Patent application number | Description | Published |
20080207962 | Compositions containing chromium, oxygen, and at least two modifier metals selected the group consisting of gold, silver, and palladium, their preparation, and their use as catalysts and catalyst precursors - A catalyst composition is disclosed that includes chromium, oxygen, and at least two of gold, silver, and palladium as essential constituent elements. The amount of modifier metals (gold, silver, and/or palladium) in the composition is from about 0.05 atom % to about 10 atom % based on the total amount of chromium and modifier metals. Also disclosed is a process for changing the fluorine distribution (i.e., content and/or arrangement) in a hydrocarbon or halogenated hydrocarbon in the presence of the catalyst composition; and methods for preparing said catalyst composition. One preparation method involves (a) co-precipitating a solid by adding ammonium hydroxide (aqueous ammonia) to an aqueous solution of soluble salts of modifier metals and a soluble chromium salt that contains at least three moles of nitrate per mole of chromium in the solution and has a modifier metal content of from about 0.05 atom % to about 10 atom % of the total content of modifier metals and chromium in the solution to form an aqueous mixture containing co-precipitated solid; (b) drying the co-precipitated solid formed in (a); and (c) calcining the dried solid formed in (b) in an atmosphere containing at least 10% oxygen by volume. Another preparation method involves (a) impregnating solid chromium oxide with a solution of a soluble modifier metal salts; (b) drying the impregnated chromium oxide prepared in (a); and optionally; (c) calcining the dried solid. Yet another preparation method involves mixing multiple compositions, each comprising chromium, oxygen, and at least one modifier metal. | 08-28-2008 |
20080207963 | Preparation of composition containing chromium, oxygen, and either silver or palladium, and their use as catalysts and catalyst precursors - A method for preparing a catalyst composition suitable for increasing the fluorine content in a hydrocarbon or a halogenated hydrocarbon is disclosed. The method involves (a) co-precipitating a solid by adding ammonium hydroxide to an aqueous solution of a soluble trivalent chromium salt and a soluble salt of a modifier metal selected from silver and palladium, that contains at least three moles of nitrate (i.e., NO | 08-28-2008 |
20080207964 | Compositions containing chromium, oxygen and gold, their preparation, and their use as catalysts and catalyst precursors - A catalyst composition is disclosed that includes chromium, oxygen, and gold as essential constituent elements. The amount of gold in the composition is from about 0.05 atom % to about 10 atom % based on the total amount of chromium and gold. Also disclosed is a process for changing the fluorine distribution (i.e., content and/or arrangement) in a hydrocarbon or halogenated hydrocarbon in the presence of the catalyst composition; and methods for preparing said catalyst composition. One preparation method involves; (a) co-precipitating a solid by adding ammonium hydroxide (aqueous ammonia) to an aqueous solution of a soluble gold salt and a soluble chromium salt that contains at least three moles of nitrate per mole of chromium in the solution and has a gold content of from about 0.05 atom % to about 10 atom % of the total content of gold and chromium in the solution to form an aqueous mixture containing co-precipitated solid; (b) drying the co-precipitated solid formed in (a); and (c) calcining the dried solid formed in (b) in an atmosphere containing at least 10% oxygen by volume. Another preparation method involves (a) impregnating solid chromium oxide with a solution of a soluble gold salt, (b) drying the impregnated chromium oxide prepared in (a); and optionally, (c) calcining the dried solid. A third preparation method involves (a) evaporating an aqueous solution of chromium(VI) oxide and a soluble gold salt to form a solid; (b) drying the solid formed in (a); and (c) calcining the dried solid formed in (b) in an atmosphere containing at least 10% oxygen by volume. | 08-28-2008 |
20080230738 | Compositions comprising a fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 09-25-2008 |
20080283794 | HEAT TRANSFER AND REFRIGERANT COMPOSITIONS COMPRISING 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENE AND A FLUOROETHER - Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in combination with fluoroethers, which are azeotropic or near azeotropic. | 11-20-2008 |
20080315149 | HEAT TRANSFER AND REFRIGERANT COMPOSITIONS COMPRISING 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENE AND A HYDROCARBON - The present invention relates to: | 12-25-2008 |
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 |
20090043138 | Process for the Preparation of 1,3,3,3-Tetrafluoropropene and/or 1,1,3,3,3-Pentafluoropropene - A process for the manufacture of CF | 02-12-2009 |
20090056349 | COMPOSITIONS COMPRISING 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENE - Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in combination with at least one bromofluorocarbon, ketones, alcohols, chlorocarbons, ethers, esters, 4-chloro-1,1,2,3,3,4-hexafluorobutene, N-(difluoromethyl)-N,N-dimethylamine, or mixtures thereof, which are azeotropic or near azeotropic. | 03-05-2009 |
20090118554 | Process for the preparation of 1,3,3,3-tetrafluoropropene and/or 2,3,3,3-tetrafluoropropene - A process for the manufacture of CF | 05-07-2009 |
20090120619 | METHOD FOR EXCHANGING HEAT IN VAPOR COMPRESSION HEAT TRANSFER SYSTEMS - The present disclosure relates to a method for exchanging heat in a vapor compression heat transfer system. In particular, it relates to use of an intermediate heat exchanger to improve performance of a vapor compression heat transfer system utilizing a working fluid comprising at least one fluoroolefin. In addition, the present disclosure relates to a vapor compression heat transfer system comprising an intermediate heat exchanger in combination with a dual-row evaporator or a dual-row condenser, or both. | 05-14-2009 |
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 |
20090127496 | Tetrafluoropropene Production Processes - A process is disclosed for the manufacture of CF | 05-21-2009 |
20090137853 | Process for the Preparation of 1,1,1,3,3-Penta-Fluoropropane and/or 1,1,1,3,3,3-Hexafluoropropane - A process for the manufacture of CF | 05-28-2009 |
20090249809 | Compositions Comprising A Fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 10-08-2009 |
20090249864 | Compositions Comprising A Fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 10-08-2009 |
20090250650 | Compositions Comprising A Fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 10-08-2009 |
20090255285 | Compositions Comprising A Fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 10-15-2009 |
20090264689 | Tetrafluoropropene Production Processes - A process is disclosed for producing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. The process involves pyrolyzing 1,1,1,2,3-pentafluoropropane. | 10-22-2009 |
20090264690 | 1,2,3,3,3-Pentafluoropropene Production Processes - A process is disclosed for making CF | 10-22-2009 |
20090267022 | PROCESS AND METHODS OF PURIFICATION FOR THE MANUFACTURE FLUOROCARBONS - Halocarbons of the structure CF | 10-29-2009 |
20090272931 | Compositions Comprising A Fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 11-05-2009 |
20090277194 | Compositions Comprising A Fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 11-12-2009 |
20090278072 | Compositions Comprising A Fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 11-12-2009 |
20090288431 | PHENOL STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be at least one phenol or a mixture of at least one phenol with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 11-26-2009 |
20090299108 | CATALYTIC ADDITION OF HYDROFLUOROCARBONS TO FLUOROOLEFINS - A process is disclosed for making RR | 12-03-2009 |
20090314015 | METHOD FOR CIRCULATING SELECTED HEAT TRANSFER FLUIDS THROUGH A CLOSED LOOP CYCLE - The present invention relates to the use of flexible hoses capable of handling high pressure fluids and providing a barrier against permeation loss in air conditioning and refrigeration systems. Such hoses are particularly suitable in air conditioning and refrigeration in which new, low global warming potential refrigerant alternatives are used. | 12-24-2009 |
20100004492 | Catalytic Production Processes for Making Tetrafluoropropenes and Pentafluoropropenes - A process is disclosed for making CF | 01-07-2010 |
20100022808 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - A process is disclosed for making CF | 01-28-2010 |
20100051852 | PROCESSES FOR PRODUCING PENTAFLUOROPROPENES AND AZEOTROPES COMPRISING HF AND CERTAIN HALOPROPENES OF THE FORMULA C3CL2F4, C3CLF5, OR C3HF5 - A process is disclosed for making CF | 03-04-2010 |
20100072415 | PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES AND AZEOTROPIC COMPOSITIONS OF 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE WITH HF AND OF 1,1,1,2,2-PENTAFLUOROPROPANE WITH HF - A process is disclosed for making CF | 03-25-2010 |
20100076231 | PROCESSES FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE, A PROCESS FOR PRODUCING 1-CHLORO-2,3,3,3-PENTAFLUOROPROPANE AND AZEOTROPIC COMPOSITIONS OF 1-CHLORO-2,3,3,3-TETRAFLUOROPROPENE WITH HF - A process is disclosed for making CH | 03-25-2010 |
20100121115 | DEHYDROFLUORINATION PROCESS TO MANUFACTURE HYDROFLUOROOLEFINS - Disclosed is a process for the manufacture of hydrofluoroolefins of the structure CF | 05-13-2010 |
20100152503 | Copper-Substituted Chromium Oxide Compositions, Their Preparation, and Their Use as Catalysts and Catalyst Precursors - A crystalline alpha-chromium oxide where from about 0.05 atom % to about 5 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by divalent copper (Cu | 06-17-2010 |
20100168482 | PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES - A process is disclosed for making CF | 07-01-2010 |
20100187464 | 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. | 07-29-2010 |
20100200798 | Tetrafluoropropene Production Processes - A process is disclosed for the manufacture of CF | 08-12-2010 |
20100203167 | AZEOTROPE COMPOSITIONS COMPRISING DECAFLUOROPENTANE AND HYDROGEN FLUORIDE AND USES THEREOF - Disclosed herein are azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride. The azeotrope compositions are useful in processes to produce and in processes to purify 1,2,3,3,3-pentafluoropropene. Additionally, disclosed herein are azeotrope and near-azeotrope compositions comprising 1,1,1,2,3,4,4,5,5,5-decafluoropentane and hydrogen fluoride. | 08-12-2010 |
20100288965 | TERPENE, TERPENOID, AND FULLERENE STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be a terpene, terpenoid or fullerene; or a mixture of a terpene, terpenoid or fullerene with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 11-18-2010 |
20100305371 | PRODUCTION PROCESSES FOR MAKING 1,1,1,2,2,3-HEXAFLUOROPROPANE - A process for making HFC-236cb is disclosed. The process comprises reacting TFE with HFC-32 in the presence of at least one co-product and a suitable catalyst to produce a product mixture comprising HFC-236cb, wherein the total amount of the at least one co-product is at least 10 ppmv based on the total amount of the tetrafluoroethylene, the difluoromethane and the at least one co-product. | 12-02-2010 |
20100320412 | PROCESSES FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3-TETRAFLUOROPROPENE - A process is disclosed for making CF | 12-23-2010 |
20110105808 | Process for the Preparation of 1,1,3,3,3-Pentafluoropropene and 1,2,3,3,3-Pentafluoropropene - A process for the manufacture of CF | 05-05-2011 |
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 |
20110118514 | Process for the Preparation of 1,1,1,3,3,3-Hexafluoro-Propane and at Least One Of 1,1,1,2,3,3-Hexafluoropropane, Hexafluoropropane and 1,1,1,2,3,3,3-Heptafluoropropane - A process is disclosed for the manufacture of 1,1,1,3,3,3-hexafluoropropane and 1,1,1,2,3,3-hexafluoropropane, hexafluoropropene and/or 1,1,1,2,3,3,3-heptafluoropropane. The process involves (a) reacting HF, Cl | 05-19-2011 |
20110204279 | COMPOSITIONS COMPRISING A FLUOROOLEFIN - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 08-25-2011 |
20110237845 | Catalytic Production Processes for Making Tetrafluoropropenes and Pentafluoropropenes - A process is disclosed for making CF | 09-29-2011 |
20110245350 | PROCESSES FOR PRODUCING AND COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3- TETRAFLUOROPROPENE - A process is disclosed for making CF | 10-06-2011 |
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 |
20120004475 | PROCESSES FOR PRODUCTION AND PURIFICATION OF HYDROFLUOROOLEFINS - Disclosed herein are processes for the production of hydrofluoroolefins including 2,3,3,4,4,4-hexafluoro-1-butene by dehydrofluorination. Also disclosed herein are processes for separation of hydrofluoroolefins from hydrofluorocarbons and from hydrogen fluoride. | 01-05-2012 |
20120119139 | PROCESS FOR THE MANUFACTURE OF HALOCARBONS AND SELECTED COMPOUNDS AND AZEOTROPES WITH HF - A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR | 05-17-2012 |
20120267567 | 1,2,3,3,3-PENTAFLUROPROPENE PRODUCTION PROCESSES - A process is disclosed for making CF | 10-25-2012 |
20130060068 | PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES - A process is disclosed for making CF | 03-07-2013 |
20130102814 | PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES AND AZEOTROPIC COMPOSITIONS OF 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE WITH HF AND OF 1,1,1,2,2-PENTAFLUOROPROPANE WITH HF - A process is disclosed for making CF | 04-25-2013 |
20130283834 | PHENOL STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be at least one phenol or a mixture of at least one phenol with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 10-31-2013 |
20140034870 | 1,2,3,3,3-Pentafluoropropene Production Processes - A process is disclosed for making CF | 02-06-2014 |
20140283537 | COMPOSITIONS COMPRISING A FLUOROOLEFIN - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 09-25-2014 |
20150083957 | COMPOSITIONS COMPRISING A FLUOROOLEFIN - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 03-26-2015 |