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| Number | Title | Issue Date |
| 7732627 | High-purity cycloaliphatic diepoxy compound and preparation process thereof A high-purity cycloaliphatic diepoxy compound of General Formula (II) is an epoxidized product of a cycloaliphatic diolefinic compound of General Formula (I) having an isomer content as detected in gas chromatography (GC) of 15% or less: | 06/08/2010 |
| 7442843 | Process for producing cumene and process for propylene oxide production including the production process A process for producing cumene by subjecting cumyl alcohol to hydrogenolysis or hydrogenation subsequent to dehydration, which comprises using a palladium-based catalyst as a catalyst for the hydrogenolysis or the hydrogenation, and using hydrogen having a carbon mo... | 10/28/2008 |
| 7381829 | Method for producing propylene oxide A process for producing propylene oxide, which comprises the following steps: oxidation step: a step of obtaining cumene hydroperoxide by oxidizing cumene; epoxidation step: a step of obtaining propylene oxide and ... | 06/03/2008 |
| 7323154 | Titanosilicate, process for its production, and its use in producing oxidized compound A titanosilicate represented by the following compositional formula (1), wherein in the infrared absorption spectrum measured in the dehydrated state, the absorption spectrum has an absorption band having a relative maximum value at 930±15 cm−1: | 01/29/2008 |
| 7304184 | Process for producing allyl-containing compounds An allyl-containing compound represented by following Formula (3): wherein R2, R3, R4, R5 and R6 may be the same as or different from one another and each re... | 12/04/2007 |
| 7273941 | Process of preparing an olefin oxide from olefin and organic hydroperoxide A process of preparing an olefin oxide, preferably propylene oxide, and an alcohol, such as α-ethylphenyl alcohol, the process involving contacting an olefin, such as propylene, and an organic hydroperoxide, such as ethylbenzene hydroperoxide, in the presence of an... | 09/25/2007 |
| 7208447 | Polyamino acid-catalyzed process for the enantioselective epoxidation of α,β-unsaturated enones and α,β-unsaturated sulfones The invention relates to a novel process that makes it possible to epoxidize α,β-unsaturated enones or α,β-unsaturated sulfones with high conversions and enantiomeric excesses in a two-phase system without addition of water in the presence of an organic solvent,... | 04/24/2007 |
| 7161051 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 01/09/2007 |
| 7153971 | Compounds containing oxazolidinone moiety and uses thereof A compound and method for producing an enantiomerically enriched epoxide from an olefin using a chiral ketone and an oxidizing agent is disclosed. In particular, the compound is of the formula: I wherein R1, R2, R3 and R4 ... | 12/26/2006 |
| 7151198 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 12/19/2006 |
| 7119222 | Method for producing allyl compound, and ether or ester compound produced thereby A method for producing an allyl compound having a compositional formula different from that of an allyl starting material compound, which comprises reacting the allyl starting material compound with an oxygen nucleophilic agent in the presence of a catalyst containi... | 10/10/2006 |
| 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 |
| 7067680 | Process for preparing organic hydroperoxide having a reduced amount of contaminants A process for preparing organic hydroperoxide having a reduced content of contaminants, which process involves: (a) oxidation of an organic compound to obtain reaction product containing an organic hydroperoxide; (b) contacting at least par... | 06/27/2006 |
| 7060786 | Heat resistant resin composition and adhesive film A resin composition comprising the associated product of a polyimide resin having phenolic hydroxyl groups in the skeleton with an epoxy resin-curing catalyst, an epoxy resin having at least two glycidyl groups, and an epoxy resin-curing agent has a high bond streng... | 06/13/2006 |
| 7049388 | Process for manufacturing an α-dihydroxy derivative and epoxy resins prepared therefrom A process for manufacturing an α-dihydroxy derivative from an aryl allyl ether wherein such α-dihydroxy derivative can be used to prepare an α-halohydrin intermediate and an epoxy resin prepared therefrom including epoxidizing an α-halohydrin intermediate produc... | 05/23/2006 |
| 7012120 | Reworkable compositions of oxirane(s) or thirane(s)-containing resin and curing agent This invention relates to thermosetting resin compositions useful for mounting onto a circuit board semiconductor devices, such as CSPs, BGAs, LGAs and the like, each of which having a semiconductor chip, such as LSI, on a carrier substrate. The compositions of this... | 03/14/2006 |
| 6906208 | Mesoporous material and use thereof for the selective oxidation of organic compounds A material especially useful for the selective oxidation of hydrocarbons and other organic compounds includes a non-crystalline, porous inorganic oxide having at least 97 volume percent mesopores based on micropores and mesopores, and at least one catalytically acti... | 06/14/2005 |
| 6770766 | Polyamino acid-catalyzed process for the enantioselective epoixdation of α,β-unsaturated enones and α,β-unsaturated sulfones The invention relates to a novel process that makes it possible to epoxidize α,β-unsaturated enones or α,β-unsaturated sulfones with high conversions and enantiomeric excesses in the presence of a water-soluble base, an oxidant, a diastereomer- and enantiomer-en... | 08/03/2004 |
| 6740763 | Thin-film epoxidation of an unsaturated oil or alkyl fatty acid ester A method of epoxidizing an unsaturated compound having a carbon-to-carbon double bond to form an oxirane ring across the double bond comprising adding to said unsaturated compound (a) an organic acid capable of being oxidized to form a peracid; (b) an oxidizing agen... | 05/25/2004 |
| 6686483 | Catalytic asymmetric epoxidation The present invention provides a variety of methods that are based on stereoselective epoxidation of an olefin by an epoxidizing agent derived from a reaction between an oxidizing agent and a chiral ketone. For example, present invention provides methods ... | 02/03/2004 |
| 6504040 | Integrated method for producing epoxides from olefins The invention relates to an integrated process for the preparation of epoxidised olefins. In the first stage, dilute hydrogen peroxide solutions are prepared from the elements hydrogen and oxygen and are reacted in a subsequent liquid-phase epoxidation wi... | 01/07/2003 |
| 6482964 | Process for the preparation of ଲ-isophorone epoxide Process for the selective preparation of ଲ-isophorone epoxide by epoxidation of ଲ-isophorone with organic percarboxylic acids at a water content of less than 5 wt. %.... | 11/19/2002 |
| 6437045 | Powder coating of carboxyl polyester or (poly)methacrylate and cycloaliphatic polyepoxide Powder coating compositions comprise a binder selected from carboxyl-group-containing polyesters, carboxyl-group-containing poly(meth)acrylates and mixtures of the said substances, and one or more epoxy compounds, wherein the epoxy compounds comprise at l... | 08/20/2002 |
| 6409769 | Kinetic resolution of olefins A method for kinetically resolving a stereoisomer mixture of compounds using asymmetric epoxidation is provided. Compounds contain an olefin moiety providing one stereoisomer to be epoxidized at a higher rate than the other stereoisomer using a chiral ket... | 06/25/2002 |
| 6348608 | Catalytic asymmetric epoxidation A compound and method for producing an enantiomerically enriched epoxide from an olefin using a chiral ketone and an oxidizing agent is disclosed.... | 02/19/2002 |
| 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 |
| 6271400 | Epoxidation of olefins An process for epoxidizing diversely functionalized olefins by oxorhenium catalysis employs conditions which control water concentration. By controlling water concentration, one can maximize monoperoxo complex formation and increase turnover which subsequ... | 08/07/2001 |
| 6255500 | Process for the epoxidation of diene esters Process for the preparation of aliphatic diene ester diepoxides comprising the steps of a) reacting an aliphalic diene ester with a peracid at a temperature at or below 15° C. in the absence of a pH control agent to epoxidize the double bonds of the dien... | 07/03/2001 |
| 6228955 | Asymmetric epoxides, their synthesis and use A process for preparing an optically-enriched chiral epoxide of formula I ##STR1## wherein R1, R2 and R3 are each independently selected from H, R, R--CO-- and R--O--CO--, each R independently being substantially a hydroca... | 05/08/2001 |
| 6225482 | Process for the enantioselective epoxidation of C.dbd.C double bonds A process for the enantioselective epoxidation of C.dbd.C double bonds and use of the epoxides. The present invention provides a process for the enantioselective epoxidation of compounds of the formula I ##STR1## by means of a diastereomer and enantiomer ... | 05/01/2001 |
| 6107433 | Process for the preparation of vegetable oil-based polyols and electroninsulating casting compounds created from vegetable oil-based polyols A vegetable oil-based polyol is made by adding a peroxyacid to vegetable oil wherein said peroxyacid reacts with said vegetable oil to form epoxidized vegetable oil and adding said epoxidized vegetable oil to a mixture of an alcohol, water, and a catalyti... | 08/22/2000 |
| 6080894 | propylene oxide and styrene monomer co-production procedure The propylene oxide and styrene co-production process generates a heavy residue byproduct containing metals, mainly sodium, which previously was adequate for use only as low quality fuel. According to the invention, the heavy residue is dehydrated in the ... | 06/27/2000 |
| 6066751 | Process for making epoxide intermediates It has been surprisingly discovered that the disadvantages of the lengthy literature procedures to synthesize 13,14-dihydro prostaglandin A, E, and F derivatives can be overcome using a novel Methyl 7-(2-hydroxy-5-(2-(2-oxiranyl)ethyl)-4-(1,1,2,2 tet... | 05/23/2000 |
| 6063943 | Polyimide-supported transition metal complex catalyst and process for preparing epoxy compounds using the same The present invention relates to a heterogeneous polyimide-supported transition metal complex catalyst for epoxidation of olefin, which is prepared by impregnating a heat- and acid-resistant polyimide resin with a homogeneous metal catalyst of molybdenum,... | 05/16/2000 |
| 6008386 | -Oxiranyl amino acids and their synthesis The present invention is related to a novel class of decarboxylase enzyme inhibitors consisting of -oxiranyl amino acids and derivatives thereof and a method of synthesizing such compounds.... | 12/28/1999 |
| 5808114 | Preparation of epoxides by means of aromatic peroxycarboxylic acids Preparation of epoxides from olefins by means of aromatic peroxycarboxylic acids comprises a step A of epoxidizing the olefin and removing the resulting aromatic carboxylic acid from the epoxide, a step B of catalytically hydrogenating the removed aromati... | 09/15/1998 |
| 5792878 | Process for preparing chiral epoxides using chiral manganese triazanonane complexes as oxidation catalysts A process for preparing chiral epoxides using chiral manganese triazanonane complexes as oxidation catalysts. These catalysts have the general formula Mnu (L)v (OR)w (μO)x (μOAc)y !Xz !(III )... | 08/11/1998 |
| 5756780 | Process for the preparation of a purified 3,4-epoxycyclohexyl methyl(meth)acrylate and, a stabilized 3,4-epoxycyclohexyl methyl acrylated Disclosed are an improvement of a process for the preparation of a purified 3,4-epoxycyclohexyl methyl(meth)acrylate, and a stabilized 3,4-epoxycyclohexyl methyl(meth)acrylate.... | 05/26/1998 |
| 5750741 | Preparation of oxirane compounds with titanasilsesquioxane catalysts A process for the preparation of an oxirane compound by reacting an olefinically unsaturated hydrocarbon with an organic hydroperoxide, in the presence of a catalyst comprising a titanasilsesquioxane of the general formula TiLR7 Si7 ... | 05/12/1998 |
| 5705660 | Method for the synthesis of -oxiranyl amino acids The present invention is related to a novel class of decarboxylase enzyme inhibitors consisting of -oxiranyl amino acids and derivatives thereof and a method of synthesizing such compounds.... | 01/06/1998 |
