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| Number | Title | Issue Date |
| 7928271 | Process for producing 1,2,3,3,3-pentafluoropropene and related azeotropic compositions A process for making CHF═CFCF3 is disclosed. The process involves (a) reacting CCl2FCF2CF3 with H2 in the presence of a catalytically effective amount of hydrogenation catalyst to form CH2FCF2 | 04/19/2011 |
| 7407691 | Photopolymerizable oxetane derivative and liquid-crystal composition containing it Provided are a liquid-crystal compound and a liquid-crystal composition containing the compound, of which the advantages are that they show nematic hybrid orientation on a rubbed TAC substrate, they are polymerizable in open air and they readily give a polymer havin... | 08/05/2008 |
| 7335803 | Methods and compositions for modulating alpha adrenergic receptor activity Methods and compositions for the treatment of pain and intraocular pressure. Particularly disclosed are new compositions for the treatment of chronic pain, glaucoma and methods for their use. ... | 02/26/2008 |
| 7301059 | Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives Hexafluoroisobutylene and its higher homologs are easily reacted with SO3 to give fluorosulfates of the formula CH2═C(R)CF2OSO2F, wherein R is a linear branched or cyclic fluoroalkyl group comprised of 1 to 10 carbon ato... | 11/27/2007 |
| 7220784 | Substituted stilbenes and their reactions The present invention relates to stilbene and quinone compounds related to combretastatin A-4 and their use as anticancer compounds and prodrugs. The compounds include those with an alkyl group on the double bond of cis or trans-stilbenes, compounds with one or more... | 05/22/2007 |
| 7176337 | Process for producing perfluorocarbons and use thereof The process for producing perfluorocarbons according to the present invention is characterized in that in the production of a perfluorocarbon by contacting an organic compound with a fluorine gas, the organic compound is contacted with the fluorine gas at a temperat... | 02/13/2007 |
| 6992229 | Method for purifying a fluorinated hydroxyl compound The present invention has an object to provide a method for purifying a fluorinated hydroxyl compound of the formula 1 safely in a high yield under industrially practical conditions. Namely, a mixture containing a fluorinated hydroxyl compound of Rf—CR | 01/31/2006 |
| 6921832 | Optically active fluorine-containing compounds and processes for their production Optically active fluorine-containing compounds of the formula (1): or of formula (2): are used for producing optically active 3,3,3-trfluoro-2-hydroxy-2-methylpropionic a... | 07/26/2005 |
| 6900362 | Vapor phase production of 1,1,1,2,3,3,3-heptafluoropropane from hydrogen fluoride and hexafluoropropylene A process for the production of HFC-227ea from HF and HFP is provided. This process takes advantage of an azeotropic composition of HF and HFC-227ea in order to produce HFC-227ea essentially free of HF and recycle unreacted HF back to the reactor. The recycle of sai... | 05/31/2005 |
| 6858752 | Process for producing fluorinated polyvalent carbonyl compound A fluorinated polyvalent carbonyl compound is produced by an economically advantageous method from inexpensive materials without requiring a complicated synthetic process step. Namely, the present invention comprises reacting a polyvalent alcohol having at least two... | 02/22/2005 |
| 6753444 | Method for producing 2,3,5,6-tetrahalogen-xylyidene compounds The invention relates to a process for preparing 2,3,5,6-tetrahaloxylylidene compounds of formula (I) where each Hal is independently fluorine or chlorine, and X is fluorine, chlorine, bromine, —O—R, or —O—C(═O... | 06/22/2004 |
| 6749756 | Reaction and separation methods A method of separating compounds that includes the steps of: tagging at least a first organic compound with a first tagging moiety to result in a first tagged compound; tagging at least a second organic compound with a second tagging moiety different from the first ... | 06/15/2004 |
| 6710214 | Highly branched perfluoroolefins, super-stable perfluoroalkyl radicals and production methods thereof The present invention is to provide a method for producing a highly branched perfluoroolefin conveniently in a high yield, a novel highly branched perfluoroolefin, a method for producing a super-stable perfluoroalkyl radical and a novel super-stable perfluoroalkyl r... | 03/23/2004 |
| 6689923 | Perfluoroolefin-hydrocarbon hybrid compound, method of producing the same and method of producing perfluoroalkyl radical The present invention provides a perfluoroolefin-hydrocarbon hybrid compound represented by the following general formula (1): [(CF3)2 CX][(CF3)2 CY]C.dbd.C(CF3)Z (1) wherein X, Y and Z may be the same or dif... | 02/10/2004 |
| 6670514 | Fluorinated polycycles and their use in liquid-crystal mixtures Compounds of the formula (I) ##STR1## in which: R1 is H, F, CF3, OCF3, OCF2 H, OCFH2, an alkyl radical or an alkenyl radical; R2 is H, an alkyl radical or alkyloxy radical or an alkenyl ... | 12/30/2003 |
| 6506806 | Reduction of surface tension A composition for reducing surface tension comprising from about 0.1% to about 0.5% by weight of a hydrocarbon surfactant and from 0.0001% to about 0.3% by weight of a fluorocarbon surfactant, provided that the hydrocarbon surfactant is present at less th... | 01/14/2003 |
| 6392097 | Process for the preparation of derivatives of octafluoro-[2,2] paracylophane Processes for the preparation of parylene dimers, and more particularly to processes for the preparation of derivatives of octafluoro-[2,2]paracylophane, otherwise known as AF4.... | 05/21/2002 |
| 6388146 | Polymerizable compound, polymerizable resin composition, cured polymer and liquid crystal display device The polymerizable compound of this invention is represented by general formula (I): ##STR1## where R is H, R', R'O, R'COO, or R'OCO, R' is a linear or branched alkyl group or alkenyl group having 1 to about 15 carbon atoms, A1 and A2 | 05/14/2002 |
| 6383454 | Fluorination A process for fluorinating a hydrocarbon substrate is by mixing it with an inert diluent and mixing the diluted substrate with a gaseous fluorinating reagent to form a foam reaction mixture. The fluorinating reagent reacts with the substrate in the form t... | 05/07/2002 |
| 6252099 | Fluorocarbon manufacturing process A process is disclosed for increasing the fluorine content of an olefinic compound of the formula Cn Hm F2n-m, where n is an integer from 2 to 6 and m is an integer from 1 to 2n. The process involves (a) contacting the ole... | 06/26/2001 |
| 6242658 | Process for the manufacture of fluorine-substituted hydrocarbons Processes involving certain nickel metallacycles with phosphite ligands are disclosed as useful for the manufacture of selected substituted hydrocarbons. Also disclosed are selected compounds including both nickel and phosphite ligands.... | 06/05/2001 |
| 6242645 | Thermally stable aminosulfur trifluorides Diaryl-, dialkoxyalkyl-, alkylalkoxyalkyl-, arylalkoxyalkyl- and cyclic aminosulfur trifluorides fluorinating agents are disclosed.... | 06/05/2001 |
| 6229057 | Chlorination process There is provided a process for the preparation of 1,1,1-trichlorotrifluororethane in which 1,1-dichloro-2,2,2-trifluoroethane is subjected to chlorination by bringing the 1,1-dichloro-2,2,2-trifluoroethane into contact with chlorine within a reactio... | 05/08/2001 |
| 6222064 | Fluorination with aminosulfur trifluorides A fluorination method of oxygen and halogen sites with diaryl-, dialkoxyalkyl-, alkylalkoxyalkyl-, arylalkoxyalkyl- and cyclic aminosulfur trifluorides fluorinating reagents is disclosed.... | 04/24/2001 |
| 6194619 | Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions A catalyic process is disclosed for producing fluorine-substituted hydrocarbon products of the formulae RCH2 CF2 R and RFC.dbd.CHR at an elevated temperature, from compounds of the formula RCHFCHFR, where each R is independently sele... | 02/27/2001 |
| 6184425 | Process for preparing fluorine-containing compounds The present invention relates to a process for preparing fluorine-containing compounds by reacting a compound which contains fluorine-exchangeable halogen with a fluoride or a mixture of fluorides with the formula I MeF (I), in which Me is an alkaline ea... | 02/06/2001 |
| 6166156 | Method for making photocurable halofluorinated acrylates Halofluorinated alkylene monomers are made by a method comprising the steps of: (a) subjecting a first polymer which is the reaction product of a fluorinated vinyl monomer and a vinyl comonomer to dehydrohalogenation to form a second polymer; (b) treating... | 12/26/2000 |
| 6127585 | Catalysts for halogenated hydrocarbon processing, their precursors and their preparation and use Processes are disclosed for decreasing the chlorine to carbon ratio for halogenated hydrocarbons containing chlorine and from 1 to 6 carbon atoms, in the presence of a multiphase catalyst. The processes each involve (1) preparing a single phase solid cata... | 10/03/2000 |
| 6120697 | Method of etching using hydrofluorocarbon compounds A method of etching comprising subjecting a material under plasma etching conditions to an etching composition comprising at least an etchant compound having the formula CX HC FZ wherein: x=3, 4 or 5; 2xࣙzࣙy; and y+z=2x+2; ... | 09/19/2000 |
| 6096926 | Perfluoroalkylation method and reagent therefor The subject-matter of the present invention is a process of use in perfluoroalkylation and a reactant for making use of this process. This process is defined in that it comprises a stage in which a material of formula RfH and a base (or a species capable ... | 08/01/2000 |
| 6040485 | Fluorinated organic compounds, ophthalmological applications thereof and method for making same The invention relates to novel fluorinated organic compounds having the following molecular structure: ##STR1## where RF is a fluorinated carbon chain, R1H is hydrogen or a saturated hydrogenated carbon chain, R2H is ... | 03/21/2000 |
| 5981422 | Fluorous multiphase system Stoichiometric and catalytic chemical transformations may be carried out in solution using novel fluorous multiphase systems (FMS). The term "fluorous" is defined as a carbon-fluorine bond rich organic molecule which is generated by replacing hydrogen ato... | 11/09/1999 |
| 5780672 | Process for the selective preparation of monofluoro derivatives A process for the preparation of compounds of the formula (1) in which R1, R2 and R3 are as defined in the specification, which includes reacting alcohols or carboxylic acids of the formula (2) in which R1, R | 07/14/1998 |
| 5714654 | Method of Producing 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropene A method is proposed for producing 1,1,1,3,3-pentafluoropropane, in which 1,1,3,3,3-pentafluoropropene is reduced at a temperature between 40° C. and 300° C. by reacting it with hydrogen in a gas phase in the presence of a palladium catalyst. Further, a... | 02/03/1998 |
| 5665270 | Optically active trifluorolactic acid derivative and liquid crystal composition An optically active compound derived from a novel trifluorolactic acid, useful as a component of a ferroelectric liquid crystal composition, and a liquid crystal composition. A compound represented by general formula (I), wherein R1 represents ... | 09/09/1997 |
| 5648566 | Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins Monomers of the formula (I) (for example, 3,3,4,4,5,5,6,6-octafluoromethylenecyclopentane) are described, as well as copolymers prepared from them and from one or more monomers copolymerizable with them. ##STR1## wherein n=3 to 5 The compounds a... | 07/15/1997 |
| 5600036 | 2-trifluoromethyl-4-chlorobenzalchloride and 2-methyl-3-nitro-5-chlorobenzotrifluoride useful as intermediates for preparing 2-methyl-3-aminobenzotrifluoride 2-Trifluoromethyl-4-chloro-benzalchloride and 2-methyl-3-nitro-5-chlorobenzotrifluoride, are intermediates in a process of preparing 2-methyl-3-aminobenzo-trifluoride. In this process, 2-trifluoromethyl-4-chlorobenzal-chloride is prepared by chlorinating ... | 02/04/1997 |
| 5498807 | Process for the preparation of aromatic fluoro compounds The invention relates to a process for the preparation of aromatic fluoro compounds of the formula I Fn ArR1 R2 R3 (I) in which Ar is phenyl, naphthyl or pyridyl, R1, R2 and ... | 03/12/1996 |
| 5495034 | Method for preparing -substituted ω-hydroperfluoroalkanes A method for the preparation of -substituted ω-dihydroperluoroalkane derivatives of the general formula H(CF2 CF2)n R wherein R=H or COOH, and n=1-10 is characterized by oxidizing , , ω-trihydro... | 02/27/1996 |
| 5488188 | Process for the preparation of (E)-1-amino-2-(fluoromethylene)-4-(p-fluorophenyl)butane, novel processes for preparing an intermediate thereof, and novel intermediates thereof The present invention relates to a novel process for preparing (E)-1-amino-2-(fluoromethylene)-4-(p-fluorophenyl)butane, also known in the art as (E)-(p-fluorophenethyl)-3-fluoroallylamine, novel intermediates thereof, a novel process for the preparing ... | 01/30/1996 |
