Class / Patent application number | Description | Number of patent applications / Date published |
570175000 | Utilizing unsaturated compound | 23 |
20080269532 | HIGH SELECTIVITY PROCESS TO MAKE DIHYDROFLUOROALKENES - Disclosed is a method for the synthesis of fluorinated alkenes comprising contacting a fluorinated alkyne of the formula R | 10-30-2008 |
20090131727 | MANUFACTURE OF 1,1,1,2,3,3-HEXAFLUORORPROPANE AND 1,1,1,2-TETRAFLUOROPROPANE VIA CATALYTIC HYDROGENATION - A process for producing hydrofluorocarbon compounds represented by the following formula: | 05-21-2009 |
20090216054 | PROCESS FOR PRODUCING 1,2,3,4-TETRACHLOROHEXAFLUOROBUTANE - Disclosed is a process for producing 1,2,3,4-tetrachlorohexafluorobutane safely in a high yield in the industrial viewpoint and at low cost in the economical viewpoint. Specifically disclosed is a process for producing 1,2,3,4-tetrachlorohexafluorobutane which process comprises: (1) a step of chlorinating 1,3-butadiene, thereby preparing a mixture containing 1,2,3,4-tetrachlorobutane, and (2) a step of allowing the 1,2,3,4-tetrachlorobutane prepared in the step (1) to react with a fluorine gas in the presence of a diluting gas in a gas phase, thereby preparing a mixture containing 1,2,3,4-tetrachlorohexafluorobutane. | 08-27-2009 |
20100137658 | METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS - Provided is a process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of hydrofluorinating 2-chloro-3,3,3-trifluoropropene in the presence of a catalyst selected from the group consisting of SbCl | 06-03-2010 |
20110054226 | Hydrogenation Process for Fluorocarbons - Disclosed is a process and apparatus for the catalytic hydrogenation of fluoroolefins to fluorocarbons where the reaction is carried out in a multi-tube shell and tube reactor. Reactions involving hydrogenation of fluoro-olefins are typically exothermic. In commercial processes where a fluoro-olefin C | 03-03-2011 |
20110087056 | ADIABATIC PLUG FLOW REACTORS AND PROCESSES INCORPORATING THE SAME - The present invention provides adiabatic plug flow reactors suitable for the production of chlorinated and/or fluorinated propene and higher alkenes from the reaction of chlorinated and/or fluorinated alkanes and chlorinated and/or fluorinated alkenes. The reactors comprise one or more designs that minimize the production of by-products at a desired conversion. | 04-14-2011 |
20110144394 | PROCESS FOR THE MANUFACTURE OF FLUORINATED ALKANES - A process for the production of fluorinated alkanes by contacting a feed stream containing a fluorinated olefin and a reducing agent, preferably with a first amount of catalyst to produce a fluorinated alkane, at a first conversion level, wherein a first effluent stream contains unreacted fluorinated olefin and reducing agent; and contacting the first effluent stream under conditions effective to produce a higher level of conversion than said conversion level. | 06-16-2011 |
20110152586 | PROCESS FOR THE HYDROGENATION OF PENTAFLUOROPROPENE - A method of providing a blend of tetra- and/or pentafluoroalkanes comprising hydrogenating a pentafluoropropene. | 06-23-2011 |
20110160500 | AZEOTROPIC OR AZEOTROPE-LIKE COMPOSITION AND PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The present invention provides a process for producing 2,3,3,3-tetrafluoropropene, comprising distilling a mixture of water and 2,3,3,3-tetrafluoropropene to separate the mixture into a first stream and a second stream, the first stream containing 2,3,3,3-tetrafluoropropene with a water content higher than the original mixture, and the second stream containing 2,3,3,3-tetrafluoropropene with a water content lower than the original mixture; and obtaining 2,3,3,3-tetrafluoropropene with a reduced water content from the second stream. The process of the invention can efficiently remove water from 2,3,3,3-tetrafluoropropene (HFO-1234yf). | 06-30-2011 |
20110257444 | AZEOTROPE COMPOSITIONS COMPRISING 1,1,1,2,3-PENTAFLUOROPROPENE AND HYDROGEN FLUORIDE AND USES THEREOF - Disclosed herein are azeotrope and near-azeotrope compositions comprising E-1,1,1,2,3-pentafluoropropene (E-HFC-1225ye) and hydrogen fluoride. The azeotrope and near-azeotrope compositions are useful in processes to produce and in processes to purify E-HFC-1225ye and/or Z-1,1,1,2,3-pentafluoropropene (Z-HFC-1225ye). Also disclosed are processes for the extractive distillation to separate E-HFC-1225ye from Z-HFC-1225ye. | 10-20-2011 |
20120065437 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The instant invention relates to a process and method for manufacturing 2,3,3,3-tetrafluoropropene by dehydrohalogenating a reactant stream of 2-chloro-1,1,1,2-tetrafluoropropane that is substantially free from impurities, particularly halogenated propanes, propenes, and propynes. | 03-15-2012 |
20120101314 | METHOD FOR PRODUCING HEXAFLUOROPROPANE - The present invention relates to a method for producing 1,1,1,2,3,3-hexaafluoropropane, involving reacting gaseous phase hexafluoropropene with hydrogen in a superstoichimetric amount in the presence of a hydrogenation catalyst in a reactor, and recirculating a part of the gaseous effluent from the reactor. | 04-26-2012 |
20120101315 | METHOD FOR PRODUCING PENTAFLUOROPROPANE - The present invention relates to a method for producing 1,2,3,3,3-pentafluoropropane, involving reacting gaseous phase 1,2,3,3,3-pentafluoropropene with hydrogen in a superstoichimetric amount in the presence of a hydrogenation catalyst in a reactor, and recirculating a part of the gaseous effluent from the reactor. | 04-26-2012 |
20120178978 | CATALYSTS FOR FLUOROOLEFINS HYDROGENATION - A support of metal oxyfluoride or metal halide for a metal-based hydrogenation catalyst useful in hydrogenating fluoroolefins is provided. | 07-12-2012 |
20130006022 | METHOD FOR PRODUCING FLUORINE-CONTAINING ALKANE - The present invention provides a method for producing a fluorine-containing alkane, which comprises reacting at least one fluorine-containing compound selected from the group consisting of chlorine-containing fluoroalkanes and fluorine-containing alkenes with hydrogen gas in the presence of catalysts, wherein two or more catalysts having different catalytic activities are used, and the fluorine-containing compound and hydrogen gas, which are starting materials, are sequentially brought into contact with the catalysts in the order of the catalyst having a lower catalytic activity followed by the catalyst having a higher catalytic activity. According to the present invention, in the method for producing a fluorine-containing alkane by using chlorine-containing fluoroalkane or fluorine-containing alkene as a starting material, and subjection it to a reduction reaction or a hydrogen addition reaction, the objective fluorine-containing alkane can be produced with high productivity. | 01-03-2013 |
20130079563 | COMBINATION REACTOR SYSTEM - The present invention is directed to a combination reactor system for exothermic reactions comprising a trickle-bed reactor and a shell-and-tube reactor. This combination allows the system to efficiently remove heat while also providing the ability to control both the temperature and/or reaction progression. The trickle-bed reactor removes heat efficiently from the system by utilizing latent heat and does not require the use of a cooling or heating medium. The shell-and-tube reactor is used to further progress the reaction and provides a heat exchanger in order to introduce fluid at the desired temperature in the shell-and-tube reactor. Also, additional reactant or reactants and/or other fluids may be introduced to the shell-and-tube section of the reactor under controlled temperature conditions. | 03-28-2013 |
20130225882 | HYDROGENATION CATALYST - An alpha-alumina support for a hydrogenation catalyst useful in hydrogenating fluoroolefins is provided. | 08-29-2013 |
20140088328 | CATALYTIC HYDROGENATION OF FLUOROOLEFINS, ALPHA-ALUMINA SUPPORTED PALLADIUM COMPOSITIONS AND THEIR USE AS HYDROGENATION CATALYSTS - A hydrogenation process is disclosed. The process involves reacting a fluoroolefin with H | 03-27-2014 |
20140135538 | METHOD AND APPARATUS FOR CONTINUOUSLY PRODUCING 1,1,1,2,3-PENTAFLUOROPROPANE WITH HIGH YIELD - A method and apparatus for method of continuously producing 1,1,1,2,3-pentafluoropropane with high yield is provided. The method includes (a) bringing a CoF | 05-15-2014 |
20150126785 | Process for the Preparation of 1,1,1-Trifluoropropane - The invention provides a process comprising contacting (1243zf) or (253fb) with hydrogen in the presence of a hydrogenation catalyst to produce a composition comprising 1,1,1-trifluoropropane (263fb). | 05-07-2015 |
20150361014 | METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS - Provided is a process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of hydrofluorinating 2-chloro-3,3,3-trifluoropropene in the presence of a catalyst selected from the group consisting of SbCl | 12-17-2015 |
20160168059 | METHOD FOR PRODUCING FLUORINE-CONTAINING ALKANE | 06-16-2016 |
20220135504 | FLUOROETHYLENE COMPOSITION - Provided is a composition that contains a fluoroethylene having one or more fluorine atoms, the composition having excellent stability of the fluoroethylene. The fluoroethylene composition of the present disclosure contains a fluoroethylene having one or more fluorine atoms, water, and oxygen, the composition having a water content of 100 mass ppm or less based on the mass of the fluoroethylene, and an oxygen content of 0.35 mol % or less based on the fluoroethylene. The fluoroethylene composition has excellent stability of fluoroethylene. | 05-05-2022 |