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Matches 1 - 50 out of 6,915

Document Document Title
WO/2018/003677A1
Provided is a method for more efficiently producing propylene oxide, and specifically a method for producing propylene oxide comprising 1) an oxidation step, 2) an epoxidation step, 3) a separation step, 4) a cumene conversion step, and ...  
WO/2018/002114A1
The invention relates to a method for reactivating homogeneous catalyst systems from organic reaction mixtures. The catalyst systems are suitable for oxidating organic compounds such as, for example cyclododecene. The reactivation is car...  
WO/2017/215679A2
Disclosed are a pharmaceutical composition of chlorambucil and medical uses thereof to counter depression. The present pharmaceutical composition of chlorambucil contains chlorambucil and a natural-product compound (1) extracted from the...  
WO/2017/215928A1
This invention relates to a process for the epoxidation of a tetrasubstituted alkene such as terpinolene to the corresponding epoxide such as terpinolene epoxideby reacting the tetrasubstituted alkene with performic acid prepared in situ...  
WO/2017/203191A1
The invention relates to a process for oxidation of an unsaturated fatty acid by singlet oxygen, which comprises the preparation of a reaction system containing at least the unsaturated fatty acid and molybdate ions, in a mixture of wate...  
WO/2017/200339A1
The present invention relates to an epoxy compound derived from petroleum by-products, and a preparation method therefor. In addition, the present invention relates to an epoxy composition using the epoxy compound derived from petroleum ...  
WO/2017/198546A1
The integrated process comprises a step a) of dehydrogenating propane providing a stream S1 comprising propane and propene; a step b) of separating stream S1 in at least one rectification column, providing an overhead product stream S2 c...  
WO/2017/187152A1
The present invention relates to a method of coating a plurality of solid supports with a photocatalyst, the method comprising: dry mixing the solid supports with particulate photocatalyst in a rotating processing vessel.  
WO/2017/184072A1
The present invention relates to a grafting agent derived from lignin having the general formula of wherein R1 is selected from substituted or unsubstituted epoxide group, aldehyde group, alkene group, thiol, hydroxyl or a carboxylic aci...  
WO/2017/171329A1
The present invention relates to a glycidyl ester compound preparation method for performing a reaction under reduced pressure without using a reaction solvent.  
WO/2017/170915A1
According to the present invention, a means for preventing the occurrence of corrosion on the inner tube side of a heat exchanger in an ethylene oxide production process to enable the continuous production of ethylene oxide for a long pe...  
WO/2017/162446A1
During start-up of a continuous epoxidation of propene with hydrogen peroxide in a methanol solvent witha shaped titanium silicalite catalyst in a tube bundle reactor with acooling jacket, cooling medium isfed at the rate for full load o...  
WO/2017/157253A1
A process for the preparation of epoxide through a halohydrin process comprises: (1) halohydration: H2O2 (or hydrogen peroxide), halogen elementary substance, ethylenically unsaturated compound having one or more C=C double bonds are add...  
WO/2017/159637A1
Disclosed are a monoepoxy compound of formula (1), a curable composition containing the same, a cured product thereof, a method for producing the monoepoxy compound, and a reactive diluent containing the monoepoxy compound. The monoepoxy...  
WO/2017/157254A1
Provided is a method for preparing an epoxide by halohydration, the method comprising: (1) halohydration: adding H2O, a halogen element and an olefin compound to a reaction unit for reaction to obtain a halohydrin; (2) saponification: sa...  
WO/2017/148417A1
Disclosed in the present invention are a 2,3-epoxy succinyl derivative, a preparation method therefor, and uses thereof. Specifically, disclosed in the present invention are a compound represented by formula (1), a raceme thereof, an opt...  
WO/2017/140774A1
A continuous process for the preparation of propylene oxide, comprising a start-up stage and normal run stage, wherein the normal run stage comprises (i) continuously providing a liquid feed stream comprising propene, hydrogen peroxide, ...  
WO/2017/134609A1
A process for preparing an aromatic N- glycidylamine comprising a step of heating a mixture of an amine having at least one aromatic aminohydrogen atom with at least 0.7 equivalent of epichlorohydrin per aminohydrogen equivalent of the a...  
WO/2017/134504A1
Methods to produce propylene oxide are described. One method can include providing a propene feed stream, an oxygen feed stream and, optionally, a hydrogen feed stream to a reaction zone, and maintaining, in a reaction zone during the re...  
WO/2017/125469A1
A description is given of an electrolysis system, for example an electrolysis cell (EZ), with a connection between an anolyte circuit and a catholyte circuit. By means of this connection between the anolyte circuit and the catholyte circ...  
WO/2017/125266A1
In a process for the epoxidation of an olefin with hydrogen peroxide in the presence of a solvent, where a mixture comprising olefin,an aqueous hydrogen peroxide solution and a solvent is continuously passed through a fixed bed of an epo...  
WO/2017/123576A1
Epoxidized fatty acid alkyl esters useful as plasticizers are obtained by reacting epoxidized fatty acid triglycerides with alcohol in the presence of an enzyme having transesterification activity.  
WO/2017/102698A1
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular an alkyl iodide impurity, are provided. Processes for producing ethylene ox...  
WO/2017/102694A1
The invention provides a reaction system for the production of ethylene carbonate and/or ethylene glycol, said reaction comprising a guard bed system positioned upstream of a catalytic EO reactor, said guard bed system comprising a feed ...  
WO/2017/103151A1
A continuous process for the preparation of propylene oxide, comprising providing a liquid feed stream comprising propene, hydrogen peroxide, methanol, water, at least one dissolved potassium salt of hydroxyethylidenediphosphonic acid, a...  
WO/2017/102087A1
The present invention relates to a method for producing a polyol from an unsaturated fatty acid with one or more double bonds, or a polyol from a fatty acid derivative having at least one unsaturated fatty acid group with one or more dou...  
WO/2017/102706A1
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular alkyl iodide and vinyl iodide impurities, are provided. Processes for produ...  
WO/2017/102087A8
The present invention relates to a method for producing a polyol from an unsaturated fatty acid with one or more double bonds, or a polyol from a fatty acid derivative having at least one unsaturated fatty acid group with one or more dou...  
WO/2017/102701A1
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular a vinyl iodide impurity, are provided. Processes for producing ethylene oxi...  
WO/2017/095639A1
A catalyst composition which comprises titanium, wherein part of the titanium is present as a titanium dioxide phase and at least some of the titanium dioxide phase is in the brookite polymorphic form is provided. In some embodiments, th...  
WO/2017/093204A1
In a process for the epoxidation of propene comprising the steps of epoxidizing propene with hydrogen peroxide in the presence of methanol, separating a crude propene oxide and a solvent mixture, extractive distillation of the crude prop...  
WO/2017/091588A1
An improved analytical method for analysis of dianhydrogalactitol preparations provides a method for determining the purity of dianhydrogalactitol and detecting impurities in preparations of dianhydrogalactitol, as well as identifying an...  
WO/2017/089080A1
Propene oxide is purified by extractive distillation, feeding crude propene oxide comprising from 15 to 97 % by weight of propene oxide, from 2 to 84 % by weight of methanol, and acetaldehyde to a feed point A in the middle section of an...  
WO/2017/089074A1
In aprocess for the epoxidation ofan olefin by continuously reacting the olefinwith hydrogen peroxidein a methanol solvent on a fixed bed epoxidation catalyst comprising a titanium zeolite, the hydrogen peroxide is used as an aqueous hyd...  
WO/2017/089079A1
In a process for the epoxidation of propene by reacting excess propene with hydrogen peroxide, non-reacted propene is recovered by a series of at least two sequential pressure reduction steps, recompressing the vapors resulting from pres...  
WO/2017/089516A1
In a process for the epoxidation of propene, comprising the steps of reacting propene with hydrogen peroxide, separating propene oxide and a recovered propene stream from the reaction mixture, separating propane from all or a part of the...  
WO/2017/089076A1
Propene is continuously reacted with hydrogen peroxide in a tube bundle reactor comprising a multitude of parallel reaction tubes in the presence of a titanium silicalite catalyst arranged as a fixed bed in the reaction tubes. A cooling ...  
WO/2017/080962A1
Process for the preparation of an epoxidation catalyst, which process comprises: (a) drying a silica gel carrier having a surface area in the range of from 330 to 450 m2/g at a temperature in the range of from 300 to 450 °C, and (b) con...  
WO/2017/077845A1
[Problem] To provide a multifunctional epoxy compound which has a low permittivity, and, when added to a generic epoxy resin composition, can achieve a sufficient reduction in permittivity of a cured epoxy resin product obtained from the...  
WO/2017/067887A1
The invention relates to a process for the preparation of styrene or substituted styrenes comprising the steps of: (a) subjecting a feed containing 1-phenyl ethanol or substituted 1-phenyl ethanol to a dehydration treatment in the presen...  
WO/2017/058573A1
A plasticizer can be or include one or more esterified fatty acid phenyl ether esters. The esterified fatty acid phenyl ether ester can have one or more fatty acid ester backbones, one or more phenyl ether moiety disposed on each fatty a...  
WO/2017/038954A1
The present invention relates to a tetramethyl biphenolic epoxy resin represented by formula (1), and relates to an epoxy resin which has excellent solubility in a solvent and contains a small amount of hydrolyzable chlorine, while havin...  
WO/2017/038979A1
Provided are: a compound represented by formula (1) and a method for producing same; a composition; a composition for forming an optical component; a composition for forming a lithographic film; a resist composition; a method for forming...  
WO/2017/040121A1
Epoxidation methods and catalyst are described herein. The epoxidation catalysts generally include a metal component including silver and a support material including kaolinite, wherein the epoxidation catalyst includes less than 55 wt.%...  
WO/2017/019538A1
The present disclosure generally relates to a silver-based epoxidation catalyst. In certain embodiments, a method is provided for modulating the reactivity of the silver-based epoxidation catalyst, comprising the catalyst being post-trea...  
WO/2016/208699A1
[Problem] To provide a method for the industrial production of an optically active fluoroalkyl ethylene oxide. [Solution] An optically active fluoroalkyl chloromethyl alcohol having a high optical purity can be produced at a high yield b...  
WO/2016/202807A1
The present invention relates to a process for providing substituted phenyl ketones wherein a Grignard reagent which is obtained from a substituted phenyl bromide is reacted with an acyl chloride at a temperature of -20 to 10 °C. Furthe...  
WO/2016/189548A1
The present invention relates to epoxidation of alkenes viz., styrene, indene, 1,2-dihydronapthalene and chromenes using recyclable organic promoter in the presence of an inorganic base and a metal salt as a catalyst with hydrogen peroxi...  
WO/2016/190354A1
The purpose of the present invention is to provide a novel compound which is useful as a plasticizer that has improved heat resistance and cold resistance, while having good inherent plasticization performance as a plasticizer, or which ...  
WO/2016/183809A1
The present invention relates to a nebivolol synthesis method and intermediate compound thereof. Specifically, the present invention relates to a method for synthesizing nebivolol, intermediate compound thereof and method for preparing t...  

Matches 1 - 50 out of 6,915