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WO/2013/098855A1 |
The present invention provides a process for preparation of Ag-W oxide catalyst for the direct and selective conversion of propylene to propylene oxide. The process provides a direct single step selective vapour phase oxidation of propyl...
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WO/2013/095888A1 |
Methods of preparing a second high-efficiency, rhenium-promoted silver catalyst for producing alkylene oxide from an alkylene based on a first catalyst are disclosed and described. In accordance with the disclosed methods, the first and ...
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WO/2013/088972A1 |
Provided is a compound represented by general formula (1). (1) In general formula (1), R1 is either a protecting group for a hydroxyl group or a hydrogen atom. R2 is either a methyl group or an ethyl group.
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WO/2013/089006A1 |
Provided is an efficient method for producing an industrially useful glycidylamine epoxy compound. The present invention produces a glycidylamine epoxy compound represented by general formula (2) by reacting a phenoxyaniline represented ...
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WO/2013/086081A1 |
Methods of reducing or maintaining the value of an alkylene oxide production parameter (such as alkylene oxide production rate) in a process of making an alkylene oxide by reacting an alkylene and oxygen over a high efficiency catalyst a...
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WO/2013/085743A1 |
A process for recovering a divinylarene dioxide from a crude feed stream comprising the steps of: (a) providing an effluent reaction stream containing at least one divinylarene dioxide product and other compounds; and (b) separating/reco...
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WO/2013/077839A1 |
An improved carrier for an ethylene epoxidation catalyst is provided. The carrier includes an alumina component containing a first portion of alumina particles having a mean primary particle size of, or greater than, 2 m and up to 6 m, a...
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WO/2013/077738A1 |
The present invention relates to a method for the preparation of a fuel, by the addition of one or more components to a base fuel, wherein the method comprises the following steps: • i) providing a base fuel, • ii) withdrawing aromat...
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WO/2013/074326A1 |
Embodiments of the present disclosure relate to asymmetric epoxidation of olefinic alcohols, using a chiral alcohol chelated titanium catalyst and an organic peroxide performed in a microreactor flow reactor system that can comprise mult...
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WO/2013/070392A1 |
A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene, (b) hydrogen peroxide, (c) at least one iron-containing catalyst, and (d) an excess of amine hydrogen halide, under conditions to form a div...
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WO/2013/067339A1 |
Embodiments of the present disclosure provide processes and systems for the epoxidation of an olefin using a fixed bed reactor. The fixed bed reactor is maintained at a temperature from 0 to 40 degrees Celsius. The processes and systems ...
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WO/2013/066557A1 |
Methods are provided for producing epoxidation catalysts. The present methods are able to produce catalysts having the desired loading levels of catalytic species at a lower vacuum level (having a higher minimum residual pressure) than p...
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WO/2013/061294A1 |
The invention relates to a process for producing a supported silver catalyst, having the following steps: (a) reacting oxalic acid with an alkali metal base in a solvent, preferably water, up to the second equivalence point of the oxalic...
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WO/2013/057120A1 |
The invention relates to an integrated process for preparing an epoxide from an oxygenate, wherein the production of a lower olefin from the oxygenate and the subsequent epoxidation of the lower olefin is combined and wherein isobutene, ...
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WO/2013/057121A1 |
The invention relates to an integrated process for preparing an epoxide from an oxygenate, wherein the oxygenate is converted into a lower olefin and the lower olefin is subsequently epoxidised, and wherein isobutane obtained after hydro...
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WO/2013/059225A1 |
A method for the epoxidation of an olefin comprising the steps of reacting a feed gas composition containing an olefin, oxygen, and a moderator having an optimal moderator concentration in the presence of an epoxidation catalyst at a fir...
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WO/2013/055716A1 |
The carrier of the present invention includes at least 85 wt percent alpha alumina, at least 0.06 wt percent SiO2 and no more than 0.04 wt percent Na2O. The carrier has a water absorption no greater than 0.35 g/g and a ratio of water abs...
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WO/2013/043458A1 |
The present disclosure provides processes for the start-up of an ethylene epoxidation process comprising: a) contacting a high selectivity epoxidation catalyst with a feed comprising ethylene, oxygen and an organic chloride for a period ...
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WO/2013/038945A1 |
Provided are a novel triepoxy compound capable of forming a cured product having excellent heat resistance by polymerization; a method for producing the same; a curable composition comprising the triepoxy compound; and a cured product ob...
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WO/2013/034612A1 |
Process for the chlorination of an organic compound comprising at least one aliphatic hydroxyl group, said process comprising the steps of actively adding to said organic compound (i) hydrogen chloride and (ii) a HCl desolubilizer or a p...
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WO/2013/025316A1 |
A process for producing an olefin oxide comprising: a first step of contacting a catalyst comprising one or both of copper oxide and ruthenium oxide, and a metal oxide other than copper oxide and ruthenium oxide, with oxygen at a tempera...
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WO/2013/025315A1 |
A process for producing an olefin oxide comprising: a first step of reacting an olefin with oxygen in the presence of a catalyst comprising metal oxides consisting of one or both of a copper oxide and a ruthenium oxide; a second step of ...
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WO/2013/021851A1 |
Provided are: N,N,N',N'-tetraglycidyl-3,3'-diaminodiphenyl ether; and a method for producing same. N,N,N',N'-tetraglycidyl-3,3'-diaminodiphenyl ether is produced by an addition reaction step wherein 3,3'-diaminodiphenyl ether and epihalo...
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WO/2013/015156A1 |
Provided is a production method with which it is possible to efficiently produce an alkyldiol monoglycidyl ether without requiring a complex purification step. The method for producing an alkyldiol monoglycidyl ether is characterized in ...
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WO/2013/011156A2 |
The invention discloses a method for preparation of 2-(2,3-dimethylphenyl)-1-propanal from bromo 2,3-dimethylbenzene and aceton, its use in perfumes and its use for the preparation of medetomidine.
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WO/2013/007634A1 |
The invention relates to novel nitrile compounds according to formula I and II: (I) Formula I wherein: X = -CH3 or -C≡N, (II) Formula II wherein: X = -CH3 or -C≡N, each Y is independently chosen from -OH or RC(0)0-, each R is indepen...
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WO/2013/002355A1 |
An object of the present invention is to provide a production method and a novel catalyst and the like used for the same that result in providing a high production amount of an alkylene oxide in a reaction for producing an alkylene oxide...
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WO/2012/177061A2 |
The present invention relates to a photoactive crosslinker compound, to a method for preparing same, to a liquid crystal aligning agent, to a liquid crystal aligning film, and to a liquid crystal display device. More particularly, the pr...
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WO/2012/175182A1 |
Apparatus and methods are provided for forming and processing multiphasic systems. In one embodiment, the invention provides a process for the manufacture of an epoxide, including reacting an olefinically unsaturated compound with an oxi...
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WO/2012/172120A2 |
The invention discloses 2-(2,3-dimethylphenyl)-1-propanal, a method for its preparation from -bromo 2,3-dimethylbenzene and aceton, its use in perfumes and its use for the preparation of medetomidine.
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WO/2012/170220A1 |
A method for producing epoxidation catalysts is provided. The catalyst comprises a support, a catalytic species, maganese and at least one alkali metal and/or promoter. The catalytic species may be silver. The catalyst is prepared by a m...
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WO/2012/170685A1 |
The disclosure relates to a process for separating propylene oxide for a crude propylene oxide stream, for example an intermediate stream from a PO/TBA process. The crude propylene oxide stream can be passed through an extractive distill...
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WO/2012/166312A1 |
The present invention relates to methods for qualifying material for using in the cleaning of alkylene oxide equipment. Qualified material is not expected to contribute to the formation of determinable amounts of alkylene oxide by-produc...
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WO/2012/157535A1 |
The present invention relates to a process for producing an olefin oxide comprising reacting an olefin with oxygen in the presence of a catalyst, wherein the catalyst comprises silver metal truncated cubes having one or more Ag (100) pla...
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WO/2012/157534A1 |
The present invention relates to a process for producing an olefin oxide comprising reacting an olefin with oxygen in the presence of a catalyst, wherein the catalyst comprises particles consisting of silver metal and gold metal, and a r...
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WO/2012/157473A1 |
The present invention relates to a method for producing a titanosilicate-containing catalyst, including: a pulverizing step of pulverizing titanosilicate particles to obtain a pulverized product by a wet process until a d (0.90) value of...
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WO/2012/149098A1 |
A process for improving the selectivity of an EO process utilizes a highly selective EO catalyst. An improvement in the initial operation of a process for manufacturing ethylene oxide comprises contacting ethylene, oxygen, a chloride mod...
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WO/2012/143557A1 |
The invention relates to a substrate material, which is highly porous and which is provided with a mechanically stable, component-penetrating framework structure made of alpha-Al2O3, to methods for producing the substrate material, and t...
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WO/2012/143559A1 |
The invention relates to a substrate material, which is highly porous and which is provided with a mechanically stable, component-penetrating framework structure made of alpha-Al2O3, to methods for producing the substrate material, and t...
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WO/2012/140617A1 |
Catalyst for the production of ethylene oxide, at least comprising silver applied to a carrier, said carrier having a BET constant ranging from 0 to 800 as per DIN ISO 9277.
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WO/2012/141942A1 |
A process for conditioning a high efficiency silver catalyst used to manufacture ethylene oxide from ethylene, oxygen, and at least one organic chloride is described. A non-reactive conditioning gas comprising at least one of ethylene, o...
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WO/2012/140614A1 |
The invention relates to a method for producing a catalyst used for oxidizing ethylene to obtain ethylene oxide, comprising the steps of a) providing a carrier that has a temperature T0, contains aluminum oxide, and is impregnated with s...
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WO/2012/140616A1 |
Method for producing a catalyst that is used for the production of ethylene oxide and comprises silver and zinc applied to a carrier, said method at least including the steps of (i) providing a carrier, (ii) applying 10 ppm to 1500 ppm o...
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WO/2012/141059A1 |
There is provided a new production process of propylene oxide which is superior in the productivity of propylene oxide. Such process includes: (1) a first reaction step of obtaining a first reaction mixture which comprises hydrogen perox...
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WO/2012/137979A1 |
An object the present invention is to provide a method for obtaining propylene oxide in which the content of acetaldehyde is reduced by enabling the removal of acetaldehyde. More specifically, the present invention provides a method for ...
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WO/2012/133938A1 |
The present invention relates to a process for producing a noble metal catalyst, comprising the steps of: 1) mixing a carbon material with a resin in a solvent to prepare a mixture; 2) taking out a carrier from the mixture prepared in th...
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WO/2012/133934A1 |
The present invention relates to a process for producing a noble metal catalyst, comprising the steps of: 1) mixing a carbon material with a resin in a solvent to prepare a mixture; 2) taking out a carbon material treated with the resin ...
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WO/2012/118888A2 |
There is disclosed a method of coupling and integrating natural gas recovery and separation along with chemical conversion. In one embodiment, the method comprises extracting at least one natural gas component from a natural gas stream. ...
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WO/2012/106627A2 |
Embodiments of the present disclosure include a process for regenerating a titanium silicalite catalyst by contacting the fouled titanium silicalite catalyst with a regeneration solution that includes at least one oxidizing agent.
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WO/2012/104886A2 |
Embodiments of the present disclosure are directed to a system and a process for producing an oxirane. For the various embodiments, the system and process of the present disclosure includes: a reaction vessel having a reaction mixture of...
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