Patents for C07D 301 - Preparation of oxiranes (10,136) |
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05/20/2004 | US20040096378 Upstream portion and/or downstream portion of the reactor tube contains a heat-exchanging rod-shaped insert having a length of 1-20% of the total length of the reactor tube. |
05/19/2004 | EP1420014A1 Method for producing propylene oxide |
05/19/2004 | EP1419146A1 Process for the epoxidation of olefins |
05/19/2004 | EP1419145A2 Process for the epoxidation of olefins |
05/19/2004 | EP1419128A1 Improved hydrolytic kinetic resolution of epoxides |
05/19/2004 | EP1028805B1 Process for producing spherical catalyst particles, catalyst particles and their use in a chemical synthesis |
05/19/2004 | DE10240129A1 Integriertes Verfahren zur Synthese von Propylenoxid An integrated process for the synthesis of propylene oxide |
05/19/2004 | CN1150177C Method for producing ethylene oxide by driectyly oxidizing ethylene with air oxygne |
05/19/2004 | CN1150144C CO2 removal from fluorocarbons by semipermeable membrane |
05/18/2004 | US6736941 Distillation in presenc eof hydrocarbon |
05/13/2004 | WO2004039790A1 Olefin oxide catalysts |
05/13/2004 | WO2004039497A2 Silver-based olefin oxide catalysts |
05/13/2004 | WO2004039496A1 A process for preparing an olefin oxide, a method of using the olefin oxide and a catalyst composition |
05/13/2004 | US20040092757 Crystalline MWW-type titanosilicate catalyst for producing oxidized compound, production process for the catalyst, and process for producing oxidized compound by using the catalyst |
05/13/2004 | DE10251325A1 Katalysator und Verfahren zur Oxidation von Kohlenwasserstoffen zu Epoxiden Catalyst and process for the oxidation of hydrocarbons to epoxides |
05/13/2004 | CA2503954A1 A process for preparing an olefin oxide, a method of using the olefin oxide and a catalyst composition |
05/12/2004 | EP1417193A1 Efficient process for the production of 10-dab iii by selective hydrazinolysis of various taxanes |
05/12/2004 | EP1417192A1 Method for the production of propylene oxide |
05/12/2004 | EP0859806B1 High softening point, low molecular weight epoxy resin |
05/12/2004 | CN1496357A Preparation of oxirane compound |
05/12/2004 | CN1496344A Method for recovering cumene |
05/12/2004 | CN1149129C Method for regenerating a zeolitic catalyst |
05/11/2004 | US6734315 Oxidation with hydrogen peroxide, acetaldehyde monoperacetate, or organic hydroperoxide; cyclization, etherification |
05/11/2004 | US6734133 Surface-modified mixed oxides containing precious metal and titanium, for the selective oxidation of hydrocarbons |
05/11/2004 | CA2206495C Silver catalyst preparation |
05/06/2004 | WO2004037803A1 Method for the continuous production of epoxids from olefins and hydroperoxides on a suspended catalyst |
05/06/2004 | WO2004037802A1 Returning an olefin which is not reacted during the oxidation of olefins |
05/06/2004 | WO2004037390A1 Method for continuously returning an olefin which is not reacted with hydroperoxides during oxidation by olefins by means solvent washing |
05/06/2004 | US20040087821 Subjecting 2,3-dimethyl-2,3-diphenylbutane, produced as a byproduct by the dimerization of cumene in preparing cumene hydroperoxide, to hydrogenolysis in the presence of a catalyst thereby to convert it into cumene |
05/06/2004 | US20040087802 Process for preparing glycidylphthalimide |
05/06/2004 | EP1414811A1 Method for producing and isolating alkene oxides from alkenes |
05/06/2004 | EP1115713B1 Method for producing ethylene oxide by directly oxidizing ethylene with air or oxygen |
05/06/2004 | EP1112260B1 Process for the production of low color 2,3-epoxypropyl trialkylammonium halide |
05/06/2004 | EP1080084B1 Process for epoxidation of aryl allyl ethers |
05/06/2004 | EP0767771B2 Chlorohydrin process |
05/06/2004 | DE10249379A1 Verfahren zur kontinuierlichen Rückführung des bei der Oxidation von Olefinen mit Hydroperoxiden nicht umgesetzten Olefins mittels Lösungsmittelwäsche Process for the continuous recirculation of the unreacted in the oxidation of olefins with hydroperoxides using the olefin solvent washing |
05/06/2004 | DE10249378A1 Verfahren zur kontinuierlichen Rückführung des bei der Oxidation von Olefinen mit Hydroperoxiden nicht umgesetzten Olefins mittels Verdichtung und Druckdestillation Process for the continuous recirculation of the unreacted in the oxidation of olefins with hydroperoxides using olefin compaction and pressure distillation |
05/06/2004 | DE10249377A1 Verfahren zu kontinuierlichen Herstellung von Epoxiden aus Olefinen und Hydroperoxiden an einem suspendierten Katalysator A method for the continuous production of epoxides from olefins and hydroperoxides over a suspended catalyst |
05/06/2004 | CA2503449A1 Process for the continuous recirculation of the olefin which has not been reacted in the oxidation of olefins by hydroperoxides, by means of compression and pressure distillation |
05/06/2004 | CA2503218A1 Method for continuously returning an olefin which is not reacted with hydroperoxides during oxidation by olefins by means solvent washing |
05/06/2004 | CA2502463A1 Process for the continuous preparation of epoxides from olefins and hydroperoxides over a suspended catalyst |
05/05/2004 | CN1494538A Method for producing epoxide |
05/05/2004 | CN1494537A Process for epoxidation of olefins |
05/05/2004 | CN1494536A Process for epoxidation of olefins |
05/05/2004 | CN1494535A Process for epoxidation of olefins |
05/05/2004 | CN1494534A MEthod for producing epoxide |
04/29/2004 | WO2004035559A1 Epoxidation system with fixed bed reactors |
04/29/2004 | WO2004035558A1 Process for preparation of alicyclic diepoxy compounds, curable epoxy resin compositions, epoxy resin compositions for the encapsulation of electronic components, stabilizers for electrical insulating oils, and casting epoxy resin compositions for electrical insulation |
04/29/2004 | WO2004035557A1 Catalyst for oxidation of hydrocarbons to form epoxides |
04/29/2004 | US20040082800 Method for regenerating solid catalyst |
04/29/2004 | US20040082799 Reacting an electrophilic compound with organolithium compound |
04/29/2004 | US20040082753 Purification of propylene oxide |
04/29/2004 | CA2502509A1 Epoxidation system with fixed bed reactors |
04/28/2004 | EP1412339A1 Method for producing propylene oxide |
04/28/2004 | CN1492932A Stereoselective reduction of substituted oxo-butanes |
04/28/2004 | CN1492780A Method for preparing titanium-containing silicon oxide catalyst |
04/28/2004 | CN1147484C Process for the preparation of glycidylesters of branched carboxylic acids |
04/27/2004 | US6727389 Cyclic organo-oxide storage vent scrubbing |
04/22/2004 | US20040077889 Acid catalysts, cation exchangers |
04/22/2004 | US20040077886 Mixing and stirring silica and titanium sources and a template of a quaternary ammonium ion; specific average pore diameter, distribution and pore volume per unit |
04/22/2004 | DE10247784A1 Catalyst containing elemental or bound gold and molybdenum-VI, used for the epoxidation of olefins, especially of propene in presence of oxygen and hydrogen |
04/22/2004 | DE10247496A1 Verwendung eines Absatzbeschleunigers bei der Epoxidierung Use of a paragraph accelerator in the epoxidation |
04/22/2004 | DE10247495A1 Verfahren zur Epoxidierung cyclischer Alkene Process for the epoxidation of cyclic alkenes |
04/21/2004 | EP1411051A1 Use of compounds for accelerated phase separation in heterogenic epoxydation reactions of cycloalkenes |
04/21/2004 | EP1411050A1 Process for the epoxydation of cycloalkenes |
04/21/2004 | EP1409471A1 Recovery and purification of 3,4-epoxy-1-butene using water-miscible solvents |
04/21/2004 | EP1409470A1 Recovery and purification of 3,4-epoxy-1-butene using high-boiling solvents |
04/21/2004 | EP1409469A1 Recovery and purification of 3,4-epoxy-1-butene |
04/21/2004 | CN1491342A Exothermic reaction system |
04/20/2004 | US6723861 Catalytic epoxidation reaction is carried out in at least two reactors, distillation, by-products inhibition, catalyst selectivity |
04/20/2004 | US6723404 Iron present at the surface of a clean carbon steel vessel actually provides a natural immunity to polymer production by providing a fresh electron source with a reduction potential effective to convert ferric ions to ferrous ions |
04/20/2004 | CA2140863C Catalysts and their use in oxidation of saturated hydrocarbons |
04/15/2004 | WO2004031107A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
04/15/2004 | WO2004031106A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
04/15/2004 | WO2004030813A1 Calcium carbonate carrier for making silver based epoxidation catalysts |
04/15/2004 | US20040073051 Using an oxidize, catalyst and phase transfer agent |
04/15/2004 | DE10246119A1 Heterogeneously catalyzed gas-phase partial oxidation of acrolein to acrylic acid, used to produce polymers for adhesives, involves using active multimetal oxide material containing e.g. molybdenum and vanadium |
04/15/2004 | CA2500238A1 Calcium carbonate carrier for making silver based epoxidation catalysts |
04/14/2004 | EP1406885A1 Process for manufacturing an a-dihydroxy derivative and epoxy resins prepared therefrom |
04/14/2004 | EP0980346B1 Co 2? removal from fluorocarbons by semipermeable membrane |
04/14/2004 | CN1488631A Cyclic-aliphatic epoxy compound containing pheneylethylene cinnamyl or maleimide functional group |
04/14/2004 | CN1145580C Partial oxidation of hydrocarbon |
04/14/2004 | CN1145526C Process for preparing catalysts with improved catalytic properties |
04/13/2004 | US6720439 Synthesis of ruthenium-hydride complexes and preparation procedures of chiral alcohols and ketones |
04/13/2004 | US6720436 Process for the epoxidation of olefins |
04/13/2004 | US6720435 Catalyst easily separable from the reaction; discharge the heat of reaction; epoxidation catalysis in fluidized bed without substantial loss of catalytic activity; olefin reacted with a peroxide |
04/13/2004 | US6720434 Process for preparing chiral compounds from recemic epoxides by using chiral salen catalysts |
04/08/2004 | WO2004029032A1 Process for the epoxidation of olefins |
04/08/2004 | WO2004028962A1 Novel aqueous hydrogen peroxide solutions |
04/08/2004 | WO2003084908A3 Preventing undesired odor in and/or purifying alkanediols |
04/08/2004 | US20040068128 And at least one solvent is worked up in such a way that the alpha -hydroperoxyalcohols formed as by-product of the epoxidation remain largely undecomposed or are converted into the corresponding glycols |
04/08/2004 | US20040068127 Method for making an oxirane |
04/08/2004 | US20040067846 Forming using quaternary ammonium template in liquid phase; drying while controlling temperature; solvent extraction |
04/08/2004 | DE10245585A1 Preparation of partial oxidation or ammoxidation product of propylene, e.g. acrolein, involves subjecting dehydrogenated crude propane in the presence of unconverted propane to heterogeneously catalyzed gas phase partial reaction |
04/08/2004 | CA2500396A1 Novel aqueous hydrogen peroxide solutions |
04/07/2004 | EP1404636A1 Integrated process for synthesizing alcohols and ethers from alkanes |
04/07/2004 | EP1292602B1 New chiral salen catalyst and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst |
04/07/2004 | EP1102733B1 Method for reacting an organic compound with a hydroperoxide |
04/07/2004 | EP0741731B1 Process for epoxidising prochiral olefins |
04/07/2004 | CN1144774C Process for preparing 2,3-dihalopropanols |