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Matches 651 - 700 out of 7,181

Document Document Title
WO/2008/147638A1
A process involves contacting, in an alkylation zone (2), a first benzene recycle stream (8) and a propylene feed stream (6) with an alkylation catalyst to form cumene (10). In a transalkylation zone (4), a polyisopropyl benzene recycle ...  
WO/2008/144409A2
A reactor system comprising: a reactor vessel, and positioned inside the reactor vessel, an absorbent and a catalyst positioned downstream from the absorbent; a process for reacting a feed; and a process for preparing a 1,2-diol, a 1,2-d...  
WO/2008/144396A2
The present invention provides an epoxidation reactor system for preparing an olefin oxide comprising: - one or more purification zones comprising one or more purification vessels containing an absorbent comprising copper and zinc; and -...  
WO/2008/140714A1
A method to achieve a controlled start-up temperature of an expoxidation process which exceeds the maximum achievable temperature of the epoxidation reactor relative to using an external heat source. The method of the present invention e...  
WO/2008/141032A1
A catalyst for the epoxidation of an olefin comprising a carrier and, deposited on the carrier, silver, a rhenium promoter, a first co-promoter, and a second co-promoter; wherein the molar ratio of the first co-promoter to the second co-...  
WO/2008/140008A1
A diamine and an epihalohydrin are subjected to ring-opening addition in the presence of water to obtain a tetraglycidylamino compound (halohydrin form). Thereafter, the halohydrin form is reacted with an alkali metal hydroxide in the pr...  
WO/2008/141027A2
A catalyst for the epoxidation of an olefin comprising a carrier and, deposited on the carrier, silver, a rhenium promoter, a first co-promoter, and a second co-promoter; wherein the quantity of the rhenium promoter deposited on the carr...  
WO/2008/141030A1
A process for the epoxidation of an olefin comprising contacting a reactor feed comprising an olefin, oxygen, and carbon dioxide, with a catalyst comprising a carrier and, deposited on the carrier, silver, a rhenium promoter, a first co-...  
WO/2008/135398A2
The present invention relates to a continuous process for the preparation of an olefin oxide wherein an olefin is reacted with a hydroperoxidein the presence of a catalyst, and wherein the reaction which is carried out in at least three ...  
WO/2008/124292A2
An integrated process providing for a gas phase hydro-oxidation of an olefin, preferably, propylene, with oxygen in the presence of hydrogen and a catalyst under reaction conditions such as to form a gaseous hydro-oxidation effluent stre...  
WO/2008/122503A1
The present invention refers to an aqueous hydrogen peroxide solution having a hydrogen peroxide concentration [H2O2] expressed as % by weight of the solution and an apparent pH of from pHmin to pHmax, such that pHmin = 3.45 - 0.0377 x [...  
WO/2008/123384A1
A method for producing propylene oxide in which the concentration of an organic peroxide in a reaction solution after an epoxidation step is from 20 to 5,000 ppm by weight based on the amount excluding propylene in the reaction solution,...  
WO/2008/123912A1
The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst mixture containing a titanium or vanadium zeolite and a supported catalyst comprising palladium, gold, and an inorganic oxide car...  
WO/2008/120639A1
Disclosed is a process for producing ethylene oxide by feeding ethylene, oxygen and an organic chlorine compound into a reactor containing a catalyst. In the process, the activity, selectivity, life duration or the like of the catalyst c...  
WO/2008/119252A1
A noble metal-containing Ti-Si material, characterized in that its composition in oxide form is xTiO2 100SiO2 yEOm zE, wherein x is 0.001~50.0, (y+z) is 0.0001~20.0 and y/z is <5, E is one or more noble metal(s) selected from Ru, Rh, Rd,...  
WO/2008/088452A3
An extrudate comprising an inorganic oxide and a comb-branched polymer is disclosed. The calcined extrudates are useful catalysts or catalyst supports. A palladium-gold catalyst prepared with a calcined titania extrudate of the invention...  
WO/2008/118265A1
Product propylene oxide in a reaction mixture resulting from the reaction of propylene, oxygen and hydrogen or from the reaction of propylene and hydrogen peroxide is separated from propylene and/or propane by extractive distillation usi...  
WO/2008/111557A1
[PROBLEMS] To provide a process for producing an optically active epoxy compound. [MEANS FOR SOLVING PROBLEMS] Disclosed is an industrially useful process for producing an optically active epoxy compound. In the reaction between an unsat...  
WO/2008/110846A2
The invention provides a composition comprising (S) 2-amino-1-(4-chloro-phenyl)- 1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)- phen...  
WO/2008/108398A1
A process for producing an oxygenic organic compound in which not only high catalyst stability but a high raw-material conversion can be attained. The process comprises oxidizing a hydrocarbon with a reactant fluid comprising an oxygen s...  
WO/2008/102659A1
The invention aims at providing an oxidizing agent composition capable of producing halogen-free epoxy compounds in high yield; and a process for the epoxidation of olefins with the composition. In order to attain the aim, the invention ...  
WO/2008/093711A1
Disclosed is a solid-phase oxidation reaction system for an organic compound, which has such advantages that the system does not require any organic solvent which may adversely affect the global environment, has a high product yield, ena...  
WO/2008/093605A1
Disclosed is a method for producing propylene oxide wherein propylene and oxygen are reacted in the presence of water, a halogen compound, and a silver catalyst having an oxygen adsorption capacity of not less than 10 ╬╝mol/g and support...  
WO/2008/090138A1
The invention provides a process for the production of ethylene oxide and, optionally, ethylene glycol. A base is added at one or more positions downstream of the quench section of an ethylene oxide absorber to maintain a pH in the range...  
WO/2008/090997A1
A method for producing propylene oxide according to the present invention includes the step of reacting propylene, oxygen and hydrogen in a liquid phase in the presence of titanosilicate and a noble metal catalyst supported on a carrier ...  
WO/2008/088455A1
A catalyst comprising a transition metal zeolite and a noble metal is disclosed. The catalyst is prepared by an extrusion method using a comb-branched polymer as an extrusion aid. The catalyst is used in a reaction to produce epoxide fro...  
WO/2008/088452A2
An extrudate comprising an inorganic oxide and a comb-branched polymer is disclosed. The calcined extrudates are useful catalysts or catalyst supports. A palladium-gold catalyst prepared with a calcined titania extrudate of the invention...  
WO/2008/088454A1
A catalyst comprising a noble metal supported on a diatomaceous earth and a transition metal zeolite is disclosed. The catalyst is used in an epoxidation process comprising reacting an olefin, hydrogen, and oxygen. The diatomaceous earth...  
WO/2008/087657A2
A process for preparing epichlorohydrin comprising the steps: (a) reacting allyl chloride with an inorganic peroxide compound in the presence of at least one solvent at a temperature of about 40 to 50 degree C in atleast one reactor cont...  
WO/2008/084075A1
The present invention relates to a catalyst system which is a mixture of at least two catalytic species, the first catalytic species being a dehydrogenation catalyst and the second catalytic species being an epoxidation catalyst and comp...  
WO/2008/085268A1
Crude aqueous alkylene oxide streams are converted to the corresponding alkylene glycol. The crude alkylene oxide stream contains NOx or organic nitrogen compounds. The hydrolysis reaction is conducted in the presence of water-soluble re...  
WO/2008/060980A3
Oxidation processes using a catalyst composition which, preferably comprises a glass substrate, with one or more functional surface active constituents integrated on and/or in the substrate surface. A substantially nonporous substrate ha...  
WO/2008/060985A3
Oxidation processes using a catalyst composition which, preferably comprises a glass substrate, with one or more functional surface active constituents integrated on and/or in the substrate surface. A substantially nonmicroporous/nonmeso...  
WO/2008/078861A1
The present invention relates to a process for preparing an oxirane compound. More specifically, it relates to a solvent extraction process which comprises extracting with an organic solvent the reaction mixture of an oxirane compound, o...  
WO/2008/060987A3
Oxidation processes using a catalyst composition which, preferably comprises a glass substrate, with one or more functional surface active constituents integrated on and/or in the substrate surface. A substantially nonmicroporous substra...  
WO/2008/074791A1
The invention relates to a process for removing poly(propylene oxide) from propylene oxide by membrane separation, wherein a membrane having an average pore size of from 0 to 5 nm is used. In said process, a liquid feed comprising propyl...  
WO/2008/074733A1
The present invention relates to a process for the catalytic halogenation of an organic compound comprising at least one aliphatic hydroxyl group which comprises the step of contacting the organic compound comprising at least one aliphat...  
WO/2008/069871A1
In a propylene oxide process wherein propylene is oxidized in a reaction mixture comprised of a solid catalyst slurried in a solvent and wherein propane and propylene are separated by distillation in a C3 splitter, the improvement of rem...  
WO/2008/068205A1
The production of epoxy resin compositions comprising glycidyl ether with cyclohexyl groups and having a low oligomer content is achieved by the distillation of compositions, which can be obtained by means of core hydrogenation of compou...  
WO/2008/063880A1
A process and catalyst for the hydro-oxidation of an olefin having three or more carbon atoms, such as propylene, to form an olefin oxide, such as propylene oxide. The process involves contacting the olefin with oxygen in the presence of...  
WO/2008/064076A2
A process for treating a carrier, or a precursor thereof, to at least partly remove impurities comprising contacting the carrier, or the precursor thereof, with a treatment solution comprising a salt; a process for preparing a catalyst; ...  
WO/2008/058925A1
The invention relates to a process for the liquid phase oxidation of ethylbenzene into ethylbenzene hydroperoxide, wherein the ethylbenzene hydroperoxide concentration is kept below 20 wt.% on the basis of the total weight of the reactio...  
WO/2008/058097A2
The invention provides processes for converting an unsaturated molecule to a polymer. In particular, the processing steps comprise bodying, epoxidation, hydrolysis, and oligomerization. These processes provide new processing paths for th...  
WO/2008/008195A3
The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst mixture containing a titanium or vanadium zeolite and a supported catalyst comprising palladium rhenium and a carrier. The proces...  
WO/2008/054564A1
This invention relates to shaped porous bodies of alpha-alumina platelets which are useful as catalyst carriers, filters, membrane reactors, and preformed bodies for composites. This invention also relates to processes of making such sha...  
WO/2008/050760A1
Disclosed is a novel process for producing hexafluoropropylene oxide in higher yield. An organic phase containing hexafluoropropylene (HFP) in an organic solvent and an aqueous phase containing an oxygen-containing oxidizing agent in wat...  
WO/2008/051333A1
A process is provided for the production of alkylene oxide by catalytic reaction of olefin, hydrogen and oxygen in the presence of promoting buffer salts, the improvement wherein the buffer salts are recovered by electrodialysis and/or c...  
WO/2008/041654A1
Disclosed is a process for producing an epoxy compound from an olefin, oxygen and hydrogen with efficiency. Specifically disclosed is a process for producing an epoxy resin from an olefin, oxygen and hydrogen, which comprises the steps o...  
WO/2008/035824A1
A process and apparatus for forming a product of catalytic oxidation is disclosed wherein a combination of a first reactant and an optional substrate is directly fed into a reaction zone consisting of a finely divided volume, such as pre...  
WO/2008/032797A1
A catalyst for the production of alkylene oxides which comprises a carrier and metallic silver fine particles supported on the carrier, wherein at least 90% of the metallic silver fine particles have particle diameters of 2 to 100nm; a p...  

Matches 651 - 700 out of 7,181