| Patent application number | Description | Published |
|---|
| 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 |
| 20090030247 | METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS - Disclosed are processes for the production of fluorinated olefins, preferably adapted to commercialization of CF | 01-29-2009 |
| 20090030249 | PROCESSES FOR PREPARING 1,1,2,3-TETRACHLOROPROPENE - Provided is a continuous process for preparing 1,1,2,3-tetrachloro-1-propene having the steps of catalytically dehydrochlorinating CH | 01-29-2009 |
| 20100022809 | Manufacturing Process for HFO-1234ze - Disclosed is a method for forming HFO-1234ze, and for forming compositions comprising HFO-1234ze, by (a) converting, preferably by dehydrofluorination, pentafluorpropane (HFC-245), preferably 1,1,1,3,3-pentafluorpropane (HFC-245fa), preferably by contact with a caustic solution, to a reaction product comprising cis-HFO-1234ze and trans-HFO-1234ze; and (b) contacting at least a portion, preferably substantially portion, and in certain embodiments substantially all of said reaction product with at least one isomerization catalyst to convert at least a portion, and preferably at least a substantial portion, of cis-HFO-1234ze in said reaction product to trans-HFO-1234ze. | 01-28-2010 |
| 20100113322 | Azeotrope-Like Compositions Of 1,1,2,3-Tetrachloropropene And Hydrogen Fluoride - An azeotrope-like composition consisting essentially of 1,1,2,3-tetrachloropropene and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition. | 05-06-2010 |
| 20100113323 | Azeotrope-Like Compositions Of 1,1,1,2,3-Pentachloropropane And Hydrogen Fluoride - An azeotrope-like composition consisting essentially of 1,1,1,2,3-pentachloropropane and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition. | 05-06-2010 |
| 20100119460 | Azeotrope-Like Compositions Of 2,3,3,3-Tetrafluoropropene And 3,3,3-Trifluoropropene - Provided are azeotropic or azeotrope-like mixtures of 2,3,3,3-tetrafluoropropene (1234yf) and 3,3,3-trifluoropropene (1243zf), as well as methods for producing and using the same. | 05-13-2010 |
| 20100185027 | Isomerization of 1,1,3,3-Tetrafluoropropene - The present invention involves methods for isomerization of 1234zc. Also provided are methods for managing 1,1,3,3-tetrafluoropropene produced as a byproduct in a process for synthesizing trans-1,3,3,3-tetrafluoropropene from 245fa, wherein 1234zc is converted into trans/cis-1234ze with the help of a catalyst in the absence of HF and in an isomerization reactor, or is converted into 1234zc and/or 245fa with the help of a catalyst in the presence of HF in a separate reactor or preferably in the same reactor of 245fa dehydrofluorination. | 07-22-2010 |
| 20100187088 | SEPARATION OF CLOSE BOILING COMPOUNDS BY ADDITION OF A THIRD COMPOUND - The invention provides a method for separating halocarbons. In particular, a method for separating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) by adding a third component and then separating via conventional distillation. More particularly the invention pertains to a method for separating HCFC-244bb from HCFC-1233xf which are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf). | 07-29-2010 |
| 20100210883 | METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS - Disclosed are methods for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): | 08-19-2010 |
| 20100237279 | AZEOTROPE-LIKE COMPOSITIONS OF PENTAFLUOROPROPANE, CHLOROTRIFLUOROPROPENE, AND HYDROGEN FLUORIDE - The invention is directed to a ternary azeotrope-like mixture consisting essentially of effective amounts of 1,1,1,3,3-pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride. | 09-23-2010 |
| 20110004035 | METHOD FOR PRODUCING 2-CHLORO-3,3,3,-TRIFLUOROPROPENE (HCFC-1233xf) - The present invention relates to an improved method for manufacturing | 01-06-2011 |
| 20110060172 | CATALYSTS FOR FLUOROOLEFINS HYDROGENATION - A support of metal oxyfluoride or metal halide for a metal-based hydrogenation catalyst useful in hydrogenating fluoroolefins is provided. | 03-10-2011 |
