| Patent application number | Description | Published |
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| 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 |
| 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 |
| 20090012336 | Selectively Reacting Olefins Having a Terminal CF2 Group in A Mixture - A process is disclosed for reducing the mole ratio of (1) compounds of the formula Y | 01-08-2009 |
| 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 |
| 20090062170 | Azeotropic compositions comprising fluorinated olefins for cleaning applications - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z-C | 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 |
| 20090137840 | Fluorinated Alkanesulfonic Acid Anhydrides and Processes for Making the Same - The invention provides a process for the preparation of fluorinated alkanesulfonic acid anhydrides by contacting alkanesulfonic acids with phosphorus pentoxide, the phosphorus pentoxide being provided as a dispersion in an inert oil. The invention also provides novel fluorinated alkanesulfonic acid anhydrides including 2-hydrotetrafluoroethanesulfonic acid anhydride. | 05-28-2009 |
| 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 |
| 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 |
| 20090306438 | 1,2,3,3,3-PENTAFLUOROPROPENE PRODUCTION PROCESSES - The present disclosure relates to a new and efficient manufacturing process for the production of HFC-1225ye. The process involves contacting at least one hexafluoropropane selected from the group consisting of 1,1,1,2,2,3-hexafluoropropane and 1,1,1,2,3,3-hexafluoropropane with a suitable catalyst in a reactor to obtain a product mixture containing HFC-1225ye (1,2,3,3,3-pentafluoropropene) where the pressure in the reactor ranges from about 0.5 psig to about 100 psig. | 12-10-2009 |
| 20100022808 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - A process is disclosed for making CF | 01-28-2010 |
| 20100025620 | 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 | 02-04-2010 |
| 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 |
| 20100051853 | PROCESSES FOR PRODUCING PENTAFLUOROPROPENES AND CERTAIN AZEOTROPES COMPRISING HF AND CERTAIN HALOPROPENES OF THE FORMULA C3HCLF4 - A process is disclosed for making CF | 03-04-2010 |
| 20100056412 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C | 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 |
| 20100152093 | SOLVENT COMPOSITIONS COMPRISING UNSATURATED FLUORINATED HYDROCARBONS - This invention relates to cleaning compositions comprising unsaturated fluorinated hydrocarbons. The invention further relates to use of said cleaning compositions in methods to clean, degrease, deflux, dewater, and deposit fluorolubricant. The invention further relates to novel unsaturated fluorinated hydrocarbons and their use as cleaning compositions and in the methods listed above. | 06-17-2010 |
| 20100168482 | PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES - A process is disclosed for making CF | 07-01-2010 |
| 20100174123 | PREPARATION OF HYDROFLUOROOLEFINS BY DEHYDROFLUORINATION - A dehydrofluorination process is disclosed for making hydrofluoroolefins of the structure R | 07-08-2010 |
| 20100189885 | SOLVENT COMPOSITIONS COMPRISING UNSATURATED FLUORINATED HYDROCARBONS - Disclosed is a method for removing residue from a surface comprising: contacting the surface with a composition comprising at least one unsaturated fluorinated hydrocarbon selected from the group consisting of compounds having the formula E- or Z—R | 07-29-2010 |
| 20100197981 | PROCESSES FOR PRODUCING 1,2,3,3,3-PENTAFLUOROPROPENE AND PRECURSORS THEREOF - A process is disclosed for making CH | 08-05-2010 |
| 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 |
| 20100227786 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z-C | 09-09-2010 |
| 20100294979 | PROCESS FOR PRODUCING 1,2,3,3,3-PENTAFLUOROPROPENE AND RELATED AZEOTROPIC COMPOSITIONS - A process for making CHF═CFCF | 11-25-2010 |
| 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 |
| 20110041878 | Solvent Compositions Comprising Unsaturated Fluorinated Hydrocarbons - Disclosed is a method for removing residue from a surface comprising: contacting the surface with a composition comprising at least one unsaturated fluorinated hydrocarbon selected from the group consisting of compounds having the formula E- or Z—R | 02-24-2011 |
| 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 |
| 20110152152 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C | 06-23-2011 |
| 20110163253 | PROCESSES FOR PRODUCING 1,2,3,3,3-PENTAFLUOROPROPENE - A process for making CHF═CFCF | 07-07-2011 |
