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| Number | Title | Issue Date |
| RE42931 | Covalent tethering of functional groups to proteins A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrola... | 11/15/2011 |
| 7482498 | Device and process for nucleophilic fluorination The invention relates to a device and a process for nucleophilic fluorination of a substance, especially for synthesis of an 18F-labeled substance for examination using a positron emission tomograph. The device comprises an anion exchange device (102 | 01/27/2009 |
| 7465841 | Method and device for purifying 1,4-bis (bromodifluoromethyl) benzene A method and a device for purifying 1,4-bis(bromodifluoromethyl)benzene are disclosed. In order to solve the problem of hard to purify and separate 1,4-bis(bromodifluoromethyl)benzene crude products, diphenylmethane that has a higher boiling point and does not inter... | 12/16/2008 |
| 7425436 | Covalent tethering of functional groups to proteins and substrates therefor A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrola... | 09/16/2008 |
| 7371904 | Processes for synthesis of 1,3,3,3-tetrafluoropropene Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene which comprises, in one embodiment, reacting a compound of CF3X1 with a compound of CX2H═CHX3, wherein X1, X2, and X3 | 05/13/2008 |
| 7262323 | Method for producing high purity terephthalic acid A method for producing high purity terephthalic acid wherein a slurry having an acetic acid solvent and, dispersed therein, crude terephthalic acid crystals which has been prepared by subjecting a p-alkyl benzene to a liquid phase oxidation in a solvent of acetic ac... | 08/28/2007 |
| 7238842 | Covalent tethering of functional groups to proteins A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrola... | 07/03/2007 |
| 7223891 | Solid-phase preparation of [F] fluorohaloalkanes The invention relates to a process for the production of an [18F]fluorohaloalkane which comprises treatment of a solid support-bound precursor of formula (I): SOLID SUPPORT-LINKER-SO2—O—(CH2)nX (I) wherein n is an inte... | 05/29/2007 |
| 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 |
| 7102041 | Continuous process for preparing halogenated compounds A process for preparing a haloalkane comprising: (a) contacting a haloalkane starting material with an alkene in the presence of an effective amount of a catalyst complex under conditions effective to facilitate an addition reaction and to form a product stream comp... | 09/05/2006 |
| 7094934 | Production process of hydrofluorocarbons In a process for producing a hydrogen-containing fluorinated hydrocarbon in which a halogenated hydrocarbon reaction raw material, which includes a chlorinated alkene and/or a hydrogen-containing chlorinated alkane, is subjected to a fluorination reaction with hydro... | 08/22/2006 |
| 7090812 | Phase transfer catalysis scrubber A method and system for reactively destroying alkyl halides in volume or stream of gas. The method and device employ nucleophilic reaction of the alkyl halide under phase transfer catalysis conditions. The method and system are useful for scrubbing applications requ... | 08/15/2006 |
| 7078574 | Method for the intrinsically safe handling of 3-chloropropyne A method is provided for the intrinsically safe handling of 3-chloropropyne in the presence of a diluent with a boiling point ranging from −50° C. (223 K) to 200° C. (473 K) under atmospheric pressure, wherein the concentration of 3-chloropropyne in the liquid p... | 07/18/2006 |
| 7071368 | Method of making 1,1,1-trifluoroethane A process for producing 1,1,1-trifluoroethane (HFC-143a) which process comprises reacting hydrogen fluoride with vinylidene chloride along with one or more of 1,1,-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b) and 1,1,1-trichloroethane... | 07/04/2006 |
| 7071367 | Direct one-step synthesis of CF-I The present invention provides a process for the preparation of trifluoromethyl iodide. The process includes the step of: contacting in a reactor a compound represented by the formula: CF3—W and a compound represented by the formula:... | 07/04/2006 |
| 7067705 | Process for the preparation of 1,1-dichloro-3,3,3-trifluoropropane A convenient and economical process for the preparation of 1,1-dichloro-3,3,3-trifluoropropane (HCFC-243) by the reaction of 1,1,1,3,3-pentachloropropane (HCC-240) with hydrogen fluoride in the presence of an activated hydrofluorination catalyst. Also, the selective... | 06/27/2006 |
| 7018840 | Fluorescent metal sensors, and methods of making and using the same The present invention is directed, in part, to fluorescent metal sensors for detecting metal ions, and methods of making and using the same. ... | 03/28/2006 |
| 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 |
| 6958424 | Process for fluoroalkenes Disclosed is a process for producing fluoroalkene of the formula Rf—CH═CH2 from a fluorohaloalkene having the formula Rf—C(R1)═C(R2)H, wherein Rf is fluorine or a substituted or unsubstituted ... | 10/25/2005 |
| 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 |
| 6946559 | Method of converting functional group through halogen-metal exchange reaction A method by which a halogen atom of a halogen compound can be efficiently replaced with an electrophilic group. Also provided are: a reagent for converting a functional group through a halogen-metal exchange reaction, characterized by comprising either a mixt... | 09/20/2005 |
| 6800788 | Fluorine-containing compounds and polymers derived therefrom Provided are fluorine-containing compounds, and polymers derived therefrom, for use in compositions used for treating textile substrates. Also provided are methods of making fluorine-containing compounds and polymers derived therefrom, compositions comprising the co... | 10/05/2004 |
| 6781021 | Method for isomerizing halogenated aromatics A catalyst composition with a high halogenated aromatics isomerization activity, a halogenated aromatic isomerization method using said catalyst composition, and a halogenated aromatics isomerization method capable of prolonging the life or regeneration period of th... | 08/24/2004 |
| 6759381 | Azeotrope-like compositions of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene Provided are azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene that are useful as an intermediate in the production of HFC-245fa. HFC-245fa is useful as a nontoxic, zero ozone depleting fluorocarbon... | 07/06/2004 |
| 6605409 | Positive resist composition A positive resist composition comprising (A) a compound generating a specific sulfonimide compound by irradiation with an actinic ray or a radiation and (B) a resin having a group, which is decomposed by the action of an acid to increase the solubility of... | 08/12/2003 |
| 6573404 | Method for producing ortho-alkylated benzoic acid derivatives The invention relates to a process for the preparation of ortho-alkylated benzoic acid derivatives of the formula I ##STR1## characterized in that an aryl bromide of the formula II ##STR2## is reacted with a secondary or tertiary organolithium compound an... | 06/03/2003 |
| 6558871 | Photocurable composition containing iodonium salt compound A photopolymerization initiator comprising an iodonium salt compound; and a photocurable composition containing the compound. The composition is a photocurable cationic composition which cures in a short time upon irradiation with actinic energy rays. The... | 05/06/2003 |
| 6548705 | Compound compatible with inorganic solids, and with homopolymers and copolymers of propylene and of ethylene Disclosed is a compound comprising a saturated oligomer of isoprene bonded to a polar group, said compound having formula (I): ##STR1## in which R is H or a C1 -C4 alkyl, n is 2-17, and R' is a radical selected from the group consist... | 04/15/2003 |
| 6488838 | Chemical reactor and method for gas phase reactant catalytic reactions The present invention is a chemical reactor and method for catalytic chemical reactions having gas phase reactants. The chemical reactor has reactor microchannels for flow of at least one reactant and at least one product, and a catalyst material wherein ... | 12/03/2002 |
| 6416928 | Onium salts, photoacid generators, resist compositions, and patterning process Onium salts of substituted phenylmethylbenzene-sulfonate anions with iodonium or sulfonium cations are novel. A chemically amplified resist composition comprising the onium salt as a photoacid generator is suited for microfabrication, especially by deep U... | 07/09/2002 |
| 6395700 | Process for the preparation of compounds having -CH2-CHF-groups Compounds each having a --CH2 --CHF-- group and a number of carbon atoms of 4 or above are prepared by hydrogenating a compound having a --CCl.dbd.CF-- group and a number of carbon atoms of 4 or above in the presence of a noble metal catalyst i... | 05/28/2002 |
| 6297410 | Process for the preparation of cyclopropylacetylene The present invention relates generally to novel methods for the synthesis of cyclopropylacetylene which is an essential reagent in the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one; a... | 10/02/2001 |
| 6184392 | Process for preparing 3-isochromanone 3-Isochromanome is prepared by reacting an o-xylene-,'-dihalide with carbon monoxide and water in the presence of a metal catalyst such that the pH of the reaction is maintained between about 7 and 11.... | 02/06/2001 |
| 6017861 | Mild antimicrobial liquid cleansing formulations comprising polyvalent cation or cations for improving antimicrobial effectiveness The present invention relates to liquid skin cleansing compositions comprising (1) mild surfactant systems; (2) 0.1 to 10% by wt. of a polyvalent cation or cations selected from the group consisting of zinc, copper, tin, aluminum cobalt, nickel, chromium,... | 01/25/2000 |
| 5914432 | Hydrogenation of halogenated compounds A halogenated compound (I) containing one or more >C.dbd.O, olefinic and/or aromatic >C.dbd.C< groups is hydrogenated for producing a halogenated compound (II) having no or a decreased level of >C.dbd.O, olefinic and/or aromatic >C.dbd.C< groups. In the h... | 06/22/1999 |
| 5831102 | Chemiluminescent 3-(substituted adamant-2'-ylidene) 1,2-dioxetanes Enzymatically cleavable chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature before a bond by which an enzymatically cleavable labile substituent thereof is intentionally clea... | 11/03/1998 |
| 5780695 | Process for the selective saturation of olefin-containing halogenated organic streams A process for saturating an olefin-containing halogenated organic stream to produce saturated halogenated organic compounds while minimizing the hydrodehalogenation of the organic compounds.... | 07/14/1998 |
| 5716590 | Catalytic hydrodehalogenation of halogen-containing compounds of group IV elements Catalytic dehalogenation (or hydrodehalogenation) of halogen-containing compounds of elements of group IV of the periodic table in the presence of hydrogen is carried out using a finely-dispersed catalytically active material which comprises silicon and a... | 02/10/1998 |
| 5705779 | Preparation of 1,1,1,3,3-pentachloropropane by photochlorination of 1,1,1,3-tetrachloropropane A process for the preparation of 1,1,1,3,3-pentachloropropane (HCC-240fa). HCC-240fa is prepared by the photochlorination of 1,1,1,3-tetrachloropropane (HCC-250). HCC-240fa is an important intermediate in the preparation of 1,1,1,3,3-pentafluoropropane ... | 01/06/1998 |
| 5705728 | Process for the production of ethylene and mixture containing ethylene The present invention provides an efficient process for the production of ethylene or a mixture of ethylene and vinyl chloride, in which some 1,2-dichloroethane (EDC) may also be produced, by reacting chlorine with ethane. The process is characterized by ... | 01/06/1998 |
