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| Number | Title | Issue Date |
| 4634797 | Coupling of chloroperfluoroalkanes A process for the coupling of a chloroperfluoroalkane having a --CFCl2 moiety which comprises heating the alkane at a temperature of about 150° to 260° C. in the presence of at least about 0.1 times the molar amount each of copper and zinc at... | 01/06/1987 |
| 4618718 | Preparation of trifluoroethylamine In the reaction of a 2,2,2-trifluoroethyl halide with ammonia to produce 2,2,2-trifluoroethylamine, the improvement which comprises effecting the reaction with from about 1 to 3 moles of ammonia per mole of the trifluoroethyl halide at a temperature of ab... | 10/21/1986 |
| 4605802 | Production of 1,1,1,3-tetrachloropropane In the reaction of carbon tetrachloride with ethylene in the presence of a catalyst comprising a phosphite ester and an iron-containing material to produce 1,1,1,3-tetrachloropropane, the improvement which comprises employing powdered iron as the iron-con... | 08/12/1986 |
| 4434297 | Process for the preparation of trifluoroethanol A process for the preparation of 2,2,2-trifluoroethanol which comprises reacting 2-chloro-1,1,1-trifluoroethane with an alkali metal salt of a carboxylic acid in a substantially anhydrous aprotic solvent thereby to form the carboxylic acid ester of 2,2,2-... | 02/28/1984 |
| 4307259 | Preparation of tetrabromotetrachloroperfluorododecanes A substantially pure mixture of tetrabromotetrachloroperfluorododecanes of the empirical formula C12 Br4 Cl4 F18, of which the isomer ##STR1## is a significant part, is prepared by oligomerizing bromotriflu... | 12/22/1981 |
| 4138355 | Fluorine substitution in 1,1,1-trihalomethanes Fluorine is substituted for other halogen atoms on the 1-carbon atom of a compound which contains a 1,1,1-trihalomethyl group (trichloromethyl) by contacting said compound or a precursor thereof with liquid HF in the presence of a mixture of antimony pent... | 02/06/1979 |
| 4098905 | Trifluoroethanol as a male contraceptive The ability of a male to impregnate a female is reversibly effected by administering to the male, preferably daily in pill form, an effective amount of a trihalomethyl-containing lower alkanol, aldehyde, acid, amine, ether, or the like, or a derivative su... | 07/04/1978 |
| 4078007 | Fluorine substitution in 1,1,1-trihalomethanes Fluorine is substituted for other halogen atoms on the 1-carbon atom of a compound which contains a 1,1,1-trihalomethyl group (trichloromethyl) by contacting said compound or a precursor thereof with liquid HF in the presence of a mixture of antimony pent... | 03/07/1978 |
