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WO/2007/000759A2 |
The present invention provides a process for the preparation of l-halomethyl-2-phenyl-l-phenyl oxirane, wherein the phenyl substituents may be mono-, di- or poly- halo substituted, wherein 3 -halo- 2 -phenyl- 1-phenyl propene is reacted ...
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WO/2007/000664A1 |
This invention relates to an improved process for preparing silver catalysts useful for the vapor phase production of ethylene oxide from ethylene and oxygen. An inert support is impregnated with a solution of a catalytically effective a...
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WO/2007/000329A2 |
The invention relates to the stereoselective epoxidation of α,β-unsaturated ketones bearing electron withdrawing substituents and to chiral 5-phenyl-4,5-dihydropyrazoles obtained therefrom.
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WO/2006/133183A2 |
A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 µm, and a pore size distribution wherein at least 80 % of the total...
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WO/2006/130295A2 |
The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst comprising a noble metal and a titanium or vanadium zeolite in a solvent mixture comprising water, methanol, and a C3-C6 aliphati...
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WO/2006/123814A2 |
There is provided a novel method for producing a bifunctional epoxy monomer which comprises reacting diolefin with a hydrogen peroxide aqueous solution, in the presence of molybdenum or tungsten oxide as a catalyst to selectively epoxidi...
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WO/2006/123664A1 |
A hardenable composition that forms a fluorinated hardening product excelling in lightfast durability, transparency, moistureproofness and adherence; and a novel adamantane compound. There is provided a liquid hardenable composition comp...
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WO2006100318A9 |
The invention concerns a method for making an epoxide which consists in subjecting in a reaction medium resulting from the reaction between a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon, o...
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WO/2006/120207A1 |
Process for the recovery of ethylene oxide (EO) from fat absorbent (FA) which comprises providing a feed of elevated temperature FA to an EO Stripper, providing a stripping gas feed and contacting at elevated temperature with the elevate...
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WO/2006/115011A1 |
A process for producing the epoxy compound represented by the following formula (2): [Chemical formula 10] (2) characterized by adding an organic solvent solution containing 25-35 wt.% percarboxylic acid to the olefin compound represente...
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WO/2006/111600A1 |
The invention relates to a method for the epoxidation of an olefinic compound, which is characterised in that it comprises an oxidation reaction of at least one olefinic compound containing one or more double bonds C=C with oxygen in the...
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WO/2006/113020A1 |
Titanium silicallite crystals useful as catalyst for the production of propylene oxide are prepared by forming a solution of a silicon component, a titanium component and a template, the mol ratio of template to silicon component being 0...
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WO/2006/108748A1 |
Hydrogen peroxide is produced by reaction of hydrogen and oxygen in the presence of a noble metal catalyst in a liquid reaction medium, whereby the reaction is carried out in the presence of an alkyl sulphate. The noble metal catalyst di...
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WO/2006/106155A2 |
The invention concerns a method for making an epoxy including at least one step of purifying the formed epoxy, the epoxy being at least partly made by a method for dehydrochlorinating chlorhydrine, the latter being at least partly made f...
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WO/2006/102189A1 |
A reactor system for the epoxidation of ethylene, which reactor system comprises an elongated tube having an internal tube diameter of more than 40 mm, wherein contained is a catalyst bed of catalyst particles comprising silver and a pro...
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WO/2006/100311A2 |
The invention concerns a method for making an epoxide wherein halogenated ketones are formed as by-products and comprising at least one treatment designed to eliminate at least part of the halogenated ketones formed.
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WO/2006/098421A1 |
Provided is a method for storing a high active titanium-containing silicon oxide catalyst, characterized in that the catalyst is stored at a relative humidity of 60 % or less. The method can be used for a reaction, for example, wherein a...
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WO/2006/093281A1 |
Disclosed is a method for efficiently producing a high-purity &agr -hydroxy-&ohgr -glycidyl ether which is characterized in that a vinyloxy group-containing &ohgr -glycidyl ether is reacted with water and/or a diol in the presence of an ...
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WO/2006/091478A1 |
A carrier that may be used in the manufacture of an olefin epoxidation catalyst is provided that is obtained from a process involving the acid digestion of aluminum metal. Also provided is an olefin epoxidation catalyst comprising a silv...
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WO/2006/090754A1 |
A process for production of an olefin oxide comprising the step of contacting an olefin and oxygen with a silver catalyst which can be produced by contacting metal silver or a silver compound or a mixture thereof with an alkaline earth m...
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WO/2006/087874A1 |
A process for producing an optically active epoxy compound on an industrial scale, comprising carrying out asymmetric epoxidation of a prochiral unsaturated compound with an oxidizer in the presence of, as a catalyst, a monomer represent...
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WO/2006/086642A2 |
In an ethylene oxide process, the stripping and reabsorption operations, normally carried out in separate vessels, are carried out in a single vessel which is divided by a baffle into separate sections where reabsorption and stripping ar...
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WO/2006/084860A1 |
The invention relates to a method for reprocessing mixtures containing (a) one or several bis-epoxides of general formula (I), wherein R1 and R2 are identical or different and are selected among hydrogen and C1-C3 alkyl, (b) one or sever...
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WO/2006/077183A1 |
The invention relates to a process for the epoxidation of an olefin comprising (a) reacting the olefin with hydrogen peroxide in the presence of methanol as solvent in at least two reaction stages to obtain a mixture (M-a) comprising ole...
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WO/2006/075777A1 |
A method for producing propylene oxide, wherein propylene and an organic peroxide are fed to an epoxydation reactor packed with an epoxidation solid catalyst and propylene oxide is continuously produced by an epoxydation reaction, which ...
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WO/2006/073093A1 |
A high-purity alicyclic diepoxy compound of the general formula (II) which is obtained by epoxidizing an alicyclic diolefin compound of the general formula (I) having an isomer content as determined by GC of 15% or lower. (I) (II)
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WO/2006/072766A1 |
A process for the manufacture of ethylene oxide successively comprising: (a) a stage of synthesis of the ethylene oxide carried out by bringing ethylene into contact with oxygen in the presence of a catalyst, so as to form a gaseous reac...
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WO/2006/071353A1 |
The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzly-1-4diazabicyclo[2.2.2]octane cation as a structure/directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
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WO/2006/071354A1 |
The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N, N’-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and processes employing SSZ-70 in a catalyst.
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WO/2006/069992A1 |
Integrated preparation and separation process comprising a preparation process wherein a byproduct is produced; and a gas separation process wherein a first component is separated from a mixture of components by diffusion of the first co...
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WO/2006/065311A1 |
Titanium or vanadium zeolites are pretreated by contacting with an amino polyacid compound, such as ethylenediaminetetraacetic acid or a salt thereof, prior to use in olefin epoxidation with hydrogen peroxide.
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WO/2006/062111A1 |
A process for producing a titanium-containing silicon oxide catalyst which comprises the following steps (A) and (B); and a catalyst obtained by the process. Step (A): a step in which a silica source part or all of which is a silicon com...
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WO/2006/059564A1 |
Novel compounds each having a 3,4-epoxytricyclo[5.2.1.02,6]- decane skeleton and a polymerizable unsaturated bond; a process for the production thereof; and a copolymer composed of (A) units derived from a monomer having an alkali-solubl...
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WO/2006/055071A1 |
A process for the production of propylene oxide by catalytic reaction of propylene, oxygene and hydrogen in a liquid solvent and wherein a phosphine and/or phosphine oxide promoter is used, characterised by the separation of phosphine an...
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WO/2006/049698A1 |
The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a noble metal-containing titanium or vanadium zeolite and a modifier selected from the group consisting of carbon monoxide, methyl acetylene...
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WO/2006/042598A1 |
The invention relates to a method for reactions of peroxide compounds or reactions producing peroxide compounds in a wall reactor, the reaction chamber of the wall reactor being provided with a specific material coating. The inventive me...
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WO/2006/043075A1 |
This invention relates to the selective oxidation of organic compounds. According to the invention organic compounds are selectively oxidized using a peracid or a source of peracid, a transition metal based heterogeneous catalysts and a ...
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WO/2006/035955A1 |
Disclosed are novel curable diamantane compounds such as 4,9-bis(glycidyloxy)diamantane and 4,9-bis[(3-ethyloxethane-3-yl)methyloxy]diamantane. Cured products of such curable diamantane compounds are useful as sealing material having exc...
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WO/2006/028544A2 |
A process is provided for the epoxidation of an olefin comprising the steps of: contacting a feed comprising an olefin and oxygen with a catalyst comprising a silver component deposited on a fluoride-mineralized carrier; and producing a ...
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WO/2006/028940A2 |
A process is provided for increasing the crush strength of a carrier which process comprises incorporating into the carrier a strength-enhancing additive. Also provided is the resultant carrier having incorporated therein a strength-enha...
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WO/2006/024663A1 |
Process of manufacturing propylene oxide and styrene which process comprises: (i) contacting propene with a mixture of ethylbenzene hydroperoxide and ethylbenzene in the presence of catalyst to obtain propylene oxide and 1-phenylethanol,...
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WO/2006/023102A1 |
The invention discloses two processes: 1. A process for producing an epoxide which comprises reacting an olefin with hydrogen peroxide in the presence of a titanium or vanadium zeolite, wherein the titanium or vanadium zeolite is pre-tre...
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WO/2006/020718A2 |
A method of preparing a shaped catalyst, which method comprises moulding a dough into shaped particles and drying at least a portion of the shaped particles at a temperature below 1000°C, wherein the dough comprises a support material, ...
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WO/2006/020709A1 |
This invention relates to a process for converting ethylene to ethylene oxide comprising: flowing reactants comprising ethylene and oxygen or a source of oxygen in a microchannel reactor in contact with a catalyst to form a product compr...
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WO/2006/011669A1 |
Novel cinnamic acid-related compounds and salts thereof which are useful as drugs, specifically, compounds represented by the general formula [1] and salts thereof: [1] wherein A is a six-membered hydrocarbon ring or a six-membered heter...
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WO/2006/009756A1 |
A process is provided for the epoxidation of an olefin comprising the steps of: contacting a feed comprising an olefin and oxygen with a catalyst comprising a silver component and a high-selectivity dopant deposited on a fluoride-mineral...
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WO/2006/006979A2 |
Noble metal-containing titanium or vanadium zeolite catalysts are prepared by adding a noble metal source to a titanium or vanadium zeolite that contains templating agent used in the preparation of the zeolite, and then removing the temp...
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WO/2006/005682A2 |
A process for the preparation of an 1, 1 -disubstituted oxirane is disclosed, wherein an organic sulphide is reacted in a polar solvent with an educt containing a leaving group attached to a primary or secondary carbon atom, and/or the s...
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WO/2006/007007A1 |
Catalysts useful for epoxidizing olefins are disclosed. The catalysts comprise a vinylpyridine polymer and a titanium zeolite. Preferably, the vinylpyridine polymer encapsulates the titanium zeolite. The catalysts are easy to prepare and...
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WO/2006/006981A1 |
An aqueous stream containing propylene glycol and/or ethers thereof is treated by counter current liquid-liquid extraction with propylene and/or propane to separate the propylene glycol and/or ether from the aqueous stream.
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