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WO/2009/077528A1 |
The invention relates to a glycerol-based product comprising at least one nitrogen-containing compound and of which the total content of nitrogen-containing compound expressed as elemental nitrogen (N) is less than or equal to 1 g of nit...
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WO/2009/078897A1 |
A hydrocarbon-containing gas is mixed with an oxygen-containing gas in a gas mixer in the presence of a water mist. The water mist surrounds and contacts entrained particles in either the oxygen-containing gas stream or the hydrocarbon-c...
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WO/2009/066327A1 |
The present invention relates to a process for the production of dichlorohydrin by catalyzed hydrochlorination of glycerine where the reaction is performed in at least two subsequent stages operating continuously at different pressures w...
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WO/2009/062933A1 |
The invention provides a process for the preparation of an alkylene glycol from an alkene. The gas composition from an alkylene oxide reactor is contacted with lean absorbent in an alkylene oxide absorber in the presence of one or more c...
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WO/2009/063487A2 |
A process for preparing epichlorohydrin comprising the following steps: reacting allyl chloride with an inorganic peroxide compound in the presence of at least one solvent at a temperature of about 35 to 75 degree C in a fixed bed column...
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WO/2009/061623A2 |
A process 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 hydrogen and...
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WO/2009/054876A1 |
Catalysts useful for the direct epoxidation of olefins are disclosed. The catalysts comprise a noble metal, lead, bismuth, and a titanium or vanadium zeolite. The noble metal, lead, and bismuth may be supported on the titanium or vanadiu...
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WO/2009/054202A1 |
A method of organic-compound reaction and a process for producing an organic compound. By the method and process, high reaction selectivity and a high yield of a target substance can be ensured according to purposes. At least two fluids ...
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WO/2009/054875A1 |
Catalyst mixtures useful for the direct epoxidation of olefins are disclosed. The catalyst mixture comprises a titanium or vanadium zeolite and a supported catalyst comprising a noble metal, bismuth, and a carrier. The invention includes...
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WO/2009/043796A1 |
Use of a composition comprising silicon, oxygen and calcium, as a material for coating an equipment or as a constituent material of equipment, intended to be in contact with a mixture containing a chlorohydrin, hydrogen chloride and water.
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WO/2009/041592A1 |
Disclosed is a method for epoxidizing olefins, which enables to obtain an epoxy compound containing no halogen atom with high yield. Specifically disclosed is an oxidizing agent composition for epoxidation of olefins, which is characteri...
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WO/2009/042300A1 |
A process for initiating a highly selective ethylene oxide catalyst is provided in which the highly selective ethylene oxide catalyst is operated first as a 'standard' Ag-based catalyst (e.g., a catalyst that contains only silver and alk...
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WO/2009/035809A1 |
A method for controlling ethylene oxidation uses ethylene and oxygen, in conjunction with a silver based catalyst, a moderator and a co-moderator, to form ethylene oxide. When controlling the ethylene oxidation reaction, the moderator co...
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WO/2009/029414A1 |
A carrier for a catalyst useful for the epoxidation of an olefin which comprises an inert, refractory solid carrier is provided. The carrier has no or little absolute volume from small pores, of less than 1 micrometer, and large pores, o...
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WO/2009/024503A1 |
The invention relates to an economic single-stage process for producing epoxides by oxidation of olefins in a homogeneous gas-phase reaction by reacting the olefin in a flow reactor with a gas mixture of ozone and NO2 and/or NO as oxidan...
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WO/2009/026261A2 |
The present invention provides novel bimetallic complexes and methods of using the same in the isoselective polymerization of epoxides. The invention also provides methods of kinetic resolution of epoxides. The invention further provides...
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WO/2009/021866A1 |
The invention relates to a process for preparing an arylalkyl compound, which comprises contacting a feed comprising a bis(arylalkyl)ether with hydrogen in the presence of a catalyst at elevated temperature.
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WO/2009/023064A2 |
A catalyst comprising a transition metal zeolite and a noble metal supported on a titania-containing carrier is disclosed. The supported noble metal has a mean mass diameter of from 2 to 200 ?m. The catalyst is used in an epoxidation pro...
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WO/2009/016149A2 |
Process for manufacturing glycidol comprising at least the following steps: a) glycerol and a chlorinating agent are reacted to form monochloropropanediol in a first reaction medium; and b) at least one part of the reaction medium from s...
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WO/2009/014852A2 |
A process for the epoxidation of a crude polyene, which process comprises the reaction of a mixture of unsaturated hydrocarbons which comprises one or more compounds selected from (especially polycyclic) polyenes and (co) oligomers there...
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WO/2009/011653A1 |
The present invention relates to new processes for the preparation of compounds of formula I, especially the compound 2-{2-Chloro-5-{[(2S)-3-(5-chloro-1'H,3H-spiro[1- benzofuran-2,4'-piperidin]-1'-yl)-2-hydroxypropyl]oxy}-4-5 [(methylami...
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WO/2009/008423A1 |
Disclosed is a novel apparatus wherein an olefin, hydrogen and oxygen are used for producing an epoxy compound corresponding to the olefin. Specifically disclosed is an apparatus having a reaction chamber wherein hydrogen, oxygen and an ...
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WO/2009/008493A2 |
A method is for producing propylene oxide, the method including the steps of: reacting hydrogen peroxide with propylene either in an acetonitrile solvent or in a mixture of solvents which include acetonitrile and water, in presence of a ...
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WO/2009/008422A1 |
Disclosed is a novel method wherein an olefin, hydrogen and oxygen are used for producing an epoxy compound corresponding to the olefin. In this method, a mixed gas containing oxygen and an olefin can be prepared safely and easily. Speci...
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WO/2009/005562A1 |
A catalyst comprising a transition metal zeolite and a supported noble metal is disclosed. The mean mass diameter of the catalyst is greater than 0.5 mm. The catalyst is formed from transition metal zeolite particles and the supported no...
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WO/2009/000839A1 |
2-Propylheptanoic acid glycidyl ester, 4-methyl-2-propylhexanoic acid glycidyl ester or a mixture thereof (referred to in summary as glycidyl esters for short).
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WO/2009/000773A1 |
Manufacture of dichloropropanol Process for manufacturing dichloropropa nol wherein a glycerol-based product comprising at least one diol containi ng at least 3 carbon atoms other than 1,2- propanediol, is reacted with a chlorinati ng ag...
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WO/2009/001948A1 |
A method is for producing propylene oxide, including reacting propylene, hydrogen, and oxygen, in an acetonitrile solvent or in a mixture of solvents which include acetonitrile and water, in presence of a titanosilicate catalyst and a pa...
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WO/2008/156205A1 |
There is disclosed a method for producing propylene oxide, which includes: reacting propylene, oxygen, and hydrogen in the presence of a noble metal catalyst and a titanosilicate catalyst in a liquid phase containing a polycyclic compoun...
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WO/2008/152043A1 |
Aqueous composition containing at least one salt in an amount of at least 30 g/kg of composition, of which the total organic carbon content is at least 1 μg of C/I and at most 5 g of C/I of composition and which contains at least one ca...
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WO/2008/147639A1 |
The apparatus includes an alkylation unit (2) connected to a first benzene recycle conduit (8), a feed conduit (6) and an alkylation effluent conduit (10); a transalkylation unit (4) connected to an polyalkylbenzene recycle conduit (42, ...
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WO/2008/147498A1 |
The present invention provides a slurry reaction system wherein liquid reaction mixture containing catalyst fines is separated from catalyst particles of a size suitable for use in the slurry reaction in a first separation step and in a ...
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WO/2008/146826A1 |
A process for efficiently and economically producing an optically active styrene oxide compound having a target configuration. The process for producing an optically active styrene oxide compound comprises subjecting a racemate of a styr...
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WO/2008/147635A1 |
A process involving contacting, in an alkylation zone (2), a first benzene recycle stream (8) and a propylene feed stream (6) to form cumene (10). In a transalkylation zone (4), a polyisopropylbenzene recycle stream (32) and a second ben...
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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 ...
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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...
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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 -...
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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...
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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-...
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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...
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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...
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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-...
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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 ...
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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...
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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 [...
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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,...
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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...
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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...
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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,...
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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...
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