a residue C remaining after recovery of hydrogen fluoride with water or aqueous sodium hydroxide solution to separate hydrogen chloride; dehydrating a residue D remaining after separation of hydrogen chloride; and distilling a residue E remaining after the dehydration to obtain trans-1,3,3,3-tetrafluoropropene. The method reuses unreacted reactants and produces the target compound efficiently. | 05-17-2012 |
20120302804 | Method for Producing 3,3,3-Trifluoro Propene - A production method of 3,3,3-trifluoropropene includes the step of hydrogenating 1-chloro-3,3,3-trifluoropropene with hydrogen (H | 11-29-2012 |
Patent application number | Description | Published |
20140336424 | Method for Producing Trans-1-Chloro-3,3,3-Trifluoropropene - Provided is a method for producing trans-1-chloro-3,3,3-trifluoropropene usable as a raw material for a foaming agent for a hard polyurethane foam, a solvent, a cleaning agent, a cooling medium, a working fluid, a propellant, a fluorinated resin, etc., the method involving a step of bringing cis-1-chloro-3,3,3-trifluoropropene into contact with a catalyst, wherein the catalyst includes a fluorinated metal oxide or a metal fluoride each produced by applying a fluorination treatment to a metal oxide containing one kind or two or more kinds of metals and containing aluminum atoms that make up 50 at. % or more of metal atoms to thereby substitute some or all of oxygen atoms in the metal oxide with fluorine atom(s), wherein the fluorinated metal oxide or the metal fluoride is a compound produced through a drying treatment at 400 to 600° C. | 11-13-2014 |
20140357907 | Process for Producing 1,2-Dichloro-3,3,3-Trifluoropropene - Disclosed is a process for producing 1,2-dichloro-3,3,3-trifluoropropene, which is characterized by that 1-halogeno-3,3,3-trifluoropropene represented by the general formula [1]: | 12-04-2014 |
20150080618 | Method for Producing CIS-1,3,3,3-Tetrafluoropropene - A production method of cis-1,3,3,3-tetrafluoropropene according to the present invention includes the steps of: subjecting 1,1,1,3,3-pentafluoropropane to dehydrofluorination to form a reaction mixture (A) containing cis-1,3,3,3-tetrafluoropropene, trans-1,3,3,3-tetrafluoropropene and unreacted 1,1,1,3,3-pentafluoropropane; distilling the reaction mixture (A) to separate the trans-1,3,3,3-tetrafluoropropene from the reaction mixture (A) and collect a reaction mixture (B) containing the cis-1,3,3,3-tetrafluoropropene and the 1,1,1,3,3-pentafluoropropane; and reacting the reaction mixture (B) with a base and thereby obtaining the cis-1,3,3,3-tetrafluoropropene from the reaction mixture (B). This production method enables efficient production of high-purity cis-1,3,3,3-tetrafluoropropene and thus has industrial advantages. | 03-19-2015 |
20150099907 | METHOD FOR PRODUCING 1-CHLORO-3,3,3-TRIFLUORO-1-PROPENE AND 1,3,3,3-TETRAFLUOROPROPENE - A method for producing a desired isomer of 1-chloro-3,3,3-trifluoro-1-propene or a desired isomer of 1,3,3,3-tetrafluoropropene at a high conversion ratio with no use of a solid catalyst is provided. Since no solid catalyst is used, a desired isomer of 1-chloro-3,3,3-trifluoro-1-propene and a desired isomer of 1,3,3,3-tetrafluoropropene can be stably obtained with no undesired possibility that the solid catalyst is deteriorated due to coking or the like caused as a result of long-time use thereof. | 04-09-2015 |
20150112103 | METHOD FOR PRODUCING CIS-1,3,3,3-TETRAFLUOROPROPENE - A method for producing 1234Z from 1234E while generation of 245fa as a byproduct is suppressed. The method for producing cis-1,3,3,3-tetrafluoropropene includes putting trans-1,3,3,3-tetrafluoropropene into contact with a catalyst. The trans-1,3,3,3-tetrafluoropropene is put into contact with the catalyst at a reaction temperature of higher than or equal to 200° C. and lower than or equal to 550° C. for a contact time of longer than or equal to 0.01 seconds and shorter than or equal to 500 seconds. | 04-23-2015 |
20150122461 | Medium for Boiling-Type Cooler and Method of Using Same - A working medium containing 2-methoxy-1,1,1,3,3,3-hexafluoropropane (HFE-356mmz) as a main component is disclosed. This working medium is a new working medium for a boiling-type cooler, which has a light burden on the environment such as the global warming potential, etc., is slightly flammable or flame retardant, has superior thermal and chemical stabilities, and a good compatibility with heat exchangers formed of various metal materials. This medium for the boiling-type cooler can be preferably used as a working medium for a cooler of a PCU (power control unit) of a car. | 05-07-2015 |
20150191405 | METHOD FOR PRODUCING 1,2-DICHLORO-3,3,3-TRIFLUOROPROPENE - The present invention has an object of providing a method for producing 1,2-dichloro-3,3,3-trifluoropropene by a vapor-phase reaction easily and in an industrial scale. A method for producing 1,2-dichloro-3,3,3-trifluoropropene of the present invention includes putting 1,2-dichloro-1-halogeno-3,3,3-trifluoropropane with an activated carbon catalyst in a vapor phase. According to the present invention, 1,2-dichloro-3,3,3-trifluoropropene is produced in an industrial scale at a high yield by use of 1,2-dichloro-1-halogeno-3,3,3-trifluoropropane, which is available at low cost, as a material. | 07-09-2015 |
20150191406 | METHOD FOR PRODUCING 1,2-DICHLORO-3,3,3-TRIFLUOROPROPENE - A method for producing 1,2-dichloro-3,3,3-trifluoropropene of the present invention includes reacting 1,2-dichloro-1-halogeno-3,3,3-trifluoropropane with a base in a liquid phase; and extracting generated 1,2-dichloro-3,3,3-trifluoropropene to the outside of a reaction system to recover while the reaction is continued. According to the present invention, 1,2-dichloro-3,3,3-trifluoropropene is obtained at a high yield by a simple method. Thus, 1,2-dichloro-3,3,3-trifluoropropene is produced in an industrial scale. | 07-09-2015 |
20150203424 | Method for Separating 1-Chloro-3,3,3-Trifluoropropene and Hydrogen Fluoride, and Method for Producing 1-Chloro-3,3,3-Trifluoropropene by Using Same - A separation method of 1-chloro-3,3,3-tetraluofopropene and hydrogen fluoride according to the present invention includes reducing the hydrogen chloride content of a mixture containing hydrogen chloride, 1-chloro-3,3,3-tetrafluoropropene and hydrogen chloride, thereby causing phase separation of the mixture so as to obtain an upper phase predominantly containing the hydrogen fluoride and a lower phase predominantly containing the 1-chloro-3,3,3-tetrafluoropropene. This separation method is industrially economically advantageous since the 1-chloro-3,3,3-tetraluofopropene and the hydrogen fluoride can be separated rapidly by simple operation. | 07-23-2015 |
Patent application number | Description | Published |
20100257976 | Protective Gas Composition For Magnesium/Magnesium Alloy Production And Combustion Preventing Method - There is provided a protective gas composition for preventing combustion of a molten magnesium/magnesium alloy, containing a compound selected from the group consisting of 1,1,1,3,3-pentafluoropropane (HFC-245fa), 1,3,3,3-tetrafluoropropene (OHFC-1234ze), methyl 1,1,2,2-tetrafluoroethyl ether (HFE-254pc), which are fluorine-containing organic compounds, and mixtures thereof; and a carrier gas. | 10-14-2010 |
20100263489 | USE OF A PROTECTIVE GAS COMPOSITION FOR PREVENTING OXIDATION OR COMBUSTION OF MOLTEN MAGNESIUM - A method of using a protective gas composition comprising a fluorine-containing organic compound and a carrier gas for preventing a rapid oxidation or combustion of a molten magnesium/magnesium alloy alloy in a magnesium or magnesium alloy production process. | 10-21-2010 |
20110172472 | Process for Producing 1,3,3,3-Tetrafluoropropene - According to the first characteristic of the present invention, there is provided a production process for 1,3,3,3-tetrafluoropropene including: the first step of reacting 1,1,1,3,3-pentachloropropane with hydrogen fluoride thereby obtaining 1-chloro-3,3,3-trifluoropropene; and the second step of reacting 1-chloro-3,3,3-trifluoropropene obtained in the first step with hydrogen fluoride in a gaseous phase in the presence of a fluorination catalyst. According to the second characteristic of the present invention, there is provided a dehydration process including bringing 1,3,3,3-tetrafluoropropene containing at least water into contact with zeolite. | 07-14-2011 |
20120123173 | Process For Production Of 2-Chloro-3,3,3-Trifluoropropene - There is provided according the present invention a process for producing 2-chloro-3,3,3-trifluoropropene, comprising: hydrogenating 1,2-dichloro-3,3,3-trifluoropropene with hydrogen (H | 05-17-2012 |
Patent application number | Description | Published |
20100063114 | INHIBITORS OF PROTEIN PRENYLTRANSFERASES - The present invention is directed to novel compounds. These compounds can be useful in inhibiting the activity of GGTase I. The compounds can also be used as anti-cancer therapeutics including as part of methods for treating cancer, in assays, and in kits. | 03-11-2010 |
20100255103 | Mesoporous Silica Nanoparticles for Biomedical Applications - A submicron structure includes a silica body defining a plurality of pores that are suitable to receive molecules therein, the silica body further defining an outer surface between pore openings of said plurality of pores; and a plurality of anionic molecules attached to the outer surface of the silica body. The anionic molecules provide hydrophilicity to the submicron structure and are suitable to provide repulsion between other similar submicron structures, and the submicron structure has a maximum dimension less than one micron. | 10-07-2010 |
20100284924 | NANO-DEVICES HAVING IMPELLERS FOR CAPTURE AND RELEASE OF MOLECULES - A nanodevice has a containment vessel defining a storage chamber therein and defining at least one port to provide transfer of molecules to or from the storage chamber, and a plurality of impellers attached to the containment vessel. The plurality of impellers are of a structure and are arranged to substantially block molecules from entering and exiting the storage chamber of the containment vessel when the impellers are static and are operable to impart motion to the molecules to cause the molecules to at least one of enter into or exit from the storage chamber of the containment vessel. | 11-11-2010 |
20100310465 | NANO-DEVICES HAVING RELEASABLE SEALS FOR CONTROLLED RELEASE OF MOLECULES - A nanodevice has a containment vessel defining a storage chamber therein and defining at least one port to provide access to and from said storage chamber, and a stopper assembly attached to the containment vessel. The stopper assembly has a blocking unit arranged proximate the at least one port and has a structure suitable to substantially prevent material after being loaded into the storage chamber from being released while the blocking unit is arranged in a blocking configuration. The stopper assembly is responsive to the presence of a predetermined stimulus such that the blocking unit is released in the presence of the predetermined stimulus to allow the material to be released from the storage chamber. The predetermined stimulus is a predetermined catalytic activity that is suitable to at least one of cleave, hydrolyze, oxidize, or reduce a portion of the stopper assembly, and the nanodevice has a maximum dimension of about 1 μm. | 12-09-2010 |
20110178138 | INHIBITORS OF PROTEIN PRENYLTRANSFERASES - The present invention is directed to novel compounds. These compounds can be useful in inhibiting the activity of protein prenyltransferases including GGTase I and/or RabGGTase. The compounds can also be used as anti-cancer therapeutics including as part of methods for treating cancer, in assays, and in kits. | 07-21-2011 |
20130102639 | INHIBITORS OF PROTEIN PRENYLTRANSFERASES - The present invention is directed to novel compounds. These compounds can be useful in inhibiting the activity of protein prenyltransferases including GGTase I and/or RabGGTase. The compounds can also be used as anti-cancer therapeutics including as part of methods for treating cancer, in assays, and in kits. | 04-25-2013 |
20140341979 | NANODRUG TARGETING PROTEIN GERANYLGERANYLATION - The present invention relates, for example, to a liposome, which can be a basic liposome, a transferrin-conjugated liposome, or a pH-sensitive liposome, which encapsulates a compound that specifically inhibits the activity of a protein prenyltransferase, such as a RabGGTase and/or a GGTase I. The liposomes can be used as anti-cancer therapeutics including as part of methods for treating cancer, in assays, and in kits. | 11-20-2014 |