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WO/2003/068763A1 |
A method for separating propylene oxide from a liquid mixture containing propylene oxide, cumene and cumyl alcohol by the use of a distillation column, characterized in that the distillation column is operated with a bottom temperature o...
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WO/2003/068762A1 |
A process for the purification of propylene oxide by using as the feed fluid a propylene oxide-containing reaction fluid which is obtained by the reaction of cumene hydroperoxide with propylene and contaminated with water, hydrocarbons, ...
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WO/2003/062216A1 |
Insoluble resinous sodium materials are separated from a hydroperoxide/olefin epoxidation feed by contact with a fine screen or a bed of coalescing solids.
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WO/2003/059898A2 |
The present invention provides compounds having formula (I) : wherein R1-R6, A, J, D, E, G, Q, w, x, y, and z are as described generally and in classes and subclasses herein, and additionally provides pharmaceutical compositions thereof,...
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WO/2003/059510A2 |
Disclosed are manganese(IV) complex salts of formula [LMn(µ−O)3MnL)]n[XM12O40]m, (I), wherein L is 1,4,7−trimethyl−1,4−7−triazacyclononane, X is P or Si, M is Mo or W, n is 2 or 3, and m is 1 or 2, with the provisos that (i) i...
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WO/2003/057682A1 |
A process for production of propylene oxide which comprises the oxidation step of oxidizing cumene into cumene hydroperoxide, the epoxidation step of reacting a cumene solution containing cumeme hydroperoxide with an excess of propylene ...
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WO/2003/051829A1 |
A method of purifying a liquid oxidation reaction mixture containing cumene hydroperoxide and resulting from the oxidation of cumene, which comprises the following steps. First step: a step in which an aqueous alkali solution (2) and all...
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WO/2003/050073A1 |
Disclosed are compounds of the formula (I) and the pharmaceutically acceptable salts thereof wherein the variables G, L, A, W, E, R2, R3, R4, R5, RN, and RC are defined herein. These compounds interact with and inhibit the activity of th...
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WO/2003/050100A1 |
A process of preparing an olefin oxide, preferably propylene oxide, and an alcohol, such as $g(a)-ethylphenyl alcohol, the process involving contacting an olefin, such as propylene, and an organic hydroperoxide, such as ethylbenzene hydr...
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WO/2003/047499A2 |
An amphiphilic compound is provided capable of forming vesicles or liposomes, said amphiphilic compound having at least one headgroup containing a selectively cleavable group or moiety such as a residue of a choline or phenylalanine deri...
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WO/2003/045919A2 |
Amine ethers of sterically hindered amines are obtained in good yield from the corresponding N-oxyl hindered amine precursor by reaction with a hydrocarbon in the presence of an organic hydroperoxide and an iodide. The products of presen...
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WO/2003/045931A1 |
A method of converting cumene hydroperoxide in a process for producing propylene oxide and cumyl alcohol by reacting cumene hydroperoxide with propylene, characterized by bringing unreacted cumene hydroperoxide into contact with a mangan...
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WO/2003/045905A1 |
The invention relates to compounds of formula (I) which are suitable for producing medicaments used for the prophylaxis and therapy of illnesses characterised by increased blood platelet aggregation.
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WO/2003/044001A1 |
The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a modifier and a catalyst comprising a noble metal and titanium zeolite. The modifier is (a) calcium carbonate in the presence of carbon dio...
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WO/2003/044002A1 |
A process for the epoxidation of an olefin, which process comprises reacting a feed comprising the olefin, oxygen and a reaction modifier in the presence of a silver-based catalyst with the reaction modifier being present in a relative q...
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WO/2003/044003A1 |
A process for the epoxidation of an olefin, which process comprises reacting a feed comprising the olefin, oxygen and a reaction modifier in the presence of a highly selective silver-based catalyst at a reaction temperature T, and with t...
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WO/2003/040096A2 |
Disclosed are compounds of the formula (I), wherein the variables RN, RC, R1, R25, R2, and R3 are as defined herein. These compounds have activity as inhibitors of betasecretase and are therefore useful in treating a variety of discorder...
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WO/2003/040119A1 |
The invention concerns novel 1-oxa-spiro [2, 5] octan-6-ol of general formula (I), as well as their preparation method, and their use in pharmaceutical compositions for use in human or veterinary medicine, or in cosmetic compositions.
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WO/2003/035631A1 |
The invention is a liquid-phase process for epoxidizing an olefin with hydrogen and oxygen in the presence of a supported catalyst comprising palladium on niobium-containing support. The process exhibits good productivity and selectivity...
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WO/2003/035632A1 |
The liquid-phase epoxidation reaction of an olefin with hydrogen and oxygen in the presence of a catalyst mixture containing a titanium zeolite and a supported catalyst surprisingly produces less ring-opened products such as glycols when...
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WO/2003/035622A1 |
The subject invention provides a compound of the formula (I), wherein X, Q, n, R?1¿, R?2¿, R?3¿, R?4¿, R?5¿, R?6¿, R?7¿, R?8¿, R?9¿, and R?10¿ are as defined. Compounds of formula (I) have activity as opioid receptor antagonist...
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WO/2003/035630A1 |
The invention is a liquid-phase process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst mixture comprising a titanium zeolite and a supported catalyst comprising palladium on niobium-containing support. T...
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WO/2003/033485A1 |
Propylene oxide is formed by reaction of hydrogen, oxygen, and propylene over a solid catalyst such as Pd on TS-1, the reaction being carried out in carbon dioxide solvent at conditions effective to provide a dense phase reaction mixture.
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WO/2003/031492A1 |
The present invention discloses reworkable epoxy compositions suitable for encapsulation of and underfill for electronic components including (a) the epoxidized reaction product of a multifunctional 1-alkenyl ether or 1-cycloalkenyl ethe...
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WO/2003/031423A1 |
The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst comprising a noble metal and pretreated titanium zeolite. Titanium zeolite pretreatment comprises contacting the titanium zeolite...
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WO/2003/031424A1 |
The present invention provides compounds that have an amide linkage and at least two epoxy groups. The compounds are preferably aliphatic.
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WO/2003/028644A2 |
An improved method and apparatus for synthesis of oligomeric cyclocarbonates from epoxy compounds and carbon dioxide in the presence of a catalyst. Star epoxy compounds and their preparation and use in making star cyclocarbonates, star h...
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WO/2003/029234A1 |
A curable composition comprises a compound having at least one epoxy group and at least one styrenic or cinnamyl group per molecule, a curing agent, a filler, and an epoxy compound. This invention relates also to a compound containing at...
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WO/2003/027104A1 |
The disclosure relates to a fumagillol compound which can be usefully used not only as an angiogenesis inhibiting agent showing a superior angeogenesis inhibitory effect with less toxicity, but also as a cancer metastasis inhibitor and a...
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WO/2003/027086A1 |
A method for producing propylene oxide involving: a first step of oxidizing cumene, to prepare cumene hydroperoxide, a second step of reacting the cumene hydroperoxide with propylene in the presence of an epoxidation catalyst, to prepare...
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WO/2003/027088A1 |
A mixture of propylene oxide and methanol is separated by liquid/liquid extraction using water and a hydrocarbon such as n-octane as extractive solvents.
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WO/2003/024925A1 |
Process for preparing organic hydroperoxides, which process comprises: (a) oxidation of an organic compound to obtain reaction product containing organic hydroperoxide; (b) contacting at least part of the organic hydroperoxide containing...
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WO/2003/024901A1 |
A process for producing cumene, characterized in that a copper catalyst precursor containing copper in an oxidized state is reduced with hydrogen in liquid cumene to prepare a copper catalyst and cumyl alcohol is subjected to hydrogenoly...
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WO/2003/022826A1 |
The present invention provides a process treating the cycle gas from an ethylene oxide reactor to avoid heat losses in a carbonate scrubbing system as well as glycol formation in the carbonate scrubbing and catalyst contamination upon cy...
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WO/2003/020713A1 |
The invention is an olefin epoxidation process that comprises reacting olefin, oxygen, and hydrogen in a liquid medium in the presence of an epoxidation catalyst in a reactor system comprising a tank, a tube, a plurality of impellers, an...
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WO/2003/018520A1 |
The present invention provides a process for the preparation of an enantiomerically enriched non-racemic chiral diol and an enantiomerically enriched non-racemic chiral epoxy compound by a hydrolytic kinetic resolution reaction. The proc...
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WO/2003/014099A1 |
The invention relates to a method for conducting the catalytic partial oxidation of hydrocarbons in the presence of oxygen and at least one reducing agent. This method is characterized in that the reaction mixture is passed through a lay...
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WO/2003/013502A1 |
Compounds which mimic the chemical and/or biological activity of discodermolide are provided.
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WO/2003/011454A2 |
A method of increasing the lifetime of a hydro-oxidation catalyst comprising, preferably, gold, silver, or mixtures thereof, and optionally one or more promoters, on a titanium-containing support, such as a titanosilicate or titanium dis...
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WO/2003/004481A1 |
A process for manufacturing an $g(a)-dihydroxy derivative from an aryl allyl ether wherein such $g(a)-dihydroxy derivative can be used to prepare an $g(a)-halohydrin intermediate and an epoxy resin prepared therefrom including epoxidizin...
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WO/2003/002582A1 |
There are provided new chiral salen catalyst, and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst. More particularly, there are provided new chiral compounds from racemic epoxides by using new ...
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WO/2002/102496A1 |
The present invention refers to a process for the recovery of combustible components of a gas stream comprising the combustible components and oxygen by selective absorption of the combustible components in a solvent, whereby during the ...
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WO/2002/100538A2 |
A method for the production of cycloaliphatic compounds (I) having side chains with expoxy groups by heterogenous-catalytic hydrogenation of a compound (II) having at least one carbocyclic, aromatic group and at least one side chain with...
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WO/2002/098541A1 |
Scrubber liquid (1) from an ethylene oxide process rich in bicarbonate and dissolved ethylene is flashed in two stages (11, 10) to separate ethylene containing vapor (3, 4) from bicarbonate rich solution (2, 5) reduced in ethylene content.
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WO/2002/094753A1 |
The invention concerns novel optically active benzylalkylcarbinols, to the $i((R)) or ($i(S)) form with formula (I) where : -R1 represents a hydrogen atom or a linear or branched alkyl or alkoxy group containing 1 to 4 carbon atoms; -R2 ...
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WO/2002/094748A1 |
Methods using catalysts and reaction conditions to produce signi ficantly improved yields (and thereby higher purity) of olefin metathesis products, with greatly reduced amounts of impurities. These techniques include in one instance red...
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WO/2002/092587A1 |
A method for obtaining an epoxide having high optical purity, characterized in that an optically active epoxide is subjected to a distillation in the presence of a base. The method allows the suppression of the decrease of optical purity...
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WO/2002/092586A1 |
Process for manufacturing an oxirane by reaction between an olefin and a peroxide compound in a reactor containing a liquid phase, in the presence of water, one or more organic solvents, a catalyst and one or more compounds for increasin...
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WO/2002/090340A1 |
Process for the preparation of alkylene oxide, which process comprises passing a feed containing an organic hydroperoxide and alkene through a bank of at least two serially connected reactors containing epoxidation catalyst and withdrawi...
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WO/2002/088104A1 |
A process for producing propylene oxide which comprises reacting propylene with cumene hydroperoxide in the presence of a catalyst, wherein the propylene as a raw material has a water content of 2 wt % or less.
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