| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 570154000 | From acetylenically unsaturated compound | 7 |
| 20100292516 | Process for Producing Perfluoroalkyne Compound - A process for producing a perfluoroalkyne compound includes an addition reaction step of adding Cl | 11-18-2010 |
| 20110137090 | PROCESS FOR PREPARING 2,3,3,3-TETRAFLUOROPROPENE AND 1,3,3,3-TETRAFLUOROPROPENE - The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene represented by CF | 06-09-2011 |
| 20110201851 | PROCESS FOR PREPARING 2,3,3,3-TETRAFLUOROPROPENE - The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene comprising the steps of: (a) reacting 3,3,3-trifluoropropyne with hydrogen fluoride while heating to obtain a product containing 2,3,3,3-tetrafluoropropene; (b) separating the product obtained in Step (a) into Component A containing 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne, and Component B containing 1,3,3,3-tetrafluoropropene; (c) separating 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne contained in Component A obtained in Step (b) into each compound; (d) conducting a dehydrofluorination reaction by heating Component B obtained in Step (b) in the presence of a catalyst; (e) separating the product obtained in Step (d) into Component C containing 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne, and Component D containing 1,3,3,3-tetrafluoropropene; (f) separating 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne contained in Component C obtained in Step (e) into each compound; and (g) conducting a dehydrofluorination reaction by heating Component D obtained in Step (e) in the presence of a catalyst. The present invention provides an effective and industrially applicable process for preparing 2,3,3,3-tetrafluoropropene. | 08-18-2011 |
| 20110288346 | PROCESS FOR CIS 1,1,1,4,4,4-HEXAFLUORO-2-BUTENE - Disclosed is a process for preparing cis-1,1,1,4,4,4-hexafluoropropene comprising the steps of (a) reacting CCl | 11-24-2011 |
| 20130150633 | PROCESS FOR MAKING CIS-1-CHLORO-3,3,3-TRIFLUOROPROPENE - Disclosed is a process for making cis-1-chloro-3,3,3-trifluoropropene comprising reacting 3,3,3-trifluoropropyne with HCl in a reaction vessel at a yield of at least about 80%. | 06-13-2013 |
| 20140179960 | SYNTHESIS OF 1-BROMO-3,3,3-TRIFLUOROPROPENE - In accordance with the present invention, processes for producing bromofluoropropenes in commercial quantities by reacting 3,3,3-trifluoropropyne with hydrogen bromide at elevated temperatures are provided. | 06-26-2014 |
| 20160039728 | INTEGRATED PROCESS FOR THE PRODUCTION OF Z-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE - The present invention provides an efficient and cost effect synthesis route from a specific starting material of 2,3-dichloro-1,3-butadiene to the desired product of Z-1,1,1,4,4,4-hexafluoro-2-butene. | 02-11-2016 |
