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| Number | Title | Issue Date |
| 7405332 | Chemical process The invention provides a process for preparation of a fluorohaloalkane, preferably an [18F]fluorohaloalkane of formula (I) wherein X is halo and n is an integer of from 1 to 6; which comprises: reaction of the corresponding organosilicon compound of formu... | 07/29/2008 |
| 7351452 | Liquid crystalline compounds containing a biphenyl core A compound of formula (I) or a dimer thereof; where R1 and R2 are independently selected from optionally substituted alkyl, optionally substitituted alkenyl, optionally substit... | 04/01/2008 |
| 7230147 | Process for functionalizing a double bond The invention concerns a method for functionalizing a double bond and, more particularly, a double bond bearing a metalloid atom. Said functionalization is produced by the action of perhalogenated sulphonyl chloride on the carbon bearing sulphur in the presence of a... | 06/12/2007 |
| 7132578 | One-step synthesis of CF-1 A process for the preparation of trifluoromethyl iodide is provided. The process includes the step of contacting in a reactor a compound represented by the formula: CF3—W and a compound represented by the for... | 11/07/2006 |
| 6977316 | Direct one-step synthesis of trifluoromethyl iodide A catalytic one-step process for the production of CF3I by reacting, preferably in the presence of a source of oxygen, a source of iodine with a reactant of the formula: CF3R where R is —SH, —S—S—CF3, —S... | 12/20/2005 |
| 6955789 | Coated liquid phase reactor The present invention relates to a reactor suitable for liquid-phase fluorination and provided, as heating means, with at least one element fixed to the cover so as to be immersed to the bottom of the vessel, characterized in that the parts of said reactor that are ... | 10/18/2005 |
| 6872861 | Process for preparing polyfluoroalkylithium compounds The invention relates to a process for preparing polyfluoroalkyl-lithium compounds by deprotonation of polyfluoroalkyl compounds by means of lithium bases. ... | 03/29/2005 |
| 6818800 | Methods for providing low-molecular radicals, radical-carrying molecules, a polymerization catalyst containing them and processes for polymerization and polymers produced thereby The present invention is to provide a method for providing a low-molecular radical which comprises releasing a radical having a lower molecular weight from a super-stable perfluoroalkyl-based radical followed by generating the above super-stable perfluoroalkyl-based... | 11/16/2004 |
| 6783812 | Alkyl silane liquid crystal compounds Compounds useful as components of LC and FLC compositions which in turn are useful in the manufacture of optical devices. Compounds of this invention have a silane tail, which can contain more than one Si. Compounds of this invention can include those with disilane ... | 08/31/2004 |
| 6784327 | Process for the production of fluorinated organic compounds and fluorinating agents A process for the production of a fluorinated organic compound, characterized by fluorinating an organic compound having a hydrogen atoms using IF5; and a novel fluorination process for fluorinating an organic compound having a hydrogen atoms by using a f... | 08/31/2004 |
| 6770789 | Process for trifluoromethylation of sulfates The subject invention relates to a process for the trifluoromethylation of sulfates, including cyclic and acyclic sulfates. The subject invention further pertains to the compounds produced by the trifluoromethylation of sulfates. ... | 08/03/2004 |
| 6737124 | Liquid crystal compounds having a silane tail with a perfluoroalkyl terminal portion Chiral nonracemic, chiral racemic and achiral compounds useful as component of LC compositions which have a silane tail group which is partially fluorinated. The silane tail group comprises a perfluoroalkyl group. The silane tail group of this invention has the form... | 05/18/2004 |
| 6452057 | Process for preparing halohydrocarbons in the presence of a co-catalyst Halohydrocarbons comprising at least 3 carbon atoms are obtained by batchwise reaction between a haloalkane and an olefin in the presence of a catalyst and a co-catalyst. The addition of at least some of the co-catalyst is carried out gradually. At least ... | 09/17/2002 |
| 4009214 | Separation of hydrogen fluoride from hydrogen chloride gas Hydrogen chloride gas, containing hydrogen fluoride and/or silicon tetrafluoride, is contacted with calcium chloride supported on activated alumina, to separate the hydrogen fluoride and/or silicon tetrafluoride therefrom.... | 02/22/1977 |
