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Matches 1 - 50 out of 7,078

Document Document Title
WO/2019/176951A1
Provided are a production method for a titanium-containing silicon oxide molded article having high catalytic activity and high strength, and a titanium-containing silicon oxide molded article. A production method for a titanium-containi...  
WO/2019/171161A1
PCT00760 20 ABSTRACT Disclosed herein is a process for preparation of 1-chloro-2-(1- chlorocyclopropyl)-3-(2-chlorophenyl)propan-2-ol (compound of formula (I)) 5 and 2-(1-chlorocyclopropyl)-2-[(2-chlorophenyl)methyl]oxirane (compound of ...  
WO/2019/154863A1
A method for preparing a silver impregnation solution comprises (a) charging a neutralization reactor R1 with an aqueous organic amine; (b) adding oxalic acid powder through a first feeding conduit to the neutralization reactor R1 to obt...  
WO/2019/152980A1
A propylene oxide separation system comprising a heavies distillation column configured to receive a crude propylene oxide stream and discharge a heavies purge bottoms comprising at least one impurity selected from acetone, methanol, ald...  
WO/2019/133174A1
A process for preparing a silver-containing catalyst for the oxidation of ethylene to ethylene oxide (EO) including the steps of: providing a support having pores; providing a silver-containing impregnation solution; adding an amount of ...  
WO/2019/119489A1
The present invention relates to a method of preparing ethylbenzene hydroperoxide by liquid-phase peroxidation of ethylbenzene and a preparation method of propylene oxide. By adding a small amount of an organic basic substance, the perox...  
WO/2019/118554A1
A silver impregnation solution containing: (i) silver ions, (ii) a polar organic additive containing two to four carbon atoms and two to four functional groups selected from hydroxy, carboxylic acid, and amine groups, provided that a car...  
WO/2019/105453A1
Disclosed are a method and system for producing an epoxyalkane, the method and system mainly solving the problems in the prior art of the accumulation of heavy fraction impurities resulting in a decrease in the purity of an extracting ag...  
WO/2019/105031A1
The present invention relates to a preparation method for an olefin epoxidation catalyst. The method comprises: (1) preparing a titanium silicon gel; (2) performing pore-enlarging treatment on the titanium silica gel by using an organic ...  
WO/2019/105451A1
The present invention relates to a method for producing alkylene oxide, and primarily solves the problems in the prior art of the accumulation of diol heavy-component impurities leading to low purity of an extractant, large loss, low yie...  
WO/2019/082995A1
Provided is a beta zeolite also having exceptional catalytic activity as a catalyst other than an olefin epoxidation catalyst. This beta zeolite is synthesized without using an organic structure-directing agent and has titanium in the st...  
WO/2019/055773A1
A method for process monitoring and control of a chemical reactor in which a chemical reaction utilizing a halogenated selectivity modifier is performed includes: measuring a level of halogenated components in an inlet stream of a reacto...  
WO/2018/144740A8
A method including contacting an organic stream with water and carbon dioxide, whereby sodium is extracted from the organic stream, and separating an aqueous sodium salt-containing phase from an organic phase comprising a reduced sodium ...  
WO/2019/043404A1
The present invention provides a method for the selective oxidation of an organic molecule in a chemical looping reactor comprising a packed bed or fluidised bed, the packed bed or fluidised bed having a bed material comprising one or mo...  
WO/2019/031240A1
The present invention makes it possible to obtain a compound represented by formula (II) at a high yield by executing: a step A for obtaining a trimethyl oxosulfonium ylide solution or a trimethyl sulfonium ylide solution by reacting a b...  
WO/2019/025184A1
In a process for the epoxidation of propene with hydrogen peroxide in the presence of an epoxidation catalyst, a shaped epoxidation catalyst is used comprising shaped bodies containing a first titanium silicalite with a titanium content ...  
WO/2019/023158A1
The present disclosure is directed to the preparation of silver-based HSCs. During preparation of the catalyst a selected carrier is co-impregnated with a solution containing a catalytically effective amount of silver and a promoting amo...  
WO/2019/020793A1
The present invention is directed to a process for producing a shaped catalyst body comprising silver applied to an alumina support, which comprises providing an alumina support, with a defined pore structure and then applying a defined ...  
WO/2019/021181A1
Metal modified 2-D and 3-D tetrazole-based carbon nitride materials, method of making and method of use are described. The materials include a catalytic metal, preferably Fe or Ru, and have a nitrogen to carbon ratio of between 1.36 and ...  
WO/2019/015599A1
Provided is a process for producing a compound I comprising at least one functional group chosen in the group consisting of epoxy group, hydroxyl group and carbonyl group and by reacting a compound J comprising at least one functional gr...  
WO/2019/016297A1
The present invention relates to a device and a method for the in-situ production of a sterilisation gas and the sterilisation of objects. In a first step of the method, an alcohol is catalytically converted to an alkene oxide. The alken...  
WO/2014/106799A9
A Bis-glycidyl methacrylate monomer of formula (I) wherein R can be a biphenyl group unsubstituted or substituted by OH, oxygen, amino, or Cl- C4 alkyl; a phenyl group unsubstituted or substituted by OH, oxygen, amino, Cl-3 alkyl; a C2-1...  
WO/2018/234045A1
In a process for the oxidation of a lower alkene, such as ethylene, over a catalyst containing Cu and one or more zeolite or zeotype materials, the oxidation is conducted in the presence of ammonia in the feed gas at a process temperatur...  
WO/2018/233562A1
The present invention relates to an intermediate for preparing oseltamivir and an isomer thereof. The intermediate of the present invention is prepared by means of neighboring group participation at room temperature under the conditions ...  
WO/2018/225411A1
The purpose of the present invention is to provide: an epoxy resin which provides excellent balance between the molding shrinkage rate during thermal curing of a composition containing the epoxy resin and heat resistance of a cured produ...  
WO/2018/220088A1
Method of making a second olefin using a first olefin, comprising steps (A) and (B): (A) performing a metathesis reaction with the first olefin in the presence of a metal complex configured to catalyse said metathesis reaction; (B) epoxi...  
WO/2018/222642A1
There are provided methods and systems to form propylene chlorohydrin by hydrolysis of 1,2-dichloropropane and to further form propylene oxide from propylene chlorohydrin.  
WO/2018/214931A1
Disclosed in the present invention are a preparation method for an olefin epoxidation catalyst and applications thereof. The method comprises: loading a olefin epoxidation catalyst onto a silica gel carrier by using a metal salt, and car...  
WO/2018/215262A1
In a process for the epoxidation of propene, comprising continuously reacting a propene feed with hydrogen peroxide in the presence of an epoxidation catalyst in a reaction step, using propene in excess to hydrogen peroxide, to provide a...  
WO/2018/213821A1
Catalysts and methods for transformation of glycerol and a carbon feedstock, such as CO2, a carbonate salt or a bicarbonate salt, are described herein. Homogeneous catalysts include compounds of formula M[NHC-R-linker]aLbXc, where M is a...  
WO/2018/212216A1
Provided is a method for producing an optically active isomer, the method including an asymmetry induction step in which an asymmetry-inducing agent is caused to act on chiral molecules having an enantiomeric-excess half-life period less...  
WO/2018/206505A1
In a process for the epoxidation of propene by reacting propene with hydrogen peroxide in the presence of a methanol solvent and a titanium zeolite epoxidation catalyst, the steps of: separating from the reaction mixture a crude propene ...  
WO/2018/207735A1
[Problem] To provide a method for producing a high quality non-colored epoxy compound, wherein the method is suitable for industrial scale production, attains a high yield and does not require complicated post-processing. [Solution] A me...  
WO/2018/205244A1
In a process for the epoxidation of propene by reacting propene with hydrogen peroxide in the presence of a methanol solvent and a titanium zeolite epoxidation catalyst, the steps of: separating from the reaction mixture a crude propene ...  
WO/2018/204132A1
The present disclosure relates to a method including subjecting an organic stream comprising at least one oxygenate to hydrotreatment, whereby a hydro treatment product comprising ethylbenzene is produced, wherein the organic stream, is ...  
WO/2018/197897A1
A method for preparing atetrafluoro-1,2-epoxypropane comprising reacting a 2-bromo-tetrafluoropropan-3-ol with an alkaline or alkaline earth metal hydroxide solution, a compound which is 2,3,3,3-tetrafluoro-1,2-epoxypropane, and partiall...  
WO/2018/197234A1
The invention relates to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, propane, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid f...  
WO/2018/197324A1
The present invention refers to a process for reacting an alkyl aryl ketone obtaining thereby the corresponding aryl oxirane or α-functionalized alkyl aryl ketal, the aryl oxirane or α-functionalized alkyl aryl ketal obtained by the pr...  
WO/2018/022740A9
The present disclosure provides mixed molybdenum oxide catalysts, methods for preparing epoxides from olefins and CO2 using them, and methods of making the mixed molybdenum oxide catalysts by impregnation or co-precipitation. In a prefer...  
WO/2018/165608A1
This application relates to the preparation of partially fluorinated epoxides and perfluorinated epoxides which may be useful in various applications including refrigerants, heat transfer media, high-temperature heat pumps, organic Ranki...  
WO/2018/151019A1
Provided is a method for stereoselectively producing a disubstituted halogenated epoxide under industrially practicable conditions. According to the present invention, a disubstituted halogenoolefin represented by general formula: [1] [i...  
WO/2018/144740A1
A method including contacting an organic stream with water and carbon dioxide, whereby sodium is extracted from the organic stream, and separating an aqueous sodium salt-containing phase from an organic phase comprising a reduced sodium ...  
WO/2018/140466A1
The present disclosure relates to a method for effecting catalytic selective oxidation in liquid phase comprising a perfluorinated solvent and an olefinic compound with molecular oxygen to produce an epoxide. The method may provide enhan...  
WO/2018/136381A1
A method for producing a catalyst effective in the oxidative conversion of ethylene to ethylene oxide, the method comprising: (i) impregnating a porous refractory carrier with a sub-catalytic level of silver ion in a range of 0.1 wt% to ...  
WO/2018/136638A1
Disclosed are methods for treating an ethylene oxide stream suitable for use in carbonylation reactions. Such treatment uses an inorganic solid to remove water from the ethylene oxide stream. Discloses are also systems to carry out the m...  
WO/2018/134289A1
A process for preparing a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, comprising (i) providing a molding comprising a titanium-containing zeolitic material having framework type MWW; (ii...  
WO/2018/128638A1
A carrier for an ethylene epoxidation catalyst, the carrier comprising a porous alumina body formed of sintered particles of alumina in a substantial absence of inorganic binder species other than alumina, wherein the substantial absence...  
WO/2018/128639A1
A carrier for an ethylene epoxidation catalyst, the carrier comprising a porous alumina body formed of sintered particles of alumina in a substantial absence of inorganic binder species other than alumina, wherein the substantial absence...  
WO/2018/118349A1
A system for use in selective catalytic reduction reactor is disclosed. The system may include a catalyst bed and a screen located close to the catalyst bed in a manner so that flow of flue gas to the catalyst bed contacts the screen bef...  
WO/2018/110817A1
The present invention relates to a heterogeneous catalyst using CTF, wherein a heterogeneous carbonylation catalyst is produced by inserting a section capable of functioning as a ligand in a metal ion such as bypyridine into the frame of...  

Matches 1 - 50 out of 7,078