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| Number | Title | Issue Date |
| 7868192 | Process for producing glycidol The present invention relates to a process for producing glycidol from glycerol carbonate by subjecting the glycerol carbonate to decarboxylation reaction in the presence of a solvent containing no active hydrogen. In the process, glycidol can be produced from glyce... | 01/11/2011 |
| 7485736 | Process for producing α-methylstyrene A process for producing α-methylstyrene from cumyl alcohol via dehydration in the presence of activated alumina, wherein a concentration of propylene oxide contained in a raw material containing cumyl alcohol is 10 to 1000 ppm by weight. ... | 02/03/2009 |
| 7449590 | Process for preparation of propylene oxide A process for producing propylene oxide, which comprises the following steps below, and a step for removing alcohols of the carbon number of 2 to 3, cyclohexanol and/or isopropylcyclohexane outside of the reaction system in at least one place of the steps or between... | 11/11/2008 |
| 7332139 | Process and device for carrying out reactions in reactor with slot-shaped reaction spaces Reactions between at least two fluid reactants are performed in a reactor comprising wall elements (1), slot-shaped reaction spaces (3) and cavities (5) for conducting a fluid heat-carrier through. Depending on the process and throughput, a modu... | 02/19/2008 |
| 7256300 | Stereoselective synthesis of certain trifluoromethyl-substituted alcohols A process for stereoselective synthesis of a compound of Formula (X) or Formula (X′) wherein R1, R2, and R3 are as defined herein, the process comprising: (a) react... | 08/14/2007 |
| 7153986 | Method for producing propylene oxide A method is provided for producing propylene oxide, wherein propylene is reacted with hydrogen peroxide in the presence of an organic solvent and a crystalline titanosilicate catalyst having an MWW structure containing Ti, the Ti having been incorporated during crys... | 12/26/2006 |
| 7094915 | Biphasic process for epoxidation of olefinic compound using chromate or dichromate catalyst The present invention relates to a biphasic process for the epoxidation of an organic compound by organic compound by organic hydroperoxide. More particularly, the present invention relates to a biphasic process for the epoxidation of an organic compound by organic ... | 08/22/2006 |
| 7078543 | Methods for producing oxirane carboxylic acids and derivatives thereof The invention relates to processes for preparing oxiranecarboxylic acids and derivatives thereof, in particular to processes which proceed under stereochemical control of the reaction steps, to the oxiranecarboxylic acids prepared according to the invention and deri... | 07/18/2006 |
| 7078414 | Derivatives of 3-guanidinocarbonyl-1-heteroaryl-pyrrole, preparation process and intermediates of this process, their use as medicaments, and pharmaceutical compositions comprising them The present invention relates to 3-guanidinocarbonyl-1-heteroaryl-pyrrole derivatives of formula (I) wherein R1 to R3 and Ar are as defined herein, pharmaceutical compositions comprising such derivatives, methods of treatment comprising adminis... | 07/18/2006 |
| 7018948 | Activation and regeneration of a hydro-oxidation catalyst A process of activating a fresh catalyst or regenerating a deactivated catalyst which is used in a hydro-oxidation process, preferably, the hydro-oxidation of an olefin in the presence of oxygen and hydrogen to an olefin oxide. The hydro-oxidation catalyst preferabl... | 03/28/2006 |
| 7011807 | Supported catalysts having a controlled coordination structure and methods for preparing such catalysts Supported reactive catalysts having a controlled coordination structure and methods for their production are disclosed. The supported catalysts of the present invention are useful for the preparation of hydrogen peroxide with high selectivity in addition to other ch... | 03/14/2006 |
| 6841667 | Nucleophilic kinetic resolution of cyclic substrates using silyl azides The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a stereoisome... | 01/11/2005 |
| 6828449 | Use of a settling accelerator in epoxidation Settling times of a catalyst in the epoxidation of a cyclic, at least monounsaturated alkene are improved by a method, comprising epoxidizing a cyclic, at least monounsaturated alkene having from 8 to 20 carbon atoms in the ring in a reaction medium containing an ox... | 12/07/2004 |
| 6825366 | Process for the epoxidation of olefins using gold-containing catalyst The invention is directed towards a process for the epoxidation of olefins, using molecular oxygen and hydrogen, characterized in that, as catalyst, a compound comprising gold, preferably in nanometer size, on a support material, in which the support material is com... | 11/30/2004 |
| 6812357 | Method for producing epoxides by oxidizing olefins The invention relates to a new method for producing epoxides by oxidizing olefins in a homogeneous gas phase reaction, wherein ozone and NO2 and/or NO are reacted with the desired olefin under mild reaction conditions and without a catalyst. The inventive... | 11/02/2004 |
| 6800766 | Hydrolytic kinetic resolution of cyclic substrates The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a stereoisome... | 10/05/2004 |
| 6693205 | Process for preparing optically active epoxides The invention concerns a process for the production of optically active epoxides useful as pharmaceutical intermediates, particularly in the field of HIV protease inhibitors. The optically active epoxides are produced in commercially acceptable yields fro... | 02/17/2004 |
| 6677465 | Method for the enantioselective preparation of 3,3-diphenyl-2,3-epoxy propionic acid esters The invention relates to a process for the enantioselective preparation of glycide ester (I) by (a) dihydroxylation of a corresponding 3-phenyl cinnamate (II) by osmium (VIII) oxide catalysis in the presence of a Sharpless ligand and an oxidizing agen... | 01/13/2004 |
| 6631021 | Polyfunctional thiirane compounds Describes novel polyfunctional thiiranes. Also described are polymerizable compositions comprising such novel polyfunctional thiiranes, and polymerizates, e.g., optical lenses, prepared therefrom. The described polymerizates may have a refractive index of... | 10/07/2003 |
| 6627685 | Lightfast epoxy resin A lightfast epoxy resin is formed by phosgenating Bisphenol A by reaction with phosgene to produce Bisphenol A bischloroformate. The Bisphenol A bischloroformate is then reacted with either epichlorohydrin, glycidol or pinacol and another chemical to prod... | 09/30/2003 |
| 6586564 | Double-metal cyanide catalysts for preparing polyether polyols The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC c... | 07/01/2003 |
| 6576214 | Catalytic direct production of hydrogen peroxide from hydrogen and oxygen feeds A process for catalytically directly producing hydrogen peroxide (H2 O2) product from hydrogen and oxygen-containing feeds by contacting them with a supported noble metal phase-controlled catalyst and a suitable organic liquid solven... | 06/10/2003 |
| 6509485 | Preparation of epoxides from alkanes using lanthanide-promoted silver catalysts A process is provided for use in the conversion of alkanes into alkylene oxides, having particular utility in the conversion of propane to form propylene oxide, using a lanthanide-promoted, supported, silver catalyst prepared via precipitation. A preferre... | 01/21/2003 |
| 6504038 | Process for the preparation of styrene and propylene oxide A process for the joint preparation of styrene and propylene oxide comprising the steps of: (a) reacting ethane and benzene to form ethylbenzene; (b) reacting ethylbenzene with oxygen or air to form ethylbenzene hydroperoxide; (c) reacting at least part o... | 01/07/2003 |
| 6500968 | Process for selective oxidation of organic feedstocks with hydrogen peroxide A process for producing oxidized organic chemical products such as propylene oxide from various organic chemical feedstocks utilizing as oxidant directly produced hydrogen peroxide (H2 O2) intermediate oxidizing agent. The hydrogen p... | 12/31/2002 |
| 6500969 | Integrated hydrogen peroxide production and organic chemical oxidation A process for producing oxidized organic chemical products from various organic chemical feedstocks utilizing as oxidant hydrogen peroxide (H2O2) produced by noble metal nanocatalysis with high selectivity at low hydrogen concentration. The organic chemic... | 12/31/2002 |
| 6495703 | Process for the preparation of glycerol carbonate The present invention provides a simple and inexpensive process for preparing glycerol carbonate. Namely, according to the present invention, glycerol carbonate is prepared by reacting glycerol with urea.... | 12/17/2002 |
| 6452026 | Process for producing optically active threo-3-amino-1,2-epoxy compounds Highly pure optically active threo-3-amino-1,2-epoxy compounds appropriate for materials for manufacturing drugs and a process for producing the same on an industrial scale. An optically active threo-3-amino-1,2-diol derivative is subjected in an organic ... | 09/17/2002 |
| 6448414 | Hydrolytic kinetic resolution of cyclic substrates The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a ... | 09/10/2002 |
| 6407150 | Processes for producing phenolic resin and epoxy resin A process for producing phenol resin having good color tone, which process comprises reacting hydroxyl group-containing aromatic compound and unsaturated cyclic hydrocarbon under the condition that the moisture is 100 ppm or less and the concentration of ... | 06/18/2002 |
| 6376685 | Process for producing optically active threo-3-amino-1,2-epoxy compounds Highly pure optically active threo-3-amino-1,2-epoxy compounds appropriate for materials for manufacturing drugs and a process for producing the same on an industrial scale. An optically active threo-3-amino-1,2-diol derivative is subjected in an organic ... | 04/23/2002 |
| 6353122 | Method for epoxidation of 3-methylenecyclopropanes The present invention provides a process for the expoxidation of a protected 3-methylene-(trans)-1,2,-hydroxymethylcyclopropane with cyclohexanone and potassium peroxymonosulfate and subsequent rearrangement to provide the corresponding cyclobutanone.... | 03/05/2002 |
| 6313060 | Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof A resilient polyurethane foam produced by using a polyether polyol produced by reacting alkylene oxides with a polyhydroxy compound having at least 2 hydroxyl groups as an initiator in the presence of the catalyst for alkylene oxide ring-opening polymeriz... | 11/06/2001 |
| 6288248 | Epichlorohydrin-based product and process for manufacturing this product Epichlorohydrin-based product containing at least 99.9% by weight of epichlorohydrin and a total amount of chloro impurities of less than or equal to 150 ppm by weight, and process for manufacturing this product by reaction of allyl chloride with a peroxi... | 09/11/2001 |
| 6262278 | Stereoselective ring opening reactions The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a ... | 07/17/2001 |
| 6235870 | Dehydrohalogenation of poly (phenylhalo-b-hydroxypropyl ether) to form polyepoxide Process for the preparation of compounds of the formula ##STR1## wherein Hal represents chlorine, bromine or iodine and preferably chlorine, wherein Ra represents hydrogen or a residue comprising one or more additional groups of the formula, ... | 05/22/2001 |
| 6232478 | Process for the preparation of chiral 3,4-epoxybutyric acid and the salt thereof The present invention relates to a process for the preparation of chiral 3,4-epoxybutyric acid expressed by formula (1) and the salt thereof, wherein (S)-3-activated-hydroxybutyrolactone expressed by formula (2) is subjected to a ring-opening reaction to ... | 05/15/2001 |
| 6229023 | Process for cooxidizing organic compounds, process for producing epoxy compounds and process for producing esters or lactones According to the inventive co-oxidation process of organic compounds, (A) a compound selected from (A1) a compound having a non-aromatic ethylenic bond and (A2) a ketone or an alcohol corresponding to the ketone is oxidized by molecular oxygen in the pres... | 05/08/2001 |
| 6204357 | Double metal cyanide catalysts for preparing poly-etherpolyols The invention is directed to new double metal cyanide (DMC) catalysts, a process for the preparation of these catalysts, and to a process for the preparation of polyetherpolyols by the polyaddition of alkylene oxides to starter compounds which contain act... | 03/20/2001 |
| 6156915 | Reactive and durable anti-static agent and method of preparing the same A reactive and durable anti-static agent and the method of preparing the anti-static agent comprises: a compound with an amine group and a compound with an epoxide group added into the flask, stirred under the gradual raised temperature, reacted into an a... | 12/05/2000 |
